What value of n makes the equation true

The number N of beavers in a given area after x years can be approximated by N=5.5100.23x,0x10. Use the model to approximate how many years it will take for the beaver population to reach 78. The population P (in millions) of Texas from 2001 through 2014 can be approximated by the model P=20.913e0.0184t, where t represents the year, with t=1 ...

Question. Transcribed Image Text: What value of x makes the equation -5x- (-7-4x)= -2 (3x- 4) true? Transcribed Image Text: The total cost in dollars to buy uniforms for the players on a softball team can be found using the function c-35u+10, where u is the number of uniforms bought. If there are at least 10 players but not more than 15 players ...Nov 10, 2016 · What is an equation? In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =. The given equation is 0.7n+0.8n=2.1. The solution of an equation is the set of all values that, when substituted for unknowns, make an equation true. 0.15n=2.1. n=2.1/0.15. n=14. Therefore, the ... Page: 1 Compare the area of Jammu and Kashmir and Gujarat by using statistical Calculation . Show how √5 can be represented on the number line. find the value of (3/7)6 + (3/7)9 . One evening, kaushik was in a park. children were playing . birds were singing on a nearby tree of height 80m. he observed a bird on the tree at an.Click here 👆 to get an answer to your question ️ What value of c makes the equation true? −3−3/4(c−4)=5/4 Drag and drop the correct number in the box. c = Re…Which statements are true regarding undefinable terms in geometry? Select two options. A point's location on the coordinate plane is indicated by an ordered pair, (x, y). A point has one dimension, length. A line has length and width. A distance along a line must have no beginning or end. A plane consists of an infinite set of points.den (t)/(d)ashboar (d)/(h)ome What value of n makes the equation true? -2n+1.8=3.2 This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts.The value of x is 1.71 in the given equation 10(1.5)³ˣ = 80. What is Equation? Two or more expressions with an Equal sign is called as Equation. The given equation is 10(1.5)³ˣ = 80. We have to find the value of x from the given equation. Divide both sides by 10. 1.5³ˣ = 80/10. 1.5³ˣ = 8. Take log on both sides. log (1.5)³ˣ = log 8 ...Example Question #1 : Understand What Makes An Equation Or Inequality True And Why: Ccss.Math.Content.6.Ee.B.5 Which value for would make the equation below true? Possible Answers:

1) the coefficient of "n" must match on both sides of the equation. 2) the constant on each side must be different. Start by simplifying your equation -- distribute the 4: 320 + 4n = 3kn. The constants on each side are different: 320 on left, and 0 on right. So, one condition is met.Step-by-step explanation: If you have a product of numbers with the same base, by definition you can add the exponents. So you have: yⁿ2x⁹yⁿ4x²y¹⁰=8x¹¹y²⁰. Using the rule of product for x you have: 8x¹¹yⁿy¹⁰=8x¹¹y²⁰. Simplifly 8x¹¹ in both sides of the equation. yⁿy¹⁰=y²⁰.What value of n makes the equation true? -2n + 1.8 =3.2. star. 5/5. heart. 8. verified. Verified answer. Jonathan and his sister Jennifer have a combined age of 48. If Jonathan is twice as old as his sister, how old is Jennifer. star. 4.6/5. heart. 4. verified. Verified answer.May 11, 2022 · The value of x is 1.71 in the given equation 10(1.5)³ˣ = 80. What is Equation? Two or more expressions with an Equal sign is called as Equation. The given equation is 10(1.5)³ˣ = 80. We have to find the value of x from the given equation. Divide both sides by 10. 1.5³ˣ = 80/10. 1.5³ˣ = 8. Take log on both sides. log (1.5)³ˣ = log 8 ... Mar 27, 2017 · To do it, we just move all the terms to one side of the equation. We start with: x^2 - 6 = 16x + 30. Now we can move all the terms to the left to get: x^2 - 6 - 16x - 30 = 0. x^2 - 16x - 36 = 0. This is the standard form. Now we solve the equation, we will use Bhaskara's formula, the solutions are: Then the two solutions are: x = (16 + 20)/2 = 18 Oct 11, 2016 · The value of 'n' that makes the equation 0.7n + 0.8n = 2.1 true is 1.4. This is found by combining like terms, then dividing by the coefficient of 'n' on both sides of the equation. Explanation: To find the value of n that makes the equation 0.7n+0.8n=2.1 true, you first need to combine like terms on the left side of the equation. So, 0.7n and ... Solving equations using algebra is really no different. Instead of using a box, we use a letter to represent a number. Our task is to find the correct number (or sometimes there may be more than one number) that makes the equation true. Sometimes we can "see" the right answer if it is simple (maybe we can just count up with our fingers, or ...What value of n makes the equation 4(0.5n-3)=n-.25(12-8n) true? 3-9. 0-15. Multiple Choice. Edit. Please save your changes before editing any questions. 2 minutes. 1 pt. Which expression is equivalent to ... = 1/3(4-x) 2, what is the value of f(16)? 144. 72. 24. 48. Multiple Choice. Edit. Please save your changes before editing any questions ...

