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Aneli [31]
2 years ago
7

Does anybody have the answer to this

Mathematics
1 answer:
saveliy_v [14]2 years ago
5 0

Answer:

a) 7

Step-by-step explanation:

a+b = 12

b+c = 17

a+b+c=22

12+c=22

c=10

b=7

a=5

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Solve for y:<br> x + 2y = -8<br><br> y=-1/2x+4<br> y=-1/2x-4<br> y=-2x - 4<br> y=1/2x-4
adelina 88 [10]

Answer:

x + 2y = -8 = y = -4 - 1/2x

y= -1/2x + 4 =  y = 4

y= -1/2x - 4 = y = -4

y=-2x - 4 = y = -4

y=1/2x-4 = y = -4

Step-by-step explanation:

(x + 2y = -8 = y = -4 - 1/2x)

x+2y=-8\\2y=-8-x\\y=-4-\frac{1}{2}x\\

4 0
3 years ago
28)A regression equation is obtained for a collection of paired data. It is found that the total variation is 24.488, the explai
Doss [256]

Answer: The coefficient of determination = 0.6291

Step-by-step explanation:

Given: Total variation is 24.488, the explained variation is 15.405, and the unexplained variation is 9.083.

The coefficient of determination is computed as:

\text{ coefficient of determination} =\frac{\text{explained variation }}{\text{total variation}}

Substituting given values, we get

\text{coefficient of determination} =\frac{15.405}{24.488}

=0.6291

Therefore, the coefficient of determination = 0.6291

7 0
2 years ago
One thousand grams is <br> A) 1 milligram <br> B) 1 centigram <br> C) 1 hectogram <br> D) 1 kilogram
kirill [66]

1,000 grams = 1 kilogram

Hopefully I was helpful.

7 0
3 years ago
What is an equation of the line that passes
sasho [114]
2x-2y

parallel means that the x part is the same

and it is -2y because the y-coordinate is -2
7 0
2 years ago
98n^2-200 factoring special cases
Kipish [7]

Step-by-step explanation:

Factor 98n2−200

98n2−200

=2(7n+10)(7n−10)

Answer:

2(7n+10)(7n−10)

8 0
3 years ago
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