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AlexFokin [52]
4 years ago
6

A rectangle has a perimeter of 18. if the length is 4, what is the width?

Mathematics
2 answers:
dezoksy [38]4 years ago
7 0
The width is 5. The formula is 2l+2w. If the length is 4 the width must be 5
2(4) + 2(5)= 18
8+10=18
18=18
kompoz [17]4 years ago
5 0

Answer:5

Step-by-step explanation:

2 x length + 2 x width = perimeter of rectangle.

you know the total is 18

(2 x 4) x 2w = 18

8 x 2w = 18

2w = 10

w = 5

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By how much is the product of 27 and 13 greater than their sum?
iragen [17]
Well its quite simple...
the product of 27 and 13 is 351 (which is found by multiplying 27 and 13)
and the sum of 27 and 13 is 40 (which is found by adding 27 and 13 together)

therefore to work out the difference you have to do:
351 - 40 which equals 311

so 311 is your answer 
8 0
3 years ago
Read 2 more answers
Nara got two new plants for her apartment. Each plant grew at a constant rate.
stira [4]

Answer:

Which plant was taller when Nara got the plants? C. They were equally tall

Which plant grew faster?  B. The second plant

Step-by-step explanation:

Slope of the first plant :

m = (y2 - y1)/(x2- x1)

m = (36 - 34)/(15 - 10) = 0.4

y-intercept of the first plant :

y = m*x + b

b = y1 - m*x1

b = 34 - 0.4*10 = 30

From the picture we can see that the y-intercept of the second plant is 30 cm

Y-intercept represents plant heights when Nara got the plants; then they were equally tall

From the picture we can see that second plant grew 2 cm in 2 days; then its slope is 2/2 = 1

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7 0
3 years ago
Find the x intercept and y intercept for 6x-2y=18 . provide an explanation and show steps
allochka39001 [22]

Answer:

The slope intercept form would be y = 3x - 9

Step-by-step explanation:

To find this slone in slope intercept form, all we need to do is solve for y.

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-2y = -6x + 18 ----> Divide both sides by -2

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3 0
4 years ago
Find the amount accumulated after investing a principle P for T years at an interest rate compounded k times per year.
BartSMP [9]
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3500(1+.0125) ^{40}
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25300(1+.00375) ^{300}
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Hope that helps.  Feel free to ask any questions
8 0
4 years ago
Find the measure of each missing angle
nirvana33 [79]

Answer:

m<1 = 87

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Step-by-step explanation:

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5 0
3 years ago
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