Step-by-step explanation: We will solve the right side of the equation to find the value of k which makes this equation true. Multiplying the terms on the left side of the equation to get: =. Now we can write it as. Now the power of a on the left side (2 + k) should equal the power of a on the right side (6) of the equation to make it true.We lead more meaningful lives when we think through our needs, values and purpose in this world and let those We lead more meaningful lives when we think through our needs, values and purpose in this world and let those things guide our act...What value of x makes this equation true? F 3 G-9 H -1 J 27 X/3−3 = x/9+ 3. what is the value of x makes the equation 3/ 4 (x+8) =9 true. 3. What value of x makes the equation true? 3/4 (x + 8) = 9. ANSWER THE PHOTO PLEASE. name the property that is used in 5 times n times 2=0 then find the value of n. If 2a · 5b · 11c represents the prime ...Here, you will need to solve for the value of x that makes the equation true or equal. 4x - 5 = 2x + 2 (Subtract 2x and add 5 to both sides of the equation.) 4x - 2x = 5 + 2. 2x = 7 (Divide both sides by 2) x = 7/2 This value of x is what makes the equation true. 3. The set of values that makes an equation true is a solution set.t= 22 makes the equation true. Step-by-step explanation: First we remove the parenthesis. We apply FOIL method to multiply it. Now we compare the exponents on both sides. Both sides we have 22x^3 and tx^3. So we set it equal. Hence, t = 22. t= 22 makes the equation trueWhether or not an equation is true depends on the value of the variable. The equation is true when we replace the variable, x, with the value but not true when we replace x with any other value. An equation like this is called a conditional equation. All the equations we have solved so far are conditional equations.

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Middle School Math Solutions – Polynomials Calculator, Factoring Quadratics. Just like numbers have factors (2×3=6), expressions have factors ( (x+2) (x+3)=x^2+5x+6). Factoring is the process... Read More. Save to Notebook! Sign in. Send us Feedback. Free Complete the Square calculator - complete the square for quadratic functions step-by-step.Find the value of the unknown or variable that makes the equation true. Isolate. Perform systematic operations to both sides of the equation so that the unknown or variable is alone on one side of the equation and its value is given on the other side of the equation. Ratio. The comparison of two numbers through division.What value of n makes the equation 4(0.5n-3)=n-.25(12-8n) true? This problem has been solved! ... What value of n makes the equation 4(0.5n-3)=n-.25(12-8n) true? Expert Answer. Who are the experts? Experts are tested by Chegg as specialists in their subject area. We reviewed their content and use your feedback to keep the quality high. Step 1.If you are having issues with decimals, you can rid the decimal by multiplying it by the closest 10th,100th,1000th,etc. place. In this case, just multiply it all by 10. It will become 7n+8n=21. Add the same variables and you should get 15n=21. Divide 15 to both side and n=21/15 and simplify it. N would = 7/5 or 1.4.

