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sergey [27]
3 years ago
6

5x - 7= 3??? plz help

Mathematics
2 answers:
Leya [2.2K]3 years ago
6 0

Answer:

x = 2

Step-by-step explanation:

5x - 7 = 3

    + 7     +7       -7 cancels

5x = 10

/5      /5   5 cancels and you're left with x

x  =  2

Oliga [24]3 years ago
3 0

Answer:

x=2

Step-by-step explanation:

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Two consecutive perfect squares have a difference of $99$. what is the value of the larger perfect square?
Fofino [41]

Answer:

2500

Step-by-step explanation:

Let the first square number be x^2 then the next square number is (x+1)^2.

The difference between these two consecutive numbers is 99.

This implies that:

(x+1)^2-x^2=99

We expand to get:

x^2+2x+1-x^2=99

Simplify:

2x=99-1

2x=98

Divide both sides by 2

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Therefore the value of the larger perfect number is

(49+1)^2=50^2=2500.

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago
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dsp73
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How many 1/3 inch cubes does it take to fill a box with width 2 2/3 inches, lengths 3 1/3 inches, and height 2 1/3 inches?
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