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matrenka [14]
3 years ago
5

2-4a = 16 What is the solution

Mathematics
2 answers:
Crank3 years ago
6 0
Answer: -3.5

Solution: subtract 2 to 16 to get 14. Then divide by -4. A= -3.5
motikmotik3 years ago
5 0
Answer:

a = -3.5

Explanation:

2 - 4a = 16

-4a = 14

a = -3.5
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Cora takes a sheet of paper and cuts from one corner to the opposite corner, making two triangles. If the piece of paper is 15 i
Bogdan [553]
Answer: 17 inches

Explanation: so we have a triangle with the two side lengths 8 and 15 and we’re trying to find the hypotenuse. so using the pythagorean theorem, we have 8^2 + 15^2 = c^2. when we solve we get 64 + 225 = c^2, which is 289 = c^2. next, we find the square root of both sides and c = 17 inches.

hope this helped!
7 0
3 years ago
What is the value of the first term in the following arithmetic sequence?
LekaFEV [45]

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6 0
3 years ago
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3 years ago
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Crazy boy [7]
Cohen's d is given by:

Cohen's\ d= \frac{mean\ difference}{ \sqrt{ \frac{(n_1-1)s_1^2+(n_2-1)s_2^2}{n_1+n_2-2} } }  \\  \\ = \frac{2}{\sqrt{\frac{(5-1)8+(5-1)10}{5+5-2}}} = \frac{2}{ \sqrt{ \frac{32+40}{8} } } = \frac{2}{ \sqrt{9} }  \\  \\  =\frac{2}{3}
7 0
3 years ago
the length of a rectangle is 4 times its width. The rectangles perimeter is 68 feet what is the rectangles length and width ??
kodGreya [7K]

Answer:

Length = 27.2

Width = 6.8

Step-by-step explanation:

P = L+L+W+W

68 = 4(L+L)+W+W

68 = 4(x+x)+x+x

68 = 4x+4x+x+x

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W = x

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68 = 27.2+27.2+6.8+6.8

68 = 68

7 0
3 years ago
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