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harkovskaia [24]
3 years ago
14

Quadratic inequalities

Mathematics
1 answer:
lina2011 [118]3 years ago
7 0
See picture for rough graph

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31 divided into 458
tangare [24]

Answer:

31/458 or 458/31 you worded it confusingly

Step-by-step explanation:


3 0
3 years ago
Read 2 more answers
I need help with this
Softa [21]
Nothing can be done with this question!
8 0
3 years ago
A rectangle has an area of 112 square yards. Its width is nine yards less than the length. Write an equation that models this pr
Troyanec [42]

Step-by-step explanation:

L = length

W = width

L = W + 9

A = 112 = LW = (W+9)W

So,

W2 + 9W = 112

W2 + 9W - 112 = 0

Factoring

(W-7)(W+16) = 0

W = 7, -16

We discard W = -16, since a measurement cannot be negative.

W = 7

And since L = W + 9, then L = 7 + 9 = 16

This is a 16x7 rectangle

4 0
3 years ago
Evaluate -2x2 y, if x = -3 and y = -1
Gre4nikov [31]
The answer is -12
these are the steps on how to find that 
-2x2y
-2(-3)2(y)
6 times -2
-12
6 0
3 years ago
What is the solution to the system of equations 7x - 11y = -9
alexdok [17]

Answer:

7x-11y+9=0

Step-by-step explanation:

4 0
2 years ago
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