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3 years ago

Sue downloaded 20 songs for $25.00. What was the cost per song?

Mathematics

1 answer:

Jet001 [13]3 years ago

7 0

Answer: One song costed (if that's a word)

$1.25

Step-by-step explanation:

25.00 divided by 20 is 1.25

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Solve for X:<br> X + 25 = 45

tamaranim1 [39]

Hello!

All you have to is isolate the X variable :)

X + 25 = 45
X = 45 - 25

X = 20

I hope this helps :))

5 0

3 years ago

Read 2 more answers

Find the simple interest on 500 at 6% for 1 year

ololo11 [35]

Answer:

Interest = $30

Step-by-step explanation:

Formula:

I = prt or I = p · r · t

So:

I = p r t

I = ($500)(.06)(1) <--- Just multiply all of these numbers and you get the final answer of:

Interest = $30.00 or just $30

8 0

3 years ago

The ratios of the measures of the angles in a triangle is 3:10:7. Find the measure of the smallest angle. Just write the numeric

Burka [1]

Answer to written question:
3x + 10x + 7x = 180
Combine like terms
20x = 180
Divide by 20
x = 9
Smallest angle 3x = 3*9 = 27 degrees

Answer to question in picture:
30/6x-2 = 36/5x + 13
Cross multiply
30(5x + 13) = 36(6x-2)
Distribute
150x + 390 = 216x - 72
Subtract 150x
390 = 66x - 72
Add 72
462 = 66x
Divide by 66
x = 7

5 0

2 years ago

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The decimal .67 can be written as which fraction? A) 67 10,000 B) 67 1,000 C) 67 100 D) 67 10

ss7ja [257]

That would be C because there are two zeros right?
So you move two decimal places from 67.
And you get 0.67

5 0

3 years ago

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On a quiet day without many witnesses, a 4.5 ft victim was shot by a sniper that was in a tower 780 ft away. If the angle of ele

azamat

Answer:

68.17m

Step-by-step explanation:

Please see attached a rough sketch of the scenario

Step one:

Given data

Height of victim= 4.5ft

The horizontal distance of the snipper from the building = 780ft

The angle of elevation= 5 degrees

Required

The vertical distance

The opposite= the vertical distance

789 ft = the adjacent

Step two:

Applying SOH CAH TOA

tan ∅= opp/adj

tan 5= opp/780

cross multiply we have

0.0874= opp/780

cross multiply we have

0.0874*780= opp

opp= 68.17m

The sniper shoots from a vertical distance of 68.17m

8 0

2 years ago