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pickupchik [31]
3 years ago
9

What percentage is the fraction equal to? A. 30% B. 20% C. 50% D. 40%

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
3 0

Answer:

B

Step-by-step explanation:

20% is equal to the fraction above

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Lin rode her bike 2 miles in 8 minutes. She rode at a constant speed. How
hodyreva [135]

Answer: 4

Step-by-step explanation:

For this question, we have to divide the number 8 by 2.

8 ÷ 2 = 4

Now, we have to take the quotient, 4, and multiply it by 1.

1 x 4 = 4

The answer is 4.

6 0
3 years ago
Substitution method...need help.. started but cant finish
trapecia [35]

Solve either equation for either variable. Since the second one has y on its own, the easiest choice is to solve that for y.

-5x + y = 13   ⇒   y = 5x + 13

Now substitute this into the other equation to eliminate y and rewrite it entirely in terms of x :

-3x + 3y = 3   ⇒   -3x + 3 (5x + 13) = 3

Simplify and solve for x :

-3x + 15x + 39 = 3

12x = -36

x = -3

Substitute this into either original equation to solve for y. Plugging x = -3 into the first equation would give

-3 (-3) + 3y = 3

9 + 3y = 3

3y = -6

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So the solution to the system of equations is (x, y) = (-3, -2).

8 0
2 years ago
Which angles are right? Check all that apply
Hitman42 [59]

Answer:

If I remember correctly, right angles are 90 degree angles. So the answers would be A. B. and C.

Step-by-step explanation:

If you see the little box on the angle, that means it's a 90 degree (right) angle.

5 0
3 years ago
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The dimensions of the following matrix M are 2 x 3.<br><br><br><br> True<br> False
Lostsunrise [7]

Answer:

true, refer to picture for more understanding :)

3 0
3 years ago
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What is the multiplicative rate of change of the exponential function represented in the table
stepan [7]
We are given the following data
x    y
1     4.5
2     6.75
3      10.125
4      15.1875

To get the multiplicative rate of change, we pick out two pairs of data so,
MROC = 6.75/4.5 / (2 - 1)
MROC = 1.5

The answer is 1.5
4 0
3 years ago
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