3 years ago

Which of the following best describes the term direct variation?

Mathematics

1 answer:

olchik [2.2K]3 years ago

5 0

That would be A...they have to have a constant ratio

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Multiply 5(−37). Simplify your answer.

blsea [12.9K]

Answer:

Step-by-step explanation:

Given the expression 5(-3/7)

On simplifying, we have:

$= 5 \times \frac{-3}{7}\\ \\= \frac{5 \times -3}{7}\\ \\= \frac{-15}{7}$

Express as a mixed fraction

$= \frac{-15}{7}\\= -2 \frac{1}{7}$

Hence the correct answer is -2 1/7

7 0

4 years ago

Use the law of cosines to find the length of side C.

sergij07 [2.7K]

Answer:

$\text{D. 36.64}$

Step-by-step explanation:

The Law of Sines is given by $\frac{a}{\sin A}=\frac{b}{\sin B}=\frac{c}{\sin C}$ and works for any triangle.

Therefore, we have the proportion:

$\frac{c}{\sin 41.5^{\circ}}=\frac{37}{\sin 42^{\circ}},\\\\c=\frac{37\sin 41.5^{\circ}}{\sin 42^{\circ}}=36.6399945706\approx \boxed{36.64}$

8 0

3 years ago

one box of golfballs costs $112. If you have $7290 and buy as many boxes as you can, how much money will you have left over?

Inessa [10]

Answer:

aproxitmatly 64 to be exact 64.2857

Step-by-step explanation:

Its easy all you have to do is divide 7,200 divided by 112 and eqauls 64

:) Hope you do great on it!

3 0

3 years ago

Enter the equation of the circle described below.<br><br> Center (3,-2), radius = 5

mart [117]

Apply the standard equation of a circle:

(x-h)²+(y-k)²=R²

== (x-3)²+(y+2)²=25

3 0

3 years ago

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Evaluate 2y + 4 for y = 15.

postnew [5]

Answer: 34

Step-by-step explanation

7 0

3 years ago

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