The solution is a value for the variable that makes the equation true. We then say that the value, 4, in our example, satisfies the equation. We can easily verify that 4 is a solution by substituting this value in the original equation. This step is called checking the solution.Solution for What value of a makes the equation 2(+7) = 8(²-5) true? Provide your answer below: X= Skip to main content . close. Start your trial now! First week only $4.99! ... Subsituting x=3 in the equation 4x2=10 makes the equation true, so the number 3 is a _____ of the equation. arrow_forward. Solve the equation 2x+3y=6 for y (a) when x ...An equation is shown below. 2/3(9x - 6) = 4x + 10 What is the value of x that makes the equation true? x = -1. An equation is shown below. 3x - 10x + 5 = 5x + 17 What is the value of x that makes the equation true? No solutions. Which statement about the quadratic equation below is true? 4/5x^2 + 72 = 0.What value of n makes the equation 4(0.5n-3)=n-.25(12-8n) true? This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts.I think it would be 12 but idk what the equation is. The answer "The convection of heat within the mantle" is incorrect. The correct answer is "Rotation of liquid iron in the outer core" For example this text from the lesson of the course I am taking right now states that "The earth's core has two regions, the inner core and outer core.What value of n makes the equation statement true? 12=n — 0.25(12+8n) Give step by step work to prove your an Get the answers you need, now! ... What is the present value of a cash inflow of 1250 four years from now if the required rate of return is 8% (Rounded to 2 decimal places)? star. 4/5. heart. 7.What value of n makes the equation true -2n + 1.8 = 3.2 Options: -0.7, -3.4, 0.7, -2.5. star. 5/5. heart. 3. what value of n makes the equation true in -2n + 1.8=3.2. heart. 2. what makes the value n of the equation true -2n+1.8=3.2 A.-3.4 B.-0.7 C. 0.7 D.-2.5. star. 4.5/5. heart. 17. verified. Verified answer.What is the value of x that makes the equation true? The following polynomial can be factored using the techniques of this lesson. x² + 16 O A. True CB. False SUBMITTo use substitution, simply plug the given value of the variable into the equation and see if it makes the equation true. For example, let's check to see if x = 3 is a solution to the equation 2x + 5 = 11. Plugging in x = 3, we get, 2(3) + 5 = 11 6 + 5 = 11 11 = 11. Since the equation is true when x=3, we can conclude that x = 3 is a proper ...Step 1. Provided that, the equation is 5 e 6 x = 31. View the full answer. Step 2.

What value of n makes the equation true? (2x 9 y n)(4x 2 y 10) = 8x 11 y 20? (a) 1 (b) 2 (c) 10 (d) 30. Solution: An exponent of a number shows how many times we are multiplying a number by itself.. Let's use the concept of multiplying exponents to find the value of n. (2x 9 y n)(4x 2 y 10) = 8x 11 y 20. Multiplying exponents with same base: a m × a n = a {m + n}. Apply the Rule of ...

The value of n which makes the exponential value equation true is n = 10. What are the laws of exponents? When you raise a quotient to a power you raise both the numerator and the denominator to the power. When you raise a number to a zero power you'll always get 1. Negative exponents are the reciprocals of the positive exponents.Since the statement "4 = 5" is utterly false, and since there is no value of x that ever could make it true, then this equation has no solution. Advisory: This answer is entirely unlike the answer to the first exercise at the top of this page, where there was a value of x that would work (that solution value being zero).Which statements are true regarding undefinable terms in geometry? Select two options. A point's location on the coordinate plane is indicated by an ordered pair, (x, y). A point has one dimension, length. A line has length and width. A distance along a line must have no beginning or end. A plane consists of an infinite set of points.2 What value of n makes the following equation true? 48 (42)- 3 +... Image transcription text. 2 What value of n makes the following equation true? 48 (42)- 3 + 44 = 40 Show your work. Answer: n =... Math. Comments (0) Answer & Explanation. Solved by verified expert. Rated HelpfulWhich statements are true regarding undefinable terms in geometry? Select two options. A point's location on the coordinate plane is indicated by an ordered pair, (x, y). A point has one dimension, length. A line has length and width. A distance along a line must have no beginning or end. A plane consists of an infinite set of points.The value of x is 1.71 in the given equation 10(1.5)³ˣ = 80. What is Equation? Two or more expressions with an Equal sign is called as Equation. The given equation is 10(1.5)³ˣ = 80. We have to find the value of x from the given equation. Divide both sides by 10. 1.5³ˣ = 80/10. 1.5³ˣ = 8. Take log on both sides. log (1.5)³ˣ = log 8 ...What value of n makes the equation true? -1/5n+7=2 n= heart. 1. verified. Verified answer. Jonathan and his sister Jennifer have a combined age of 48. If Jonathan is twice as old as his sister, how old is Jennifer. star. 4.7/5. heart. 5. verified. Verified answer.What is the value for a variable that makes an equation? It's the value that when substituted in for the variable, makes the equation true. Ex: x + 1 = 3 The value 2, when substituted for the variable x, makes the equation true.

