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nikdorinn [45]
3 years ago
8

Is 2 (x-y) and 2x-2y equivalent

Mathematics
1 answer:
MArishka [77]3 years ago
4 0

Answer:

yes

Step-by-step explanation:

2(x-y) you distribute the 2 to whats inside the parenthesis

2x-2y

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What is the quotient of a-3 over 7 divided by 3-a over 21
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Answer:

=−3

Step-by-step explanation:

=17a+−37−121a+17

=21(a−3)7(−a+3)

=−3

3 0
3 years ago
Fiona has a box with 5 red buttons and 9 blue buttons.She randomly selected one button, took it out of the box, then selected an
leonid [27]

Answer:

B. 10/91

Step-by-step explanation:

Box has 5 red buttons and 9 blue buttons.

We add 5 and 9 to get the total buttons.

5 + 9 = 14

Then, we find the probability for a red button.

5/14 = .35

Now, that we've taken out 1 button.

The amount of buttons available changes.

14 - 1 = 13

There are 4 red buttons remaining.

The probability for a red button changes to 4/13.

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Then, we multiply both probabilities.

.30 x .35 = .111

Convert to a fraction.

.111 = 10/91

Thus it would be B.

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3 years ago
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Answer:

8 candle = $12.96

1 candle =($12.96/8)

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: =$4.86

4 0
3 years ago
What is the area of a circle with a radius of 9 cm? (Express your answer using π.)
jekas [21]
Area of a circle= <span>π * r^2
<span>π*9^2
</span>π*81= 81<span>π
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4 0
3 years ago
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A car travels at an average speed of 48 miles per hour. How long it take to travel 156 miles
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Answer:

3.25 h = 3 h 15 m

Step-by-step explanation:

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3 years ago
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