2 years ago

Can someone please help me with math.

Mathematics

1 answer:

stepan [7]2 years ago

8 0

Answer:

My guy the answer to your question is A. He charges $1.50 per bag plus $3.00 for handling.

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Homemade volcano kit from walmart.

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Changle. Show all work. Round each length to the nearest tenth and each angle to the

Sedaia [141]

Answer:

Part 1) $BC=12.2\ units$

Part 2) $m\angle A=55^o$

Part 3) $m\angle C=35^o$

Step-by-step explanation:

Part 1) Find AC

we know that

In the right triangle ABC of the figure

Applying the Pythagorean Theorem

$AC^2=AB^2+BC^2$

substitute the given values

$AC^2=7^2+10^2$

$AC^2=149\\AC=12.2\ units$

Part 2) Find the measure of angle A

we know that

In the right triangle ABC

$tan(A)=\frac{BC}{AB}$ ----> by TOA (opposite side divided by the adjacent side)

substitute the values

$tan(A)=\frac{10}{7}$

using a calculator

$m\angle A=tan^{-1}(\frac{10}{7})=55^o$

Part 3) Find the measure of angle C

we know that

In the right triangle ABC

$m\angle A+m\angle C=90^o$ ----> by complementary angles

substitute the given value

$55^o+m\angle C=90^o$

$m\angle C=90^o-55^o=35^o$

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2 years ago

What is the solution set of -11 > 1 + a?<br>a > -10<br>a -12

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Answer is 10 because I just took the test

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3 years ago

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A 25 foot ladder and a 10 foot ladder are leaning against a building at the same angle,

swat32

Answer:

33.33 feet

Step-by-step explanation:

First you want to divide 25 to 7.5 so that you can find out how far the ladder is if it was a foot-long your answer should be 3.33. Then you want to multiply the 3.33 to 10 and the answer would be 33.33

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2 years ago

What is an equation of the line that passes through the point (4, -1) and has

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Answer:

y + 1 = -5(x - 4)

y + 1 = -5x + 20

y = -5x + 19

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