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Naddika [18.5K]
3 years ago
13

What is x+(x+70)+28=180

Mathematics
1 answer:
vazorg [7]3 years ago
8 0

Answer:

41

Step-by-step explanation:

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When a number decreased by 10% the result in 63. What is the number?
Ugo [173]
The number is 69.3 because percent means 0.01, so 10 x 0.01 = 1.1
so 1.1 x 63 = 69.3. you can also do 63 x 10% = 69.3.
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3 years ago
The number 512 is a perfect cube because 512 = 83.
alexgriva [62]

Step-by-step explanation:

the number which is a perfect cube :

125, because 125 = 5³

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3 years ago
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Two girls scout troops are completing a wilderness campout. Use the information to answer the questions. The Blue Tripp hikes 2/
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Answer:

Kindly check explanation

Step-by-step explanation:

Given the following :

Blue tripp:

Hikes 2/3 miles every 1/2 hour

Yellow troop:

Hikes 3/4 miles every 1/3 hour

How long does it take each troop to walk 1 1/2 miles, 1/2 mile, and 3/4 mile?

To hike 1 1/2 miles

Blue troop:

2/3 miles = 1/2 hours

3/2 miles = x

2/3x = 3/4

x = 3/4 * 3/2

x = 9/8 = 1 1/8 hours

Yellow troop:

3/4 = 1/3 hours

3/2 = x

3/4x = 3/6

x = 3/6 * 4/3

x = 12/18 = 2/3 hours

To hike 1/2 mile :

Blue troop:

2/3 miles = 1/2 hours

1/2 miles = x

2/3x = 1/4

x = 1/4 * 3/2

x = 3/8 hours

Yellow troop:

3/4 = 1/3 hours

1/2 = x

3/4x = 1/6

x = 1/6 * 4/3

x = 4/18 = 2/9 hours

To hike 3/4 miles :

Blue troop:

2/3 miles = 1/2 hours

3/4 miles = x

2/3x = 3/8

x = 3/8 * 3/2

x = 9/16 hours

Yellow troop:

3/4 = 1/3 hours

3/4 = x

3/4x = 3/12

x = 1/4 * 4/3

x = 4/12

x = 1/3 hours

4 0
3 years ago
The probability of drawing a heart from a standard deck of 52 playing cards is 1/4 . The probability of drawing a face card from
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You would multiply 13/52 by 13/51 which you should receive an answer of 13/204
8 0
3 years ago
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A runner moves 132m in 18s. How fast is the runner running?
Alex17521 [72]

Answer:

7.33 mps

Step-by-step explanation:

1'st step: divide 132m divided by 18s= 7.33 mps

5 0
4 years ago
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