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kobusy [5.1K]
3 years ago
8

PLEASE HELP ME WITH THIS!

Mathematics
1 answer:
stira [4]3 years ago
3 0

Answer:

this is your answer.

when x=2

y=2-16=-14

and similarly other.

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Write the phrase as an expression. Then evaluate when x=5. The sum of a number x and 4, all divided by 3
frozen [14]
Sum of a number, x and 4 all divided by 3

sum of x and 4 means x+4
all divided by 3
\frac{x+4}{3}
evaluate for x=5

\frac{5+4}{3}=
\frac{9}{3}=
3

it's 3
3 0
4 years ago
Read 2 more answers
Answer with the explanation step by step
andrey2020 [161]

Answer:

The answer is A. \frac{3(x-21)}{(x+7)(x-7)}.

Step-by-step explanation:

To find the difference of this problem, start by simplifying the denominator, which will look like \frac{3}{x+7}-\frac{42}{(x+7)(x-7)}. Next, multiply \frac{3}{x+7} by \frac{x-7}{x-7}  to create a fraction with a common denominator in order to subtract from \frac{42}{(x+7)(x-7)}. The problem will now look like \frac{3}{x+7}*\frac{x-7}{x-7}-\frac{42}{(x+7)(x-7)}.  

Then, simplify the terms in the problem by first multiplying \frac{3}{x+7} and \frac{x-7}{x-7}, which will look like \frac{3(x-7)}{(x+7)(x-7)}-\frac{42}{(x+7)(x-7)}. The next step is to combine the numerators over the common denominator, which will look like \frac{3(x-7)-42}{(x+7)(x-7)}.

Next, simplify the numerator, and to simplify the numerator start by factoring 3 out of 3(x-7)-42, which will look like \frac{3(x-7-14)}{(x+7)(x-7)}. Then, subtract 14 from -7, which will look like \frac{3(x-21)}{(x+7)(x-7)}. The final answer will be \frac{3(x-21)}{(x+7)(x-7)}.    

4 0
3 years ago
4)) Solve for w.<br> 100 = w + 2<br> w=[
Anettt [7]

Answer: w= 98

Step-by-step explanation:

8 0
3 years ago
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Simplify: (-2x - 3) – (3x2 – 8x + 9). Choose the standard form of the answer.
lawyer [7]

Answer:

C

Step-by-step explanation:

Given

(- 2x - 3) - (3x² - 8x + 9) ← distribute parenthesis

= - 2x - 3 - 3x² + 8x - 9 ← collect like terms

= - 3x² + 6x - 12 → C

7 0
2 years ago
Which function represents a vertical stretch of an exponential function? A. f(x)=3(1/2)^x B. f(x)=1/2(3)^x C. f(x)=(3)^2x D. f(x
il63 [147K]
Selection A seems appropriate.

It is of the form k*f(x), where f(x) is an exponential function and k > 1.
5 0
3 years ago
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