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poizon [28]
3 years ago
13

Twice the difference of a number and eight is equal to three times the sum of the number and four

Mathematics
1 answer:
vovikov84 [41]3 years ago
5 0

Answer:

2(8-x)=3(4+x)

Step-by-step explanation:

16-2x=12+3x

16=12+5x

4=5x

4/5 (or 0.8)=x

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Which transformation maps quadrilateral EFGH to quadrilateral QRSP
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The answer is C.) Rotation

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Chelsea is sitting 8 feet from the foot of a tree. From where she is
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Divide x to the 1 half power divided by x to the 2 sevenths power.
juin [17]

\frac{x^\frac{1}{2} }{x^\frac{2}{7}}

According to the rule of exponents \frac{a^m}{a^n} = a^{(m-n)} , i.e. when two terms are in division with same base , we subtract the exponents

So

\frac{x^\frac{1}{2} }{x^\frac{2}{7}} = x^{(\frac{1}{2}) - (\frac{2}{7})}

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5 0
3 years ago
Which triangle side lengths form a right triangle? Choose all that apply.
sergij07 [2.7K]
Both 8,15,17 and 15,20,25 will form a right triangle

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3 0
3 years ago
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How many ways can 6 people be chosen and arranged in straight line if there are 8 people to choose from? a. 48.b. 720.c. 20, 160
Ipatiy [6.2K]

Answer:

<h2>C. <em>20,160</em></h2>

Step-by-step explanation:

This question bothers on permutation since we are to select a some people out of a group of people and then arrange in a straight line. If r object are to be arranged in a straight line when selecting them from n pool of objects. This can be done in nPr number of ways.

nPr = n!/(n-r)!

Selection of 6 people out of 8 people can therefore be done in 8C6 number of ways.

8P6 = 8!/(8-6)!

8P6 = 8!/2!

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8P6 = 8*7*6*5*4*3

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8P6 = 20,160

<em>Hence this can be done in 20,160 number of ways</em>

5 0
3 years ago
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