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Jun 29, 2020 · Answer: D. Step-by-step explanation: When we divide the entire equation by -1/2 to get rid of the coefficient of n we get n = 16. Statements is true who actually pays a tax depends on the price elasticities of supply and demand. A company purchased $6,000 worth of merchandise. transportation costs were an additional $400. the company later returned $280 worth of merchandise. I NEED TO KNNWO HOW TO FIND THE SLOPE PLEASE HELP ME ON BOTH OF THESE.Any number that makes an equation true when substituted for the variable is said to____the equation. Such numbers are called _____. ... To ____ an equation means to find all values of the variable that make the equation true. Solve. To solve an equation, we ___ the variable on one side of the equation. Isolate.Step 1: Enter the Equation you want to solve into the editor. The equation calculator allows you to take a simple or complex equation and solve by best method possible. Step 2: Click the blue arrow to submit and see the result! The solve for x calculator allows you to enter your problem and solve the equation to see the result.What value of n makes the equation true? n - 29.4 = 13.9 A. 15.5 B. 16.5 C. 42.3 D. 43.3. WINDOWPANE is the live-streaming app for sharing your life as it happens, without filters, editing, or anything fake.Study with Quizlet and memorize flashcards containing terms like The area of a square piece of land in square units can be represented by the expression 9q4r8s6. What is the length of one side of the piece of land?, Which expression is equivalent to 400i8j4k6, Which number is a perfect square? and more.This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. See Answer. Question: What value of x makes the equation 7e3x = 32 true? Round your answer to the nearest tenth. Provide your answer below: .What value of p would make the equation true: 29 = p + 27. III. In which quadrant would you find the point (-5, -6)?-25. Evaluate the expression x - y for x = -19 and y = 6-3. What value of d would make the equation true: -15d = 45. 1/4, 0.21, 0.2. Numbers listed greatest to least:What value of n makes the equation true? ... Multiple-choice. 30 seconds. 1 pt. The product of two numbers is 21. If the first number is -3, which equation represents this situation and what is the second number? A. The equation that represents this situation is x − 3 = 21. The second number is 24. B. ….

Correct answers: 1 question: What value of n makes the equation true? a. 1 b. 2 c. 10 d. 30Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor. What value of x makes the equation true? 3. 8. 6. 4. Multiple Choice. Edit. Please save your changes before editing any questions. 2 minutes. 1 pt. Jeff bought a bottle of water for $2. He also bought some hot dogs for $3 each. Jeff did not spend more than $14 on the hot dogs and the bottle of water.A contradiction equation is never true, no matter what the value of the variable is. In this case, the answer appears as the empty set, “{ },” or “phi” from the Greek alphabet, according to Seminole State College.The value is still a solution of the new equation, but since , the value is also a solution of the new equation. However, it clearly contradicts (is not a solution of) the original equation. This gives rise to an auxiliary principle of equation solving: After solving an equation check your solutions by substituting them in the original equation. Math. Algebra. Algebra questions and answers. The model represents an equation. What value of x makes the equation true? Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place value.Which statements are true regarding undefinable terms in geometry? Select two options. A point's location on the coordinate plane is indicated by an ordered pair, (x, y). A point has one dimension, length. A line has length and width. A distance along a line must have no beginning or end. A plane consists of an infinite set of points.What value of n makes the equation true? ... If the first number is -3, which equation represents this situation and what is the second number? A. What value of n makes the equation true, The value of the variable for which the equation is true (4 in this example) is called the solution of the equation. ... Example 1 Determine if the value 3 is a solution of the equation. 4x - 2 = 3x + 1. Solution We substitute the value 3 for x in the equation and see if the left-hand member equals the right-hand member. 4(3) - 2 = 3(3) + 1., Find the value(s) of c which makes the equation true, or explain why it does not exist. 