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3 years ago

HELP PLZZ I THINK ITS B OR D MIGHT BE WRONG

Mathematics

1 answer:

blsea [12.9K]3 years ago

6 0

Answer: B

Step-by-step explanation:

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Step-by-step explanation:

I don't know for sure, but I am pretty sure this is it.

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Explain how to model the division of –20 by –5 on a number line.

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3 years ago

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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3 years ago

Find the indicated side of the right triangle. 45° y 6 45°

Pavlova-9 [17]

Answer:

Step-by-step explanation:

tan 45 = 6 / x

1 = 6 / x

x = 6

Note :

Tan 45 value = 1

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HELP PLZZ I THINK ITS B OR D MIGHT BE WRONG ​

HELP PLZZ I THINK ITS B OR D MIGHT BE WRONG