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dybincka [34]
2 years ago
10

Helppppppp pleaseeee

Mathematics
2 answers:
katovenus [111]2 years ago
8 0

Answer:

27

Step-by-step explanation:

3-2a+a^2\\

If a = -4 then just replace a with -4

3-2(-4)+(-4)^2\\3+8+16\\27

pochemuha2 years ago
5 0

Answer:

-5

Step-by-step explanation:

a= -4 than 2 times-4. than be 8.and 4 square is -16. So it be 3+8-16 = -5

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Susan determined that the expression below is equal to 7.59 . 15.91 subtract 8.32
weqwewe [10]
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3 0
3 years ago
What is differnce when there is parentheses around a number being squared?
Svetach [21]
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For example: -2² vs (-2)²
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<em />
5 0
3 years ago
Solve the following equation and determine if it has one solution, no solution, or infinitely many solutions: 3x+1−3(x−1)=4
vaieri [72.5K]

Answer:

1/3  , only one solution

Step-by-step explanation:

3x-1 = 1-3x

3x-1 = -3x+1

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7 0
3 years ago
Read 2 more answers
Is 42(x + 14y) equivalent to 42x - 56y
g100num [7]

Answer:

No its not

Step-by-step explanation:

When 42(x + 14y) is simplified:

42(x + 14y)

Expand and remove the brackets. Remember brackets mean to multiply.

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42*14y

588y

42x+588y

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3 0
3 years ago
How do you turn 4/9 into a percent
Mrrafil [7]

Answer:you divide 90 by 4

Step-by-step explanation:

8 0
3 years ago
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