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Alenkinab [10]
3 years ago
8

If x=3, Solve, -3x +4 *

Mathematics
2 answers:
cricket20 [7]3 years ago
4 0

Answer:

-5

Step-by-step explanation:

-3 times 3 = -9 then add 4 and u get -5

eduard3 years ago
3 0

Answer:

-5

Step-by-step explanation:

3x -3 = -9 + 4 = -5

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9. Is the rate below a unit rate? Explain.<br> 60 miles<br> 3 gallons<br> Answer quick plzzz
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Answer: 20 miles/1 gallon would be the unit rate so NO 60 miles/3 gallons is not the unit rate

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8 0
2 years ago
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Filipo is building a rectangular sandbox . The length of the sandbox is 1 foot longer than twice the width of the sandbox .the p
Alla [95]

Answer:

Part A : D.) 2w + 2(2w+ 1) = 29

Part B : Length of the sandbox is 10 feet.

Step-by-step explanation:

Given,

Perimeter = 29 ft

We need to find the equation for the perimeter and also the length of the sandbox.

Solution,

Let the width of the sandbox be 'w'.

Now as per question said;

The length of the sandbox is 1 foot longer than twice the width of the sandbox.

So we can say that;

Length = 2w+1

Now we know that the perimeter is equal to the sum of twice of length and width.

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Now we solve for 'w'.

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Subtracting both side by '2' we get

6w+2-2=29-2\\\\6w=27

Dividing both side by 6 we get;

\frac{6w}{6}=\frac{27}{6}\\\\w=4.5\ ft

Width of the sandbox = 4.5 ft

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