11=∑n=2∞(1+c)−n This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts., Well, it's 30 minus three, needs to be equal to four times six is 24, and then plus three. Well, this is true, 30 minus three is 27, which is indeed equal to 24 plus 3, it's equal to 27. So x equals 6 does satisfy our equation, it is a solution, and actually as we'll see in the future, the solution to this equation right over here., 62x + 5 + x = 4. 6 + x2 + 5x = 4. A. When the product of 6 and the square of a number is increased by 5 times the number, the result is 4. Select all of the values that the number could be. 2. A / B. The length of a rectangle is 1 less than twice the width. The area of the rectangle is 28 square feet., Whether or not an equation is true depends on the value of the variable. The equation is true when we replace the variable, x, with the value but not true when we replace x with any other value. An equation like this is called a conditional equation. All the equations we have solved so far are conditional equations., a. What are the domain and range of mc010-1.jpg? b. Which set of ordered pairs could be generated by an exponential function? not d. What are the domain and range of the function f (x) = 3x + 5? b. Which statement best describes the domain and range of f (x) = - (7)x and g (x) = 7x? b., Find step-by-step Algebra solutions and your answer to the following textbook question: Which values of a and b make the following equation true? (5x^7y^2) (-4x^4y^5) = -20x^ay^b A. a = 11, ... The value of a a a is 11 11 11 and the value of b b b is 7 7 7. Result. 4 of 4. A. a = 11 a = 11 a = 11, b = 7 b = 7 b = 7. Create an account to view ..., How to solve your inequality. To solve your inequality using the Inequality Calculator, type in your inequality like x+7>9. The inequality solver will then show you the steps to help you learn how to solve it on your own., Answer: Adenosine triphosphate, also known as ATP, is a molecule that carries energy within cells. It is the main energy currency of the cell, and it is an end product of the processes of photophosphorylation (adding a phosphate group to a molecule using energy from light), cellular respiration, and fermentation., You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: The model represents an equation. What value of x makes the equation true? Record your answer and fill in the bubbles on your answer document. Be sure to us Enter your answer by clicking the bubbles. The model represents an equation., Which statements are true regarding undefinable terms in geometry? Select two options. A point's location on the coordinate plane is indicated by an ordered pair, (x, y). A point has one dimension, length. A line has length and width. A distance along a line must have no beginning or end. A plane consists of an infinite set of points., a. What are the domain and range of mc010-1.jpg? b. Which set of ordered pairs could be generated by an exponential function? not d. What are the domain and range of the function f (x) = 3x + 5? b. Which statement best describes the domain and range of f (x) = - (7)x and g (x) = 7x? b., Page: 1 Compare the area of Jammu and Kashmir and Gujarat by using statistical Calculation . Show how √5 can be represented on the number line. find the value of (3/7)6 + (3/7)9 . One evening, kaushik was in a park. children were playing . birds were singing on a nearby tree of height 80m. he observed a bird on the tree at an., Find an answer to your question What value of n makes the equation 4(0.5n - 3) = n - 0.25(12 - 8n) true. ramakantparasha113 ramakantparasha113 26.10.2020 Math Secondary School ... Find the absolute value of -1/5 Is the simplest form of 685 by 1096 Find the HCF : 390 and 663. Solve the following Linear Programming Problem …, In fact, any value of x that results in x+3 being equal to 6 will make the equation true. Some values of x that make the equation true are listed below. x=3 x+3=6. x=0 x+3=6. x=-3 x+3=6. x=6 x+3=6. There are infinitely many other values of x that make the equation true. These are just a few examples., An equation is modeled below. What value of x makes the equation true? What value of x makes the equation true? (-11)^x . (-11)^4 = (-11)^10/(-11)^3; Determine the value or values that must be excluded as a possible solution. \frac{4}{x} + \frac{2}{5} = 2; Six subtracted from three times a number is 105. Find the number Explain; 1. Consider the ..., A fish is swimming at a constant rate toward the ocean floor- The equation y = -7x - 3 can be used to represent this situation, where y is the depth of the fish in meters below sea level and x is the number of seconds the fish has been swimming. Which statement best describes the depth of the fish, given this equation?, Which statements are true regarding undefinable terms in geometry? Select two options. A point's location on the coordinate plane is indicated by an ordered pair, (x, y). A point has one dimension, length. A line has length and width. A distance along a line must have no beginning or end. A plane consists of an infinite set of points., All steps. Final answer. Step 1/1. To determine the value of n when the equation : − 6 ( 2 − 1.1 n) − 1.3 n = 2 ( 3.6 n + 3.5) is true., What value of n makes the equation true -2n + 1.8 = 3.2 Options: -0.7, -3.4, 0.7, -2.5. star. 5 /5. heart. 