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Paha777 [63]
3 years ago
5

The perimeter of a rectangle is 24cm. If the length is 7cm, find the width.

Mathematics
2 answers:
gogolik [260]3 years ago
4 0

Answer:

the perimeter of a rectangle = 2(l+b)

length = 7cm

2(7+b) = 24

7+b = 24/2 = 12

b=12-7 = 5

width = 5cm

hope this answer helps you...

kozerog [31]3 years ago
3 0

Answer:

perimeter of rectangle=2(l+b)

24cm = 2(7cm+w)

24cm =14cm+2w

24cm - 14cm = 2w

10cm=2w

10cm/2=w

5cm=width.

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Strike441 [17]

Answer:

I think [(-4)^4]^5, but I'm not completely sure

Step-by-step explanation:

1.0995116e+12 greater than -4.7223665e+21

[(-4)^4]^5=1.0995116e+12

-[(4^12)^3=-4.7223665e+21

7 0
3 years ago
Explain how to isolate the variable in the equation -2/3n + 7 = 15
vodka [1.7K]

Answer:

n = -12

Step-by-step explanation:

(-2/3)n + 7 = 15          

(-2/3)n+7-7 = 15-7               Subtract by 7 on both sides

(-2/3)n = 8                         Multiply by the reciprocal of the fraction, which is                                                                                                  

(-2/3)n*(-3/2) = 8(-3/2)      This makes it so you get n *1 and isolates n.

n = -24/2 = -12

7 0
3 years ago
A cup of cereal can contain 480 milligrams of salt, which is 20% of the recommended daily amount. What is the recommended daily
asambeis [7]
20% goes into 100% 5 times. So you do 480 times 5, which is 2400. So you answer is 2400.
3 0
4 years ago
7 divided by 0.623 no need to explain thx
barxatty [35]

Answer:

11.235955

Step-by-step explanation:

7÷0.623

11.235955

8 0
3 years ago
Read 2 more answers
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aliina [53]

Answer:

y = 3sin(2x+pi)

Step-by-step explanation:

We know that a is equal to 3 because the distance from 3 to the midpoint 0 is 3

We also know that is a phase shift of pi/2 as that is where the new start of our sine function lands

We know there is a compression of 2 as our period has changed from 2pi to pi

So naturally we change pi/2 to pi since we put the 2 inside the parenthesis

Best of luck

4 0
3 years ago
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