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Alja [10]
3 years ago
10

The area of a rectangle is 4 2 square inches. The length is 7 inches. What is the perimeter of the rectangle?

Mathematics
1 answer:
77julia77 [94]3 years ago
5 0

Answer: 26

Step-by-step explanation:

Area of a rectangle is length times width.

The area, 42, divided by the length, 7, is 6.

2 sides of the rectangle are 7, so the other 2 are 6.

6+6+7+7=26. The perimeter is 26.

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HELP PLEASE!!! I am doing my math and I need someone to help me with this problem. I am very confused and my family is gone on a
yanalaym [24]

Answer:

1) 250 meters= 0.25 km

2) 12 meters=  0.012km

3) 1 meter= 0.001 km

The constant of proportionality is 1000 meters in 1km (1000 meters)

I think there’s a mistake on the second part because 1 meter does not equal to 1000km. but I did part 1 for you!

4 0
3 years ago
Which could be a step used when solving the equation 5x + 10 = 7.5x
svlad2 [7]

Answer:

x = 4

Move variables to the right and constants to the left. Then divide.

Step-by-step explanation:

5x + 10 = 7.5x (Given)

-2.5x = -10 (subtraction property of equality)

x = 4 (division property of equality)

6 0
2 years ago
Read 2 more answers
Curtis is twice as old as his brother Jonathan. Olivia is six years younger than Jonathan. The sum of their ages is 58 years.
liraira [26]
C=2 times j
c=2j
o=j-6
c+j+o=58

subsitte j-6 for o and 2j for c

2j+j+j-6=58
4j-6=58
add 6 to both sides
4j=64
divide both sides by 4
j=16

sub back


c=2j
c=2(16)
c=32

o=j-6
o=16-6
o=10


curtis=32
olivia=10
jonathan=16

equations are
c+j+o=58
c=2j
o=j-6
7 0
3 years ago
Read 2 more answers
Which equation is equivalent to the formula below? <br> Y = A ( X - H) ^2 + K
frozen [14]

Answer:

<em>B. a = y - k/(x-h)² </em>

Step-by-step explanation:

Given the expression y = a (x-h)² + k

First make  a the subject of the formula

Subtract k from both sides

y = a (x-h)² + k

y- k = a (x-h)² + k - k

y - k = a (x-h)²

Divide through by (x-h)²

y - k/(x-h)²  = a

a = y - k/(x-h)²

Hence option B is correct

6 0
2 years ago
Read 2 more answers
7=40/z-1<br> z=<br> what dose the z equal?
monitta

Answer:

z =  \frac{47}{7} = 6 \frac{5}{7}

Step-by-step explanation:

7 =  \frac{40}{z - 1}  \\ 7(z - 1) = 40 \\ 7z - 7 = 40 \\ 7z = 40 + 7 \\ 7z = 47 \\

\boxed{\bold{Answer:{\boxed{\green{\bold{z =  \frac{47}{7} = 6 \frac{5}{7}}}}}}}

┈➤ . . ⇢ ˗ˏˋ⌦ ..♡ˎˊ˗ ꒰✈꒱   

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★ . ꜝꜞ ᳝ ࣪ hope that helped!  ʬʬ

8 0
2 years ago
Read 2 more answers
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