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galben [10]
2 years ago
14

Joel made a scale drawing of a boarding school. A building at the school is 16 millimeters wide in the drawing. The actual build

ing is 20 meters wide. What is the scale of the drawing?
Mathematics
1 answer:
AURORKA [14]2 years ago
5 0

Answer:

Step-by-step explanation:

.8 millimeters :1 meters

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A circular garden has a circumference of 63 yards. Lars is digging a straight line along a diameter of the garden at a rate of 5
Harrizon [31]

Answer:

4 hours

Step-by-step explanation:

If the circumference of the circular garden =63 yards

Circumference of a Circle =2πr=πd (d=diameter)

Therefore:

πd= 63

diameter of the circular garden =63/3.14=20 yards

If he digs at a rate of 5 yards per hour, the time required to dig across the garden will be:

20 yards/5 yard per hours = 4 hours

It will take him 4 hours to dig across the circular garden.

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3 years ago
Help fast no links !! Scott wishes to make a line plot of the heights in inches for a
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Answer:

c

Step-by-step explanation:

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8 0
2 years ago
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Find the standard deviation for the following data (20, 30, 38, 40)
Pepsi [2]
C) 7. 133 I believe.....
5 0
3 years ago
Will mark as Brainliest...
tatiyna

Answer:

280 ft squared

Step-by-step explanation:

To find the area of the nonshaded portion, we can find the area of the entire floor and then subtract the shaded area.

The total area is that of a rectangle: 30 * 15 = 450 ft squared.

Now, the shaded region is made up of a rectangle and a triangle.

- The rectangle has length 8 and width 10, so its area is 10 * 8 = 80 ft squared.

- The triangle has base 12 and height 15, so using the area of a triangle formula: A=(bh)/2 (where b is the base and h is the height) = (12 * 15)/2 = 180/2 = 90 ft squared.

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Subtract 110 from 450: 450 - 170 = 280 ft squared.

Thus, the answer is 280 ft squared.

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8 0
3 years ago
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a number is multiplied by 3 and then 7 is added.The result is doubled ,giving the answer 80.Using n to represent the original nu
Darina [25.2K]

Answer:

2(n*3 + 7) = 80

Step-by-step explanation:

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n*3 = 33

n = 11

5 0
3 years ago
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