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son4ous [18]
3 years ago
6

How much is twice the size if im 3 ft 7 in tall​

Mathematics
1 answer:
Natasha2012 [34]3 years ago
5 0

Answer:

the answer is 7.1 inches tall

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A rectangle whose perimeter is 110 feet. The length is 4 times as long as the width. Find the length and the width.
madreJ [45]
Set up a system of equations.
l=4w
2l+2w=110

Substitute l in to the second equation.
2(4w)+2w=110
8w+2w=110
10w=110
w=11

Substitute w back into the first equation.
l=4(11)=44

So, the length is 44 feet and the width is 11 feet.

Hope this helped!
8 0
3 years ago
Describe what is being done in each step while solving the equation. Match each step with the correct description. HINT: Start w
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1. Original equation
2.Distributive property
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2 years ago
A library charges a late return fee of 3.50 plus $0.15 per day that a book is returned late write a equation to find the total l
joja [24]
The equation would be:

3.50 + 0.15x

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7 0
3 years ago
Miss Lim bought some puzzles for her pupils in the Maths Club. She bought a total
xxMikexx [17]

Answer:

She bought 24 Tangram puzzles

Step-by-step explanation:

Let the number of Tangram puzzles be t and the number of IQ puzzles be i

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cost of all Iq puzzles at a cost of $2 per one is

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so;

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From equation i;

i = 40-t

Substitute into ii

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4t + 80 - 2t = 128

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2t = 48

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6 0
2 years ago
Use subtraction to check addition problems 391+124=551
son4ous [18]

Answer:

391+124=\=551

Step-by-step explanation:

subtract either the 124 or 391 from both sides.

391=427 which means they are not equal. so it has no solution.

3 0
3 years ago
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