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gayaneshka [121]
3 years ago
10

Y=x+4, 2x+y=13 solve the following system of equation. Please help

Mathematics
1 answer:
alexandr1967 [171]3 years ago
7 0
Well you have to subtract -2 to both sides and it well look like Y= -2+13 and then y=x+4
You might be interested in
What is the area in terms of pi
svetoff [14.1K]

Answer:

<h2>C = 70π cm</h2><h2>A = 2,450 cm²</h2>

Step-by-step explanation:

The perimeter of the given figure is equal to the circumference of whole circle.

The formula of a circumference of a circle:

C=\pi d

d - diameter

We have d = 70 cm. Substitute:

C=70\pi\ cm

The area of given figure is equal to the area of rectangle 70cm × 35cm.

(look at the picture).

The area of a rectangle:

A=(70)(35)=2,450\ cm^2

4 0
3 years ago
A cube has an edge length of 9 meters. What is its volume, in cubic meters?
rjkz [21]
<h3>Answer:  729 cubic meters</h3>

Work Shown:

volume = side*side*side

volume = 9*9*9

volume = 729

A slight shortcut would be to say 9^3 = 729

8 0
2 years ago
Solve: 3x - 1 = 8(x + 1) + 1
amm1812

Answer:

x=-2

Step-by-step explanation:

3x-1=8x+8+1

3x-1 = 8x+9

3x-1+1=8x+9+1

3x= 8x+10

3x-8x=8x+10-8x

-5x=10

-5x ÷-5

10 ÷-5

x=-2

6 0
2 years ago
Find the area of the circle r=6 ft 113.04 ft2, 9.42 ft2, 28.26ft2, 37.68 ft2, 18.84 ft2
nadya68 [22]

Answer:

113.04ft^2

Step-by-step explanation:

Like before A=\pi  r^2\\=\pi 6^2\\=113.04ft^2

6 0
2 years ago
Mrs.Alvarez bought a new car her monthly payments are $525.If she will pay a total of $25,200 in payments,write and solve a mult
yaroslaw [1]
525 * N = 25200

you can solve it i expect.
5 0
2 years ago
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