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3 years ago

8

Factor completely: 8x²+2x-15

2 answers:

Sliva [168]3 years ago

8 0

Answer is below. Open it up in a new window to see it entirely...

Paraphin [41]3 years ago

4 0

8x²+2x-15 -120x² ⇒-10x×+12x
8x²+12x-10x-15
4x[2x+3]-5[2x+3]
[2x+3][4x-5]

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Simplify the ratio 19:114

masha68 [24]

$19:114 = \frac{19}{114}$ ÷ $\frac{19}{19} = \frac{1}{6} = 1:6 \ \textless \ -answer$

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2 years ago

−6(x+7) pls help me.

QveST [7]

The answer is -6x - 42

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3 years ago

Read 2 more answers

Find the measurement

xenn [34]

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$6z + 7 = 8z - 9$

$8z - 9 = 6z + 7$

Add sides 9

$8z - 9 + 9 = 6z + 7 + 9$

$8z = 6z + 16$

Subtract sides 6z

$- 6z + 8z = - 6z + 6z + 16$

$2z = 16$

Divide sides by 2

$\frac{2z}{2} = \frac{16}{2} \\$

$z = 8$

Thus ;

$NP = 8z - 9$

$NP = 8(8) - 9$

$NP = 64 - 9$

$NP = 64 - 4 - 5$

$NP = 60 - 5$

$NP = 55$

Done...

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6 0

3 years ago

Three vertices of a rectangle have coordinates (3,4), (5,-4), and (-7,-7). What is the y coordinate of the fourth vertex?

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3 years ago

Suppose f varies directly as g, and f varies inversely as h. Find g when f = 10 and h = –12, if g = 56 when h = –2 and f = –7. R

kow [346]

Answer:

-480

Step-by-step explanation:

If f varies directly as g, and inversely as h, then we can write the variation equation:

$f=\frac{kg}{h}$ , where k is the constant of variation.

If g=56 when h=-2 and f=-7, then we substitute these values into the formula to find the value of k.

$-7=\frac{k(56)}{-2}$

$-7\times -2=56k$

$k=\frac{14}{56}=\frac{1}{4}$

The equation now becomes:

$f=\frac{g}{4h}$

if f=10 and h=-12, then;

$10=\frac{g}{-48}$

$g=-48\times 10=-480$

The correct answer is B.

4 0

3 years ago