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liubo4ka [24]
3 years ago
8

The table shows a proportional relationship between x and y. What is the unit rate of y per x? A)1 B)2 C) 4 D)5

Mathematics
1 answer:
ozzi3 years ago
5 0

Answer:

D)5

Step-by-step explanation:

2×5=10

2×5=20

6×5=20

8×5=40

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7-8x+4y+18-3x-y simplify​
Katyanochek1 [597]

Answer:

-11x +3y + 25

Step-by-step explanation:

7-8x+4y+18-3x-y

= -8x-3x +4y-y +18+7 (putting like terms together)

= -11x +3y + 25 (Adding like terms)

7 0
3 years ago
X^2+20x+c find the value of c that makes a perfect square trinomial
ollegr [7]

Answer:

This means c=100. The factored form is (x+10)^2.

Step-by-step explanation:

A perfect square is a trinomial that factors into the form (x+a)^2. To find the value of C to finish the perfect square divide 20 by 2 and square it.

20/2 = 10

10*10=100

This means c=100. The factored form is (x+10)^2.

3 0
3 years ago
The diameter of a circle is 4 m. Find its area in terms of π
Firdavs [7]

Answer:

should be 12.56

Step-by-step explanation:

the formula to find the area of a circle is A= πr2

so what you do is mulitply 3.14 ( number of pi) times radius  (half of what the diameter is) squared which is the radius times the radius

3.14 x 2 x 2 + 12.56

8 0
3 years ago
I made 2 calls and was on the phone for a total of 46 minutes. One call  was 10 mins. longer than the other. How long was each c
wlad13 [49]
The one call that was ten min more is 56 min
7 0
3 years ago
Read 2 more answers
1. What is the solution of the system
sasho [114]

Answer:

C

Step-by-step explanation:

3x-y=14

4x+y=21

add

7x=35

x=35/7=5

4×5+y=21

y=21-20=1

so (5,1 ) is the solution.

8 0
3 years ago
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