Which expression is equivalent to 6a + 15? A. 6(a + 5) B. 3(2a + 5) C. 3(3a + 12) D. 6(a + 12) PLEASE HELP :)

Answers

Answer 1

Answer: The answer is B

A. 6(a+5)
=6a+30 not equivalent to 6a+15
B.3(2a+5)
=6a+15 is equivalent
C.3(3a+12)
=9a+36 not equivalent
D.6(a+12)
=6a+72 not equivalent

So your answer is B

Answer 2

Answer:

Answer:

the answer is B im on the exam as well .

Step-by-step explanation:

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A dollhouse has a bed with dimensions 1/12 the size of a queen-size bed. A queen-size bed has an area of 4,800 square inches, and a length of 80 inches. What are the side lengths of the dollhouse bed?

Answers

You could divide 4,800 by 80 to Find the answer. That will be 6 i think

Hi There! :P

Yeah the CORRECT answer would be 5 by 6.67 inches! :)

Without using a calculator, determine the number of real zeros of the function f(x) = x3 + 4x2 + x − 6.

Answers

Answer:

ON PLATO in the empty box the type: 3

Step-by-step explanation:

(x-1) (x+3) (x+2) these are the factors which means there three of them :)

I am pretty sure x= -0.5

Sequence 1,2,3,6,18,108 multiply the previous 2 terms to get the next term

Answers

1,2,3,6,18,108,1944,209952,

Fruit:sugar in 2:3 . If 8kg of sugar is used how much fruit ?

Answers

F:S = 2:3

F:8 = 2:3

F/8 = 2/3

F = 2/3 * 8

F = 16/3

Therefore F, Fruit = 16/3 kg.

There are 24 people using the gym. The ratio of men to women is 2:1. How many men are using the gym

Answers

Total ratio = 2 + 1 = 3

Number of men = 2/ 3 × 24
=16
Therefore, 16 men are using the gym

2:1
=
16 men
8 men :
How i worked it out...
24 divided by 3 = 8 that is 1/3 which is the :1
And you times that by 2 and you get the answer

Tran is solving the quadratic equation 2x2 – 4x – 3 = 0 by completing the square. His first four steps are shown in the table.A table listing the first few steps in deriving the quadratic formula
In which step did Tran first make an error?

Answers

The solution to the quadratic equation 2x² - 4x - 3 = 0 is x = 1 ± √2.5

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

Solving the polynomial using completing the square:

2x² - 4x - 3 = 0

First divide through by 2:

x² - 2x - 3/2 = 0

add 3/2 to both sides:

x² - 2x - 3/2 + 3/2 = 0 + 3/2

x² - 2x = 3/2

add the square of half the coefficient x to both sides:

x² - 2x + 1 = 3/2 + 1

(x - 1)² = 2.5

taking square root:

x - 1 = ±√2.5

x = 1 ± √2.5

The solution to the quadratic equation 2x² - 4x - 3 = 0 is x = 1 ± √2.5

Find out more on equation at: brainly.com/question/2972832

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Answer: Step 3

Step-by-step explanation: this is the right answer on the edge, hope this helps!

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