MATHEMATICS HIGH SCHOOL

What is the solution of the equation 3x − 7 = 4x?
-7
-1
1
7

Answers

Answer 1
Answer: The solution of this equation is -7.
3x - 7 = 4x
3x - 7 - 4x = 0
3x - 4x - 7 = 0
-x - 7 = 0
-x = 7
x = -7
Answer 2
Answer: 3x-7=4x
3x-4x=7
-x=7   |*(-1)
 x=-7
Answer: -7

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what is the least common denominator of the rational expressions below? 1/x^2-4/3x^2+15

Answers

Answer:

3x^2(x+5)

Step-by-step explanation:

What is the value of the slope of the graph of distance versus time, and what does the slope represent?

Answers

To find the slope of the graph you pick any piece of the line, and divide the vertical difference between its ends by the horizontal difference between its ends. If the graph is distance versus time then the slope represents the speed.

Which of the following are prime factorizations of the number 100? Check all that apply.A. 2, 5, 10
B. 5, 10, 2
C. 5, 2, 5, 2
D. 5, 2, 2, 5

Answers

Answer:

Use the factor tree to find the prime factorization of 100.

A factor tree of 100. 100 branches to 10 and 10. Both tens branch to 2 and 5.

What is the prime factorization of 100?

2 × 5

2 × 2 × 5 × 5

2 × 5 × 10

10 × 10

Step-by-step explanation:

smh.. people really keep getting it wrong and its B i took the test
Its C and D? I provided a picture showing how I did it. You just create a factor tree and circle all the prime numbers. Than you got your answer.

What is the solution set of the following equation 4/5x^2=2x-4/5

Answers

well you can put 4/5 in a decimal form by dividing it
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Prism A is similar to prism B. Find the volume of prism B if the volume of prism A is 4320 cm3

Answers

k=(a_A)/(a_B)\nk=(12)/(6)\nk=2\nk^3=(V_A)/(V_B)\nV_B=(V_A)/(k^3)\nV_B=(4320)/(2^3)\nV_B=(4320)/(8)\nV_B=540 \text{ cm}^3

Answer:

540

Step-by-step explanation:

I am confirming that the answer is 540. :)

Find the greatest common factor (GCF) for 27p3 and 9p.

Answers

9p

working;
9p divides both terms without leaving a fraction
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