2 years ago

Another problem please look!

Mathematics

1 answer:

kicyunya [14]2 years ago

4 0

I think the answer is 917. Hope this help you good luck.

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What is the solution (x,y) to the system of equations below x + 9y = 3 y= 1/3 x + 7

Alex_Xolod [135]

Let's solve this by substitution.

y is given by the 2nd eqn as y = (1/3)x + 7. Subst. (1/3)x + 7 into the first eqn as a replacement for y: x + 9( (1/3)x + 7) = 3.

clear out fractions by mult. all 3 terms by 3: 3x + 9x + 63 = 3

Combine like terms: 12x = -60. Then x = -5

Find y by subst. -5 for x in the 2nd equation: y = (1/3)(-5) + 7

= -5/3 + 35/3 = 30/3 = 10.

Thus, the solution (x,y) of this system is (-5,10).

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3 years ago

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finlep [7]

The answer would be
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3 years ago

When Ricardo was 9 years old, he was 56 inches tall. By age 12, he had increased his

Schach [20]

Answer:

He is 62.72 inches tall now

Step-by-step explanation:

the twelve over 100 is the percentage, he increased by 12 percent. and the x over 56 is the new value (x) over the old value. We get 6.72 so we add that to 56 to get 62.72.

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2 years ago

Does anyone know how to finish this equation?

nikdorinn [45]

Not sure what you mean?

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2 years ago

What is the area of a circle when its circumference is 176

nexus9112 [7]

Answer:

Open this picture I send you

I hope I helped you :3

I hope you are having a great day ❤️❤️❤️❤️

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2 years ago

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