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gavmur [86]
3 years ago
9

Taking Test need Help!

Mathematics
2 answers:
Cerrena [4.2K]3 years ago
8 0
The answer is D hope this help you (-;
 
8090 [49]3 years ago
6 0
Your answer is A, that $56 + (-$2) + (-$3) 
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Solve by elimination.<br> 5x-7y=19<br> 7x-7y=-7
SVEN [57.7K]

Answer:

(x,y)=(-13,-12)

Step-by-step explanation:

5x - 7y = 19

7x - 7y = -7  Multiply both sides of the equation by -1

Which then gives you :

5x-7y=19  Sum the equations vertically to eliminate  

-7x+7y=7                 at least on variable

-2x=26      Divide both sides of the equation by -2

X=-13       Substitute the given value of x into the equation 7x - 7y =-7

7 x(-13)-7y=-7 solve the equation for y

y=-12

Thus gives you (-13,-12)

Hope this was useful!!! Sorry if it's wrong.

4 0
3 years ago
What digit is in the ten thousands place 1.03098 show how you got this and I will mark brainiest
Luden [163]
The 0 is in the ten thousands
3 0
3 years ago
Use the piecewise function to evaluate points f(–1), f(2), and f(12).​
scoundrel [369]

Answer:

Step-by-step explanation:

f(- 1) = - 1 + 4 = 3

f(2) = 2 + 4 = 6

f(12) = 4(12) - 7 = 41

3 0
3 years ago
Read 2 more answers
Help pls show work too :)
lutik1710 [3]

Answer:

60 degrees

Step-by-step explanation:

because two inner angles equals the opposite side's outer angle, we can do this

3y + 13 + 4y = 118

we combine like terms

7y + 13 = 118

subtract

7y = 105

and then divide

y = 15

then we do the equation for A's angle

4(15) = 60

4 0
3 years ago
How do you calculate pi??
Virty [35]

Answer: Use the formula.

Step-by-step explanation: The circumference of a circle is found with the formula C= π*d = 2*π*r. Thus pi equals a circle's circumference divided by its diameter. Plug your numbers into a calculator: the result should be roughly 3.14.

4 0
3 years ago
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