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Amiraneli [1.4K]
3 years ago
13

A local church has a rectangular fellowship room that it will expand by increasing the

Mathematics
1 answer:
Dvinal [7]3 years ago
5 0

Answer:

perimeter of new room = 2[(l+20)*b]

Step-by-step explanation:

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The perimeter of a rectangular herb garden is 74 feet. If the length is 5 feet longer then 3 times it’s width what is the garden
NemiM [27]

Answer:

width = 8 feet and length = 29 feet

Step-by-step explanation:

perimeter of a rectangle P = 2(L + W)

width W = x

length L = 3x + 5

P = 74 feet

74 = 2(3x + 5 + x)

37 = 3x + 5 + x

37 = 4x + 5

4x = 37 -5

4x = 32

x = 8

W = 8 feet

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3 years ago
8/5÷3=______<br>Answer in a fraction form <br><br>PLZ HELP ME​
faltersainse [42]
8/5 divided by 3 in fraction form is 8/15
8 0
3 years ago
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A larger number is 2 more than 4 times a smaller number. The larger number is also 8 more than 2 times the smaller number.
pogonyaev

Answer:

see the explanation

Step-by-step explanation:

Let

x ----> the smaller number

y ----> the larger number

we know that

A larger number is 2 more than 4 times a smaller number

<u><em>Identify the key words</em></u>

is (=)---> equal

more (+) ---> addition

times (*) ---> multiplication

That means

The larger number y is equal  to multiply the smaller number x by 4 and then adds 2

so

y=4x+2 ----> equation A

The larger number is also 8 more than 2 times the smaller number

<u><em>Identify the key words</em></u>

is (=)---> equal

more (+) ---> addition

times (*) ---> multiplication

That means

The larger number y is equal  to multiply the smaller number x by 2 and then adds 8

so

y=2x+8 ----> equation B

Solve the system of equations by substitution

equate equation A and equation B

4x+2=2x+8

4x-2x=8-2\\2x=6\\x=3

Find the value of y

substitute the value of x in equation A or equation B

y=4(3)+2=14

therefore

The smaller number is 3 and the larger number is 14

5 0
3 years ago
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Jeremy can stand on one leg for 3.8 minutes. Express that time in seconds.
Salsk061 [2.6K]

Answer:

He can stand on one leg for 228 seconds.

Step-by-step explanation:

You multiply the 3.8 seconds by 60.

So, 3.8 * 60 = 228

Hope this helps :)

7 0
3 years ago
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What is this math question -22a =462
Lerok [7]

Answer:

<em>a = </em><em>-21</em>

Step-by-step explanation:

<em>-22 x -21 = </em><em>462</em>

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