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3 years ago

Which expression is equivalent to 3(6m)+m? A)19m B)21m C)7m+3 D)18m+6m(with exponent 2)

Mathematics

1 answer:

julsineya [31]3 years ago

5 0

A) 19m because 3 times 6 is 18 then you add m, which would be 19m

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Resolute academy algebra 1

Goryan [66]

Answer:

Step-by-step explanation:

We can see in the expression that there are 2 x² blocks, 4 -x blocks, and 3 -1 blocks. Therefore, we can write this as

2 * x² + 4 * (-x) + 3 * (-1) = 2x²-4x-3

Comparing this with each answer, we have

A: x²-2x-4 + x² + 2x-1 = 2x²-5. This is not correct

B: 3x²-7x+1-(x²-3x+4) = 3x²-7x+1 -x²+3x-4 = 2x²-4x-3. This seems correct but we can check the other answers to be sure

C: (2x+1)(x-3) = 2x²-6x+x-3 = 2x²-5x-3. This is incorrect

D: $\frac{8x^{12} - 16x^7 - 12x^6}{4x^6} = 2x^6 - 4x - 3$ . This is incorrect

3 0

3 years ago

A box contains 300 raffle tickets. Only 15 tickets are winning tickets. What is the

Roman55 [17]

Answer:

Step-by-step explanation:

15/300 = 0.05

3 0

2 years ago

What is the value of h when the function is converted to vertex form?

elena-s [515]

Answer: h=7

Step-by-step explanation:

By definition the function in vertex form is:

$f(x)=a(x-h)^{2}+k$

Where (h,k) is the vertex of the parabola.

You must group the terms that contain the same variable in the function:

$f(x)=(x^{2}-14x)+29$

Complete the square as following:

$f(x)=(x^{2}-14x+49)+29-49$

Now you must rewrite it as following:

$f(x)=(x-7)^{2}-20$

Then:

h=7

4 0

3 years ago

Read 2 more answers

Which expression has a value that is equivalent to the given expression when n = 8?

deff fn [24]

2 times 8 equals 16 + 10 equals 26

8 0

3 years ago

Which strategy for addressing counterclaims should Christopher use to

Over [174]

Your answer is going to be c

8 0

3 years ago