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3 years ago

14

Downloading music costs $0.99 per song, plus a registration fee of $25. Which expression represents the total cost to download x

songs?

1 answer:

s2008m [1.1K]3 years ago

7 0

$25.99x

Step-by-step explanation:

As, for 1 song = $0.99 + $25

So, 1 song = $25.99

So, x song = $25.99 multiplied by x

Which is = $25.99x

So answer = $25.99x

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Tyler does squats and pushups. He wants to increase the number of each type of exercise by 20% by the end of the month. He curre

Semenov [28]

Answer:

Tyler currently does 40 squats

Step-by-step explanation:

Tyler does squats and pushups.

<u>Currently:</u>

Number of pushups = 25

Number of squats = x

Total number = 25 + x

<u>After increase:</u>

Number of pishups $=25\cdot (1+0.2)=1.2\cdot 25=30$

Number of squats $=x\cdot (1+0.2)=1.2x$

Total number $=30+1.2x$

If Tyler meets his goal, he will do a total of 13 more squats and pushups than he does now, thus

$(30+1.2x)-(25+x)=13\\ \\30+1.2x-25-x=13\\ \\1.2x-x=13-30+25\\ \\0.2x=8\\ \\2x=80\\ \\x=40$

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3 years ago

600 millimeters of rain fell in 30 minutes what is the unit rate for millimeters per minute

sleet_krkn [62]

600 mm of rain / 30 min = 50 mm of rain per minute

3 0

3 years ago

Which function is the inverse of f Superscript negative 1 Baseline (x) = negative one-half x minus three-halves?

aleksley [76]

I think the answer would be f-1(x)= 1/2x-3/2

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3 years ago

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Help me please. 4x=3y-7:y=4,5,6

bezimeni [28]

If you're looking for the answers it would be x= 5/4, 2, 11/4

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3 years ago

Divide. Reduce the answer to lowest terms.<br><br> 3/7 ÷ 1 1/6

Neko [114]

9514 1404 393

Answer:

18/49

Step-by-step explanation:

Invert and multiply:

3/7 ÷ 1 1/6 = (3/7) ÷ (7/6)

= (3/7)×(6/7) = (3×6)/(7×7)

= 18/49

3 0

3 years ago

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