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myrzilka [38]
3 years ago
10

5y + 10x = 0 y = - 3x Plz help me the photo is the directions for the problem

Mathematics
1 answer:
enyata [817]3 years ago
3 0
When substituting, you want to take the y value from one equation and plug it into the y variable in the other equation to find the x value. When you find the c value, you plug the number into one of the equations to get your y value.

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13s - r^2; if r = 9 and s = 6
FromTheMoon [43]

Answer:

27

Step-by-step explanation:

r = 9

s = 6

r^2

= r x r

= 9 x 9

= 81

13s

= 13 x 6

= 108

13s - r^2

= 108 - 81

= 27

8 0
2 years ago
Read 2 more answers
Which lines are parallel to 8x + 4y = 5? Select all that apply.
Dvinal [7]

Answer:

A , B , C

Step-by-step explanation:

1) find the slope of the given line

slope = (-a/b) = (-8/4) = -2

two parallel lines have the same slope

A : correct

B : (-a/b) = -16/8 = -2 (correct)

C : correct

D : wrong (2 is different from -2)

5 0
2 years ago
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Find the diameter of a circle if the radius is equal to 8?
Andru [333]
The diameter is 16 so that is the answer<span />
8 0
3 years ago
Pls find the area to the second power.
Tom [10]
First of all gall, the end is NOT an exponent, its the unit of measurement for finding the area (thats square units)

Heres the answer:
31.5 square units.
Explanation:
The formula for the area of a triangle is bh/2
The formula for the area of a triangle is bh
(Use this formula and try to find the real explanation)
3 0
3 years ago
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Find the area of a circle that has a radius of 9 mm. Use 3.14 for π.
melisa1 [442]

Answer: 254,34 mm².

Step-by-step explanation:

S{circle}=\pi R^2\\S{circle}=3,14*9^2\\S{circle}=3,14*81\\S{circle}=254,34\  mm^2.

7 0
1 year ago
Read 2 more answers
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