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kompoz [17]
3 years ago
14

Farah found 7 rolls of teal ribbon and blue ribbon. Each roll of teal ribbon was 1 meter long and each roll of blue ribbon was 7

meters long. If Farah found 37 meters of ribbon in total, how many rolls of each color did she find?
Mathematics
1 answer:
Alenkasestr [34]3 years ago
6 0

Answer:

Blue: 5 rolls

Teal: 2 rolls

Step-by-step explanation:

1 x T + 7 x B = 37

T + B = 7

(7 - B) + 7B = 37

7 + 6B = 37

6B = 37 - 7 = 30

B = 5

T = 2

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3 years ago
Is -1 a rational number.
nata0808 [166]

Answer:

Yes it is a rational number

Step-by-step explanation:

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4 0
3 years ago
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Joe is looking for a new laptop case. His computer is 18 x 13.5 inches. What is the perimeter and area of the laptop case?
sineoko [7]

Answer:

Perimeter =63 inches

Area = 243in²

Step-by-step explanation:

Given data

Length of computer = 18in

Width of computer = 13.5in

From the given data the computer has a rectangular shape

Perimeter of the computer = L+L+W+W= 2L+2W

Perimeter = 2(18)+ 2(13.5)

Perimeter = 36+27=63 inches

Area of rectangular shape = L*W

Area = 18 x 13.5= 243in²

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3 years ago
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Adam and Brianna plan to install a new tile floor in a classroom. Adam works at a constant rate of 50 tiles per hour, and Briann
natima [27]

Answer:

t≅13.33h

Step-by-step explanation:

Adam (A) works at constant rate of 50tiles/h

Briana (B) works at constant rate of 55tiles/h, this means that A=50 tiles per hour and B=55 tiles per hour, then A+B = 105tiles/h together, but the floor consists of 1400tiles, so if 105 tiles are installed in one hour, then 1400 tiles in how long they will be installed?

t = 1400tiles*h/105tiles≅ 13.33 h

7 0
3 years ago
What two number that are the same have the product of 0.2 and the quotient of 0.8
Pie
Let the numbers be a and b, then ab=0.2 and a/b=0.8, so a=0.8b. Therefore, 0.8b^2=0.2 and b^2=0.2/0.8=2/8=1/4 and b=+1/2 or +0.5 and a=+0.8*0.5=+<span>0.4. The two numbers are therefore 0.5 and 0.4 or -0.5 and -0.4. The quotient is 0.4/0.5</span>
3 0
3 years ago
Read 2 more answers
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