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3 years ago

HELP ME PLEASEEEEEEE

Mathematics

1 answer:

Mamont248 [21]3 years ago

7 0

Answer:

Top right is QI, top left is QII, bottom left is QIII, bottom right is QIV

Step-by-step explanation:

the quadrants start with one at the top left and rotate counterclockwise, rotate to the left

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Help pl0x, Algebra 1

djyliett [7]

$width=8+x+x=8+2x\\length=9+x+x=9+2x\\\\Area:A=width\cdot length\\\\A=(8+2x)(9+2x)=(8)(9)+(8)(2x)+(2x)(9)+(2x)(2x)\\\\=72+16x+18x+4x^2=4x^2+34x+72\\\\A=75ft^2\\therefore\\\\4x^2+34x+72=75\ \ \ \ |subtract\ 75\ from\ both\ sides\\\boxed{4x^2+34x-3=0}$

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3 years ago

0.3465÷0.21 Help me with this 0.3465÷0.21

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1.65
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3 years ago

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Aloiza [94]

Answer:

Step-by-step explanation:

6^2 + y^2 = 10^2

36 + y^2 = 100

y^2 = 64

y = 8

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2 years ago

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Vlad [161]

Answer:

Section 4-1 Day 5 Translating Parabolas Key.pdf

Step-by-step explanation:

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3 years ago

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Can someone help me out with this?

dexar [7]

Answer:

-7.5x -12.5, x < -1
7.5x +2.5, x ≥ -1

Step-by-step explanation:

The absolute value function changes slope at its vertex. Here, that vertex is translated to x = -1. To the left of that point, the function is equivalent to one that negates its argument:

|x| = -x . . . for x < 0

|x| = x . . . for x ≥ 0

for (x+1) < 0

y = -7.5(x +1) -5 = -7.5x -12.5

for (x+1) ≥ 0

y = 7.5(x +1) -5 = 7.5x +2.5

This means we can write the piecewise function as ...

$y=\begin{cases}-7.5x-12.5,&\text{if }x$

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2 years ago