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dmitriy555 [2]
2 years ago
13

Do these rates form a proportion? Defend your answer. 66 songs: 6 hours 22 songs: 2 hours

Mathematics
1 answer:
xenn [34]2 years ago
8 0

Answer:

They form a proportion

Step-by-step explanation:

Take 66 songs and divide by 6 hours

66/6 = 11 songs per hour

Take 22 songs and divide by 2 hours

22/2 = 11 songs per hour

The rates are the same so they a proportional

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Plz help i dont have much time
Kryger [21]

Answer:

I believe it's asking for the additive inverse so,

1. 5

2. -28

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4. -0.875

5. 0

6. 8,003

Step-by-step explanation:

hope this is what u need

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3 0
2 years ago
Read 2 more answers
Write in standard form the equation of a line that is perpendicular to 2x-5y=7 and has the same y- intercept as the line 7x-2y=-
LekaFEV [45]

Answer:

5x + 2y = 9

Step-by-step explanation:

Find the slope of the line that is perpendicular to 2x - 5y = 7 :

m= \frac{-5}{2}

Find the y - intercept of the function:

b = \frac{9}{2}

substitute m= \frac{-5}{2} and b = \frac{9}{2} into y = mx + b :

y =  \frac{-5x}{2} +  \frac{9}{2}

y = 5x + 2y = 9

6 0
2 years ago
Find the value of k. 4/7k = 3/4
Gnesinka [82]
Ok sure I can find k

It is 21/16
8 0
3 years ago
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Robert wants to buy an oven that costs 1000$ including taxes. , to pay for the oven, he will use a payment plan. He makes a down
natka813 [3]

Answer:

15% increase

Step-by-step explanation:

If Robert uses the payment plan then he will pay"

Down Payment - $250

6 months of 150 - 6*$150 = 900

In total he pays $1150.

To find the percent increase/decrease:

1. Subtract the original value from the new value.

2. Divide by the original value.

3. Multiply the decimal by 100 to convert to a percent.

1150 - 1000 = 150

150/1000 = 0.15

0.15*100 = 15%

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3 years ago
Simplify by dividing negative three over eight divided by five over nine
Gennadij [26K]
I got -27/40 or -0.675
5 0
3 years ago
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