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3 years ago

13

Use formula to help you answer the question below do not include units in your answer

1 answer:

Oxana [17]3 years ago

7 0

Since rate * time = distance, and you are trying to find the time, you need to rearrange the formula. Change it so time is on one side by itself, that'll be the easiest way to do it. The formula will now be distance / rate = time. So, divide distance/rate, which is 76/16, and you will get 4.75. That means that it'll take 4 3/4 or 4.75 hours to finish the bike ride. Hope I helped, could I get brainliest :)

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Solve the proportion <br> 7/5=10.5/b

inessss [21]

Answer:

b=7.5

Step-by-step explanation:

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3 years ago

3. What is the exact area of triangle ABC? Use special right triangles to help find the base of the triangle. Show your work.

Oduvanchick [21]

The exact area of triangle ABC is 93.51 cm².

The given parameters;

<em>Height of the triangle, h = 18 cm</em>

The base of the triangle is calculated by using trigonometry ratio as follows;

$tan (30) = \frac{b}{18} \\\\$

where;

<em>b </em><em>is the </em><em>base </em><em>of the </em><em>triangle ABC</em>

<em></em>

<em></em> $b = 18 \times tan(30)\\\\b = 10.39 \ cm$ <em></em>

The area of the triangle ABC with the calculated base and given height is calculated as follows;

$A = \frac{1}{2} \times base \times height\\\\A = \frac{1}{2} \times 10.39 \times 18\\\\A = 93.51 \ cm^2$

Thus, the exact area of triangle ABC is 93.51 cm².

Learn more about area of a triangle here: brainly.com/question/23945265

3 0

2 years ago

All of the following are rational numbers: .5, 7, V16<br> O True<br> O False

wel

Answer:

Your answer is: A) True

( I say true because 1) .5 2) 7 are rational) ( I dont know about v16, if that is what it is supposed to say, then I cant quite tell)

A rational number is any integer, fraction, terminating decimal, or repeating decimal.

Step-by-step explanation:

Hope this helped : )

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3 years ago

Three times a number x is at least -18

Ksivusya [100]

3x is greater than or equal to -18. You would divide each side by 3 to get x alone. Then You will get what x stands for. (x= -6)

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3 years ago

13+(3+7)=(13+3)+7 what property is that

Reil [10]

Answer: Associative property

Step-by-step explanation:

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3 years ago

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