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QveST [7]
3 years ago
10

Which equation results from adding the equations in this system? Negative 2 x + y = 8. 5 x minus y = negative 5.

Mathematics
2 answers:
FinnZ [79.3K]3 years ago
7 0

Answer:

3x = 3

Step-by-step explanation:

Negative 2 x + y = 8

5 x minus y = negative 5

-2x + y = 8

5x - y = -5

3x + 0y = 3

3x = 3

skad [1K]3 years ago
3 0

Answer:

x= 1.75 y= 6.75

Step-by-step explanation:

substitution method

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2 years ago
Of the 450 students at Miller Middle School, 38% ride the bus to school. How many students ride the bus to school?
qwelly [4]

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Step-by-step explanation:

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5 0
3 years ago
find the area of the shaded region of circle y below. Round your answer to the nearest tenth if necessary
S_A_V [24]

Answer:

  285.6 square units

Step-by-step explanation:

The shaded area can be described a a whole circle less a 90° segment, or as a 3/4 circle with a right triangle added. The formula for the segment area is that of a sector less the triangle, so the computation is the same either way.

__

<h3>3/4 circle area</h3>

The area of a circle is given by ...

  A = πr²

so 3/4 of a circle is 3/4 this value:

  3/4 circle area = (3/4)(π)(10²) = 75π . . . . square units

<h3>Triangle area</h3>

The area of the isosceles right triangle is given by ...

  A = 1/2s²

  A = 1/2(10²) = 50 . . . . square units

<h3>Shaded area</h3>

The shaded area is the sum of these two ...

  shaded area = 3/4 circle area + right triangle area

  shaded area = 75π + 50 ≈ 285.6 . . . . square units

8 0
2 years ago
Please help URGENT PLEASE I NEED HELP HELP HELP
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Answer: HCA OR ACH

Step-by-step explanation:  

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2 years ago
The population of the US doubles every 35 years. In 1940 the US population was 75 million. What is the current population
maks197457 [2]

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Step-by-step explanation:

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