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Tpy6a [65]
2 years ago
10

8 grade math part 1 help me

Mathematics
1 answer:
olga nikolaevna [1]2 years ago
5 0
ANSWER: 180°
EXPLANATION: 360-180=180
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PtichkaEL [24]

Step-by-step explanation:

Given.

3x+5y=3

x+2y=0

Take the second equation and subtract 2y to both sides.

(x+2y)-2y=0-2y

x=-2y

Substitute x into the first equation and simplify.

3x+5y=3

3(-2y)+5y=3

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Invert.

y=-3

Substitute Y into your second equation.

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x+2(-3)=0

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Add -6 to both sides.

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2 years ago
From class we learned that in 2010 the federal debt (in millions) was $13,561,623 and the population of the U.S. was 309 million
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13,561,623 divided by 309 = 43,888.75

For Question B, you will need to have the other CPI value from the table.
7 0
3 years ago
A flagpole that is 32 feet tall casts a 67-foot shadow. What is the angle, marked with an x on the diagram, that the sun hits th
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Answer:

64

Step-by-step explanation:

5 0
3 years ago
(04.05) Evan spent 20 hours doing homework last week. This week he spent 25 hours doing homework. He says that he spent 125% mor
natali 33 [55]

Answer:

Evan is correct

Step-by-step explanation:

To find this answer, we can use the formula A=PxW

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So we can use this formula and do the equation like this:

A=1.25x20

This gets us to 25

So Evan is correct!

Hope this helps and please award brainliest if possible!

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2 years ago
There are 12 boys and 13 girls in a class. If the teacher randomly chooses a student's name out of a hat, what is the probabilit
balu736 [363]
If there are 12 boys and 13 girls, there are 25 kids in the class total.  This means that 13/25 are girls.  In order to know the probability, you must divide 13 by 25, which gets an answer of 0.52, which is equal to 52%.

52%
7 0
3 years ago
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