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BabaBlast [244]
3 years ago
6

4. Using a scale where 3 inches = 5 feet. If a room measures 20 feet by

Mathematics
2 answers:
andre [41]3 years ago
7 0

Answer:

12 inches by 13.5 inches

Step-by-step explanation:

3 inches=  5 feet

  0.6 inch              = 1 feet

20 feet=12 inches

22.5 feet=13.5 inches

please give me brainliest!!<3

ps: marcy is a really pretty name!

Alika [10]3 years ago
3 0
12 inches by 13.5 inches
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Using the figure below find what m&lt;_7 equals. (show work if possible)
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68

Step-by-step explanation:

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If r = 12 units and x = 13 units, then what is the volume of the cylinder shown above?
ira [324]
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5 0
3 years ago
Ken started a savings account for school. He plans on spending 10% of the money he earns for leisure activities. He needs to hav
uranmaximum [27]

Answer:

$2,400

Step-by-step explanation:

Ken intends to start a savings account

10% = leisure spending

This means 90% = Expenses for school

Let us represent the amount he must save as : x

Hence in other for him to have $2,160 in his savings account, the amount Ken must earn is calculated as:

90/100 × x = $2,160

Cross Multiply

90x = $2,160 × 100

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5 0
3 years ago
Use this system of equations to answer the questions
Over [174]

Answer:

1. To eliminate x-term, multiply the second by -2

2. To eliminate y-term, multiply the second by 3

Step-by-step explanation:

4x - 9y = 7 (1)

-2x + 3y = 4 (2)

1. To eliminate x-term, multiply the second by -2

-2x + 3y = 4 (2) × 2

-4x + 6y = 8 (3)

4x - 9y = 7 (1)

Add (3) and (1)

6y - 9y = 8 + 7

-3y = 15

y = 15/-3

y = -5

4x - 9y = 7 (1)

4x - 9(-5) = 7

4x + 45 = 7

4x = 7 - 45

4x = -38

x = -38/4

x = -9.5

4x - 9y = 7 (1)

-2x + 3y = 4 (2)

2. To eliminate y-term, multiply the second by 3

-2x + 3y = 4 (2) × 3

-6x + 9y = 12 (3)

4x - 9y = 7 (1)

-6x + 4x = 12 + 7

-2x = 19

x = 19/-2

x = -9.5

4x - 9y = 7 (1)

4(-9.5) - 9y = 7

-38 - 9y = 7

-38 - 7 = 9y

-45 = 9y

y = -45/9

y = -5

6 0
2 years ago
Read 2 more answers
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