3 years ago

(marking brainliest or however you spell it)

Mathematics

1 answer:

Elodia [21]3 years ago

8 0

Answer:

6.4

Step-by-step explanation:

To do this you just have to multiply 40 by 2 to get 80 and than divide by 12.5 and you get 6.4

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(3/5)^-2 Possible answers: 9/25 -9/25 -25/9 25/9

Kamila [148]

The answer is B -9/25.

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3 years ago

I will give the brainliest answer

GuDViN [60]

Answer:

$82 {units}^{2}$

Step-by-step

explanation

explanation is attached to the picture

hope this helps

brainliest appreciated

good luck! have a nice day!

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3 years ago

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What is 82 + 100 - 2 = _____?

Hoochie [10]

Answer:

180

Step-by-step explanation:

100+82=182-2=180

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3 years ago

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Consider the following system of equations. -10x2-10y2=-300 5x2+5y2=150 Which statement describes why the system has infinite so

scoundrel [369]

Answer:

The equations represent circles that result in the same graph.

Step-by-step explanation:

we have

$-10x^{2}-10y^{2}=-300$

Divide by -10 both sides

$x^{2}+y^{2}=30$ -----> equation A

This is the equation of a circle centered at origin with radius $r=\sqrt{30} \ units$

and

$5x^{2}+5y^{2}=150$

Divide by 5 both sides

$x^{2}+y^{2}=30$ -----> equation B

This is the equation of a circle centered at origin with radius $r=\sqrt{30} \ units$

equation A and equation B are equal

therefore

The system has infinite solutions, because the equations represent circles that result in the same graph.

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3 years ago

Deprina buys a large cup of coffee for $4.70 on her way to work everyday. If there are 24 workdays in the month, how much does D

Allisa [31]

She will spend 112.8
24 times 4.70 equals 112.8

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3 years ago