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wariber [46]
2 years ago
13

Which expression is equivalent to (10 7r − r2) (−6r2 − 18 5r)?.

Mathematics
1 answer:
kap26 [50]2 years ago
5 0

Answer:

-7r^2+12r-8

I hope I helped! ^-^

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Use the discriminant to determine the number of real solutions of the equation.<br> x^2 = -6x - 10
HACTEHA [7]

Answer:

No real solutions.

Step-by-step explanation:

x² + 6x + 10 = 0

a = 1

b = 6

c = 10

D = b² - 4ac = 6² - 4*1*10 = 36 - 40 = - 4

- 4 < 0,

so this equation has no real solutions.

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2 years ago
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Taila is older than both her brother Henry and Frank.
S_A_V [24]

Answer:

Trying to get 24

Henry being 1 more than twice Frank age

Frank 3

Henry 7

Taila 14

3 *2=6+1=7*2=14

Step-by-step explanation:

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3 years ago
PQR is a right-angled triangle.
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Step-by-step explanation:

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3 years ago
What is the unit rate of 144 miles on 4.5 gallons
Vinvika [58]
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Miles using 1 gallon
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3 years ago
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12.6 + 4m = 9.6 + 8m
Sergeu [11.5K]

Answer:

3 = 4m or  0.75 = m

Step-by-step explanation:

12.6 + 4m = 9.6 + 8m

Subtract 4m from both sides of the equation

12.6 = 9.6 + 4m

Subtract 9.6 from both sides of the equation

3 = 4m

Divide by four on both sides of the equation

0.75 = m

I Hope That This Helps! :)

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3 years ago
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