3 years ago

How do I do number 8?

Mathematics

1 answer:

Tatiana [17]3 years ago

8 0

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I still don't get how to do this: Solve for t then simplify your answer. -6/5t=9

stepladder [879]

Answer:

t= $\frac{-15}{2}$

Step-by-step explanation:

Multiply both sides by 5/(-6).

$\frac{5}{-6}$ * $\frac{-6}{5}$ = $\frac{5}{-6}$ *9

ik the doesnt rlly make any sense but hope this helps

5 0

3 years ago

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Using powers of 10, which would be the best choice for the first number to subtract in the division problem 956 ÷ 87?

dlinn [17]

Answer:

870 as it is the only number in the list which closest and lesser then 956.

(if you divide, then you get 10 as quotient and 86 as remainder)

we can also take 87 but the question mentions with multiples of 10.

Step-by-step explanation:

6 0

2 years ago

What is the measure of angle A please HELP I’ll give you BRAINLIEST

k0ka [10]

Answer:

Option (3)

Step-by-step explanation:

By applying cosine rule in the triangle ABC,

BC² = AC² + AB² - 2(AC)(AB)cosA

5² = 3² + 7²- 2(3)(7)cosA

25 = 9 + 49 - 42cos(A)

25 = 58 - 42cos(A)

cos(A) = $\frac{33}{42}$

A = $\text{cos}^{-1}\frac{11}{14}$

A = 38.21°

A ≈ 38°

Option (3) will be the correct option.

8 0

2 years ago

Brainliest and Five Stars for correct answers

wel

$\bf \lim\limits_{x\to 9}~\cfrac{x^2-81}{x-9}\implies \cfrac{\stackrel{\textit{difference of squares}}{x^2-9^2}}{x-9}\implies \cfrac{\underline{(x-9)}(x+9)}{\underline{(x-9)}}
\\\\\\
\lim\limits_{x\to 9}~x+9\implies (9)+9\implies 18$

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3 years ago

PLEASE HELP FAST Looking for the bottom angle to find my answer! 30 POINTS

mote1985 [20]

I believe it’s 33 degrees

7 0

2 years ago

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