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masya89 [10]
3 years ago
10

Can someone help me with this question

Mathematics
1 answer:
gavmur [86]3 years ago
3 0

Answer:

w = 2.6

x = 26.2^\circ

Step-by-step explanation:

Solving for w:

Look at the right triangle on the left side. It has a 32-deg angle, a hypotenuse of length 5, and a leg of length w. For the 32-deg angle, w is the opposite leg. We have an opposite leg and a hypotenuse, so we use the sine.

\sin A = \dfrac{opp}{hyp}

\sin 32^\circ = \dfrac{w}{5}

w = 5 \sin 32^\circ

w = 2.6495

w = 2.6

Solving for x:

Now look at the right triangle on the right side. There is an acute angle measuring x, an opposite leg measuring 2.6495 (from the solution above), and a hypotenuse measuring 6. We use the sine again.

\sin A = \dfrac{opp}{hyp}

\sin x = \dfrac{w}{6}

\sin x = \dfrac{2.6495}{6}

\sin x = 0.441599

Since we know what the sine of angle x is equal to, and we want to know the measure of angle x, we use the inverse sine function, also called the arcsine.

x = \sin^{-1} 0.441599

x = 26.2^\circ

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Answer:

69.20in

Step-by-step explanation:

Given data

diagonal of the TV d= 55in

Widht of the TV w=  42 in

Hight h= ???

Applying the Pythagoras theorem

d^2= w^2+ h^2

substitute

55^2= 42^2+ h^2

3025= 1764+ h^2

3025+1764= h^2

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h= 69.20

Hence the Heigth is 69.20in

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3 years ago
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Answer:

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Step-by-step explanation:

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2 years ago
17. You have $75 in your bank account. Each week you plan to deposit $8 from your allowance and $10 from your paycheck
Vanyuwa [196]

Answer:

60 weeks

Step-by-step explanation:

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6 0
3 years ago
I need help please and fast
patriot [66]

Answer:

20%

Step-by-step explanation:

The reason it is 20% is due to the fact that if you put it in a form showing 250/250 = 100/100 and put another proportional rate underneath it showing 200/250 = x/100, you would have to multiply the numerator of the fraction on the left by the denominator of the fraction on the right to get 20000. Now you divide 250 from 20000 and get x for 80, resulting in 80/100 or 80%. All you have to do now is subtract 100-80, which equals 20, resulting in 20%.

Hope that helps!! It's my first time in answering so, ya. ;D goodluck!

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3 years ago
Read 2 more answers
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