3. what value of n makes the equation true in -2n + 1.8=3.2. heart. 2. what makes the value n of the equation true -2n+1.8=3.2 A.-3.4 B.-0.7 C. 0.7 D.-2.5., − 2 = 4 That equations says: what is on the left (x − 2) equals what is on the right (4) So an equation is like a statement " this equals that " What is a Solution? A Solution is a value we can put in place of a variable (such as x) that makes the equation true. Example: x − 2 = 4 When we put 6 in place of x we get: 6 − 2 = 4 which is true, In fact, solving an equation is just like solving a puzzle. And like puzzles, there are things we can (and cannot) do. Here are some things we can do: Add or Subtract the same value from both sides. Clear out any fractions by Multiplying every term by the bottom parts. Divide every term by the same nonzero value. , When it comes to buying or selling a used car, it’s important to know the true market value of the vehicle. The National Automobile Dealers Association (NADA) provides the most accurate and up-to-date used car values available., We must find the value of "m" that makes the equation true. Subtracting from both sides of the equation we have: Adding 6 to both sides: Different signs are subtracted and the major sign is placed. Thus, we have: Equal signs are added and the same sign is placed. Thus, the value of "m" that makes the equation true is:, In the world of budgeting, it isn’t common to factor how much a car sells for into the equation. However, doing so isn’t a bad idea for several reasons. Most people don’t drive their vehicles until they no longer run whatsoever., What is the first step in solving the equation t mines 17 equals 48? t - 17 = 48 The first step is to move the -17 to the right side of the equation and end up with: t = 48 + 17. (When you switch sides, the sign changes) To solve the equation: t = 65. If you mean: t+48 = 75 then the value of t is 27 because 27+48 = 75., What value of 'c' makes the equation true? 3/6=4/c* Brainliest to whom answers fast and accurately (please hurry!!) loading. See answers. Ask AI. loading. report flag outlined. loading. ... What is the present value of a cash inflow of 1250 four years from now if the required rate of return is 8% (Rounded to 2 decimal places)? star. 4/5. heart. 7., These are the majority of algebraic equations. Consider x - 1 = 9. This equation has one solution (that makes the equation TRUE) when x = 10, because 10 - 1 = 9 is true. For all other values of x, the equation is FALSE.Such equations can be referred to as conditional equations because they are TRUE only under certain conditions. For all other values, these equations will be FALSE., Free True False Equations Calculator - Determines if a set of addition and subtraction of numbers on each side of an equation are equivalent. ... size, degree, or value = equation a statement declaring two mathematical expressions are equal false A statement that cannot be proven formally from the axioms true A statement that can be proven ..., To find the value of n that makes the equation (2x³y) (4x²y⁵³) = 8x¹¹.²⁰ true, we compare the exponents of x on both sides. The exponent of x on the left side is (3 + 2n), and the exponent of x on the right side is 11.20. Therefore, solving the equation 3 + 2n = 11.20 will give us the value of n that satisfies the equation., View full question and answer details: https://www.wyzant.com/resources/answers/640445/which-value-of-x-makes-7-5-x-3-22-a-true-statement?utm_source=youtube&..., What value of n makes the equation 4(0.5n-3) = n - 0.25(12 - 8n) true? F 3 G-9 H 0 J-15. What value of n makes the equation 3(0.5n + 6) = 2n - 0.8(12 - 8n) true? verified. Verified answer. What value of n makes the equation 4(0.5n − 3) = n − 0.25(12 − 8n) true? 3 -9 0 -1. star. 5/5. heart. 2. 4(0.5n-3=n-.25(12-8n) star. 5/5. heart. 1 ..., Jan 31, 2022 · heart. 13. true or false As a general rule, the normal distribution is used to approximate the sampling distribution of the sample proportion only if the sample. Scores on a certain intelligence test for children between ages 13 and 15 years are approximately normally distributed with μ=96 and σ=21 . (a)