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alex41 [277]
2 years ago
13

Find the value of x. Round your answer to the nearest tenth.​

Mathematics
2 answers:
SVEN [57.7K]2 years ago
5 0
13.9
it’s a special triangle and that side would be 8√3 which is 13.9
zmey [24]2 years ago
5 0

Answer:

c. 13.9

Step-by-step explanation:

we can work out the third angle

all angles add up to 180

90 + 30 = 120, 180 - 120 = 60

using law of sines

\frac{x}{ \sin(a) }  =  \frac{b}{ \sin(b) }

where sin(a) = 60, b = 30 and sin(b) = 30

\frac{x}{sin(60)}  =  \frac{8}{ \sin(30) }

x =  \frac{8}{sin(30)}  \times  \sin(60)

x = 13.9

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From the list, the only region that has a population with seven as the power of ten is Oceania.

<h3>What is the meaning of "the power of ten"?</h3>

In mathematics, large numbers are often expressed as the power of ten. For example 6500 can be expressed as 65 x 10^2 as the exponent (2) indicates the number of zeros.

<h3>What region has a population with seven as the power of ten?</h3>

From the options, the only region that has as a exponent the number seven is Oceania.

Note: This question is incomplete; here is the missing information:

  • In the introduction, we looked at the human populations of different geographic groups. There are about 1 x 10^9 people in Africa, 4.2 x 10^9 in Asia, 7.4 x 10^8 in Northern America, 3.7 x 10^7 in Oceania, and 6 x 10^8 in Latin America and the Caribbean.

Learn more about exponent in: brainly.com/question/5497425

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A rectangular prism has a length of 12in, a height of 5in, and a width of 8in. What is its volume, in cubic in?
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Step-by-step explanation:

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George weighs 60 pounds less than his older brother. Together they weigh 240 pounds. How many pounds does George weigh?
lyudmila [28]

Easy Algebra question!

Let's use "x" as a variable.

The equation would be x+x+60 = 240 with "x" being George's weight.

Subtract 60 from both sides and you get 2x = 180.

From there you divide both sides by 2, getting x=90.

"x" is George's weight, so he weighs 90 pounds.

ANSWER: 90 POUNDS

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