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Oksanka [162]
3 years ago
14

A rectangle has the width of r+3 and a length of 2r+9. What is the perimeter of the rectangle

Mathematics
2 answers:
VikaD [51]3 years ago
5 0
There are 4 sides to a rectangle and there are 2 sets of parallel sides equal in length. To calculate the perimeter you need to do 2(r+3) + 2(2r+9) which equals 6r+24. Hope this helps.
Alina [70]3 years ago
4 0

Answer:

6r+24

Step-by-step explanation:

2(r+3)=2r+6

2(2r+9)=4r+18

(2r+6)+(4r+18)=6r+24

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Paraphin [41]
What is the question
4 0
3 years ago
I only have a picture so you get a better image
Likurg_2 [28]

Answer:

(15,16)

Step-by-step explanation:

C=halfway between A to B

A to B on the x axis goes across by 24

24/2 =12

3+12=15

A to B on the y axis goes up by 28

28/2 = 14

2+14=16

(15,16)

6 0
3 years ago
Read 2 more answers
What is the slope of the line that passes through the points (3, -4) and (7, 4)?
Andrews [41]
The correct option is: Option (C) 2

Explanation:

The slope formula is = m = \frac{y_2 - y_1}{x_2 - x_1}

Insert the values in the above formula:

m = \frac{4 - (-4)}{7 - 3} =  \frac{8}{4} = 2

Which is Option (C).
6 0
3 years ago
Need help on num 15
Yakvenalex [24]

Answer:

D

Step-by-step explanation:

D's equation shows y equals 7.8 times x. 7.8 is the unit rate.

8 0
3 years ago
5 more than d.<br> (Need answer ASAP)
densk [106]

Answer: 5+d

Step-by-step explanation:

More means adding and it doesn't matter which order you put it in in adding.

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