Can you help it is algebra 7th grade mathematics please help ASAP thank you

1 answer:

5 0

B. if both variables are greater than 0 then n and r must be postive.

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Nookie1986 [14]

Answer:

Step-by-step explanation:

1. 10x5=50

(3x3.5)x2=21

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4 years ago

Ymorist [56]

25%=$8.74 7.5%=$2.62

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3 years ago

myrzilka [38]

The answer is 1, 2, 4

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4 years ago

12345 [234]

Answer:

6 + 3 $\sqrt{10\\}$ or 6 - 3 $\sqrt{10\\}$

Step-by-step explanation:

x^2 - 12x + 36 = 90

x^2 - 12x - 54 = 0

x = $\frac{-b +/- \sqrt{b^{2} + 4ac }}{2a}$

a = 1, b= -12, c= -54

6 + 3 $\sqrt{10\\}$ or 6 - 3 $\sqrt{10\\}$

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3 years ago

Temka [501]

I believe the answer is -3

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3 years ago