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2 years ago

Simplify each expression -21v6/-6v8

Mathematics

2 answers:

earnstyle [38]2 years ago

6 0

Answer:

7/2v^2

Step-by-step explanation:

Hope this helps!

If not, I am sorry.

MissTica2 years ago

3 0

Answer: The answer to this is $\frac{7\sqrt{3} }{4}$ .

I looked it up on my scientific calculator. I hope this helps!! :)

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Find the sum of the equation

stealth61 [152]

Answer:

$\frac{{y}^{2}+13y-6}{{(y-1)}^{2}(y+7)}$

Step-by-step explanation:

1) Rewrite ${y}^{2}-2y+1y$ in the form ${a}^{2}-2ab+{b}^{2}$ , where a = y and b = 1.

$\frac{y}{{y}^{2}-2(y)(1)+{1}^{2}}+\frac{6}{{y}^{2}+6y-7}$

2) Use Square of Difference: ${(a-b)}^{2}={a}^{2}-2ab+{b}^{2}$ .

$\frac{y}{{(y-1)}^{2}}+\frac{6}{{y}^{2}+6y-7}$

3) Factor ${y}^{2}+6y-7$ .

1 - Ask: Which two numbers add up to 6 and multiply to -7?

-1 and 7

2 - Rewrite the expression using the above.

$(y-1)(y-7)$

Outcome/Result: $\frac{y}{(y-1)^2} +\frac{6}{(y-1)(y+7)}$

4) Rewrite the expression with a common denominator.

$\frac{y(y+7)+6(y-1)}{{(y-1)}^{2}(y+7)}$

5) Expand.

$\frac{{y}^{2}+7y+6y-6}{{(y-1)}^{2}(y+7)}$

6) Collect like terms.

$\frac{{y}^{2}+(7y+6y)-6}{{(y-1)}^{2}(y+7)}$

7) Simplify ${y}^{2}+(7y+6y)-6y$ to ${y}^{2}+13y-6y$

$\frac{{y}^{2}+13y-6}{{(y-1)}^{2}(y+7)}$

5 0

2 years ago

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Find the slope of a line that has points (-2,6) and (4,-1)

Nadya [2.5K]

-7/6 is the answer hope it helped

8 0

3 years ago

We theater is giving away a souvenir poster to any customer with a concession stand receive that exceeds $60 the theater sells a

meriva

Answer: 6x + 3.5y > 60

<u>Step-by-step explanation:</u>

Popcorn: cost is $6.00, variable is x

Soda: cost is $3.50, variable is y

Total: GREATER than $60

Popcorn + Soda > Total

6x + 3.5y > 60

4 0

3 years ago

Question

yuradex [85]

Answer:

(30, ∞)

Step-by-step explanation:

b – 27 > 3

Add 27 to both sides

b > 30

In interval notation

(30, ∞)

8 0

2 years ago

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Rewrite 7x+7y as the product of two factors

Yuri [45]

7(x+y) because their both factors of 7

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2 years ago

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