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snow_lady [41]
3 years ago
6

Janet and Marjorie want to buy rolls of material to line rectangular drapes for their rooms. The rectangular piece of material o

n each roll measures 3 feet by 20 feet. If the total area of the drapes is 150 square feet, how many rolls do they need?
NEED THIS ASAP WITH WORK!!!!!!!!!!!!!!11
Mathematics
1 answer:
Nuetrik [128]3 years ago
4 0

Answer:

They need 2 and 1/2 rolls.

Step-by-step explanation:

Area = length x width

A = l x w

A = 20 x 3

A = 60 ft²

If 60 ft² = 1 roll

What about 150 ft² = ?

= (150 x 1) ÷ 60

= 150 ÷ 60

= 2.5

= 2 and 1/2 rolls

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Which statement is true? A. ABD DBC by SSS B. ABD DBC by SAS C. ABE DBC by SAS D. ABE CBD by SSS
Bumek [7]

Answer:

D. ABE =CBD by SSS.

Step-by-step explanation:

Given that AB = BD and BE = BC, the lengths of AE and CD are equal to each other. Hence, triangles ABE and BCD are congruent by SSS Theorem. The answer is D.

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3 years ago
Which expression is equivalent to -7/9
atroni [7]

The expression from the given options that is equivalent fraction -7/9 is -14/18.

<h3>What is a fraction?</h3>

Fraction can be described as the expression of numbers, which usually have the numerator and the denominator, and this do contains two integers arranged on each other.

From the given fraction,-7/9 if start o test the options by reducing them int their simplest form we will deduced that option B is correct because if we divide 14 by the factor of 2, and 18 by the factor of 2, then it will give us  -7/9 which is a negative value of fraction in the question.

Therefore, option B is correct.

Learn more about fraction at:

brainly.com/question/11562149

#SPJ1

Check the complete options

A. 14/18

B. -14/18

C.21/27

D.35/45

5 0
1 year ago
Which equation accurately represents this statement? Select three options.
atroni [7]

Complete question:

Which equation accurately represents this statement? Check all that apply.

Negative 3 less than 4.9 times a number, x, is the same as 12.8

A: -3-4.9x=12.8

B: 4.9x-(-3)=12.8

C: 3+4.9x=12.8

D: (4.9-3)x=12.8

E:  12.8=4.9x+3

Answer:

B: 4.9x-(-3)=12.8

C: 3+4.9x=12.8

E:  12.8=4.9x+3

Step-by-step explanation:

The word equation can be expressed mathematically as follows

negative 3  → -3

less than 4.9 times a number , x →  4.9 x - (-3)

is same as 12.8  → 4.9 x - (-3) = 12.8

The equation can be expressed as

4.9 x - (-3) = 12.8

when you open the bracket, you multiply  -3 time  - 1 . MInus times minus is equals to plus. so you get

4.9 x + 3 = 12.8

12.8 = 4.9x+3

3 0
4 years ago
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Answer:

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Step-by-step explanation:

If m = miles

And the equation is m = 40g

Then: 140 = 40g

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The car used "3.5" gallons of gas.

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