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natka813 [3]
3 years ago
5

The width of a rectangle measures (3s+t) centimeters,and it’s length measures (3s-9t) centimeters. Which expression represents t

he perimeter,in centimeters of the rectangle ?
Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
3 0

Answer:

12s - 16t

Step-by-step explanation:

2(3s + t) + 2(3s - 9t)

6s + 2t + 6s - 18t

12s + 2t - 18t

12s - 16t

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What is the proportional relationship show in 8 tablespoons of honey for every 10 cups of flour.
elena55 [62]

Answer:

4 : 5

Step-by-step explanation:

8 : 10

4 : 5

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6 0
3 years ago
Solve x for -2x- 1 = -7
Lesechka [4]

Answer:

x = 3

Step-by-step explanation:

Add 1 on both sides.

We get:

-2x = -6

Now divide -6 by -2...

-6/-2 = 3

6 0
3 years ago
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The following scatter plot demonstrates that there is no correlation between the two quantities. True or False? [Picture attache
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Thats a random scatter. can't see any pattern. so, True.
4 0
3 years ago
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The area of a rectangle is 243.9 m2. If the length is 15 m, what is the perimeter of the rectangle?
patriot [66]

Step-by-step explanation:

Given

Area of rectangle (A) = 243.9 m²

Length (L) = 15 m

first calculating the breadth (b)

We know

L * b = A

15 * b = 243.9

b = 243.9/ 15

b = 16.26 m

Now

Perimeter (p)

= 2 ( L + b)

= 2 ( 15 + 16.29)

= 62.58 m

Hope it will help

3 0
3 years ago
A triangle has two sides with lengths 31 centimeters and 39 centimeters. Which best describes the length of the third side? A. l
PilotLPTM [1.2K]

Answer:

D. greater than 8 cm and less than 70 cm

Step-by-step explanation:

Given:

Length of one side = 39 cm

Length of other side = 31 cm

We need to find the length of third side.

Solution:

to find the length of third side we will use triangle Inequality property which states that;

"The length of the third side should be less than sum of the other two side."

Also;

"The length of the third side should be greater than difference of the other two sides."

Now Sum of 2 sides of triangle = 39 + 31 =70 cm

Also Difference of 2 side of triangle = 39 -31 = 8 cm

Hence The length of the third side should be greater than 8 cm and less than 70 cm.

8 0
3 years ago
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