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3 years ago

The perimeter of a rectangular slab of concrete is 24 meters. If the length of the

Mathematics

2 answers:

-Dominant- [34]3 years ago

5 0

It cant be 5 the length has to bw 10

Jet001 [13]3 years ago

3 0

The perimeter = 2*length + 2*width = 2L + 2W = 24

also as length = width + 2 we can write the equation L = W+2

now replace the L in the first equation by W+2, we get:-

2(W+2) + 2W = 24

solve for W:-

2W + 4 + 2W = 24
4W = 24-4 = 20

W = 20/4 = 5

width = 5 meters.

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6(x-2)=5x+3x+8 solve for x.

Mnenie [13.5K]

Answer:

x = -10

Step-by-step explanation:

6 • (x - 2) - (8x + 8) = 0

Pulling out like terms :

3.1 Pull out like factors :

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Equation at the end of step 3 :

-2 • (x + 10) = 0

Equations which are never true :

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This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation :

4.2 Solve : x+10 = 0

Subtract 10 from both sides of the equation :

x = -10

One solution was found :

x = -10

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2 years ago

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andrezito [222]

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2 years ago

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ms. eskew's class had a class average of 77 % on their math test. how would this be written as a ratio? a. 23:100 b. 77:100 c. 5

valina [46]

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2 years ago

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vfiekz [6]

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