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Vilka [71]
3 years ago
5

Tanida wants to buy a new circular rug for her rectangular bedroom. The area of her room is 120 ft. The radius of the rug is 5ft

. Does Tanida have enough space for a rug ?
Mathematics
1 answer:
hram777 [196]3 years ago
4 0
The answer to that will be 600ft
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The circumference of the inner circle is 44 ft. The distance between the inner circle and the outer circle is 3 ft. By how many
Citrus2011 [14]

Answer: 18.86 feet

Step-by-step explanation:

The formula for determining the circumference of a circle is expressed as

Circumference = πD

Where D represents the diameter of the circle.

The circumference of the inner circle is 44 ft. It means that

22/7 × D = 44

22D = 7 × 44 = 308

D = 308/22

D = 14 ft

The distance between the inner circle and the outer circle is 3 ft. This means that the diameter of the outer circle would be

14 + 3 + 3 = 20 ft

Circumference of the outer circle is

22/7 × 20 = 62.86 ft

The number of feet by which the circumference of outer circle is greater than the circumference of the inner circle is

62.86 - 44 = 18.86 feet

5 0
3 years ago
A math class has 3 girls and 7 boys in the 7th grade and 5 girls and 5 boys in the 8th grade the teacher randomly selects a seve
Minchanka [31]
In the 7th and 8th grade combined, there 3+5 girls = 8 girls, and 7+5 boys = 12 boys. If there are only boys and girls, then there are 12+8=20 students in all. 

The fraction of girls out of the total is P = 8/20 = 2/5.
8 0
3 years ago
Use a rectangular array to write the product in Standard form 2(x+10=?​
Sladkaya [172]

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7 0
3 years ago
Line l is parallel to line m. the slope of the line l is 2/7. what is the slope of line m ?
motikmotik
The slope of line m is also 2/7 because they are parallel so they have the same slope
7 0
3 years ago
What is the slope shown below?
UkoKoshka [18]

Answer:

A

Step-by-step explanation:

To calculate the slope m use the slope formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (- 3, - 7) and (x₂, y₂ ) = (9, 1) ← 2 points on the line

m = \frac{1+7}{9+3} = \frac{8}{12} = \frac{2}{3}

7 0
3 years ago
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