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hjlf
3 years ago
11

Can someone solve these two for me pls ill give brainliest

Mathematics
1 answer:
NISA [10]3 years ago
6 0

Answer:

1.) -5

2.) -4

Step-by-step explanation:

For number 1, you sub in -2 for x.

2 multiplied by -2 is -4, minus 1 = -5.

For the second one, sub in 5 for x.

-5 + 1 = -4.

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liubo4ka [24]
Nvm disregard or delete this... wrong answer

8 0
3 years ago
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The length of a rectangle is 4 more than it's width. Write an equation that will determine the dimensions if the area of the rec
Firdavs [7]

Answer: The equation is W^2 + 4W - 96= 0

{Please note that ^2 means raised to the power of 2}

Step-by-step explanation: We have been given hints as to the measurement of the length and width of the rectangle. The length is given as four more than the width. What that means is that whatever is the width, we simply add four to get the measurement of the length. Therefore if the width is W, then the length is W + 4.

That is,

L = W + 4 and

W = W

Also we have the area given as 96.

Remember that the area of a rectangle is given as

Area = L x W.

In this question, the Area is expressed as

Area = (W + 4) x W

96 = W^2 + 4W

Subtract 96 from both sides of the equation and we have

W^2 + 4W - 96 = 0.

We now have a quadratic equation from which we can determine the dimensions of the rectangle

5 0
3 years ago
Can someone please help me
yarga [219]

Answer:

A) <X

Step-by-step explanation:

X - it’s opposite the longest side

7 0
3 years ago
Pls pls pls pls pls pls pls pls pls helppp meee i will give BRAINLIEST!!!!!!
vichka [17]

Answer:

D. x = 22.5

Step-by-step explanation:

4 0
3 years ago
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Pls pls pls pls pls help
Stella [2.4K]

23

Step-by-step explanation:

f(3) =  {(3)}^{2}  + 3(3) - 7 = 9 + 9 - 7 \\  = 18 -  7 = 11

g(3) = 5(3) - 3 = 15 - 3 = 12

f(3) + g(3) = 11 + 12 = 23

RATE BRAINLIEST

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