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3 years ago

I need help with these two math problems it’s homework and due and there provided in the picture above that being 2 and 4

Mathematics

1 answer:

Vesnalui [34]3 years ago

4 0

Answer: 268.8

Step-by-step explanation: i know 2 but not 4

proportion: 5= 112

12= x

x= 268.8

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What are the missing angle measures in triangle ABC?

Finger [1]

we know that

In the right triangle ABC

∠ $A+$ ∠ $B=90$ ------> by complementary angles

Step $1$

Find the measure of angle B

we know that

$tan\ B=\frac{opposite\ side\ angle\ B}{adjacent\ side\ angle\ B}$

in this problem

$opposite\ side\ angle\ B=7in\\ adjacent\ side\ angle\ B=5in$

$tan\ B=\frac{7}{5} \\ \\ B=arc\ tan\frac{7}{5} \\ \\ B=54.5\ degrees$

Step $2$

Find the measure of angle A

$A+B=90\\ A=90-B\\ A=90-54.5\\ A=35.5\ degrees$

therefore

the answer is the option

35.5° and 54.5°

5 0

3 years ago

Read 2 more answers

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sladkih [1.3K]

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3 years ago

BRANILIST PLS HELP

Minchanka [31]

Answer:

RSP, ZXY

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Step-by-step explanation:

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2 years ago

X+Y=9<br> $21.50x+$21.70y=$215.70

faltersainse [42]

Answer:You already answer the question what is there to answer again?

Step-by-step explanation:

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3 years ago

Increase £139 by 28%<br> Give your answer rounded to 2 DP

Elis [28]

Answer:

£177.92

Step-by-step explanation:

To increase something by 28% would be to multiply the original value by 1.28:

So to increase £139 by 28%, we do:

£139 × 1.28 = £177.92

So this is our final answer

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2 years ago