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andreev551 [17]
3 years ago
10

Evaluate -3(9+y) if y = -7 ​

Mathematics
2 answers:
mario62 [17]3 years ago
6 0

Answer:

-6

Step-by-step explanation:

Substitutet -7 for y in -3(9+y):  -3(9 - 7)  =  -3(2)  =  -6

nadya68 [22]3 years ago
3 0

Answer:

-6

Step-by-step explanation:

-3*2

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Answer:

x=2

Step-by-step explanation:

use distributive property: x^2+2x-1=4

remove the -1 by adding 1 on both sides: x^2+2x=5

use the guadratic fromula:  ax²+bx+c=0

plug in the equation x^2+2x-5=0

a,b and c are the coefficients to plug into the formula

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Which terms could be used as the last term of the expression below to create a polynomial written in standard form? Check all th
kogti [31]
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Therefore, the <span>terms that could be used as the last term of the given expression to create a polynomial written in standard form are
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</span>2.4
4.) Trapezoid 



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