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3 years ago

Solve to find the value of x.

Mathematics

1 answer:

Tresset [83]3 years ago

6 0

Answer:

x=12

Step-by-step explanation:

We know that a right angle is 90 degrees. So we can make the equation $35+4x+7=90.$ Now, we can solve fore X! We can combine 35 and 7 to make the equation $4x+42=90$ . In order to isolate x we have to subtract 42 from both sides, getting us the equation $4x=48.$ Now, in order to isolate x we must divide each side by 4, getting us the equation $12=x$ . To prove that x=12, we can subsitute x for 12. This means that we can do $35+4(12)+7=90. Or, 35+48+7 =90,$ which simplified, is 90=90, making x=12 true. Hope this helps :)

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Find the missing length for the right triangle described below. B = 21 ft, c=27 ft. Find side a. Round to the nearest whole numb

maksim [4K]

Answer:

16.97 ft

Step-by-step explanation:

According to the scenario, computation of the given data are as follows,

Side B = 21 ft

Side c = 27 ft

As we know, formula for right triangle is as follows,

$a^{2} + b^{2} = c^{2}$

$a^{2} = c^{2} - b^{2}$

So, by putting the value in the formula, we get,

$a^{2} = 27^{2} - 21^{2}$

$a^{2}$ = 729 - 441

$a^{2}$ = 288

a = 16.97 ft

Hence, the length of the side for the right triangle is 16.97ft.

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Step-by-step explanation:

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3 years ago

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2 years ago

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DochEvi [55]

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Combinations: $\frac{n!}{r!(n-r)!}$
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3 years ago