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Anit [1.1K]
3 years ago
13

The product of 5 and an odd number will end in what value? A. 0 B. 1 C. 3 D. 5

Mathematics
2 answers:
Sidana [21]3 years ago
8 0

<u>Answer:</u> The product of 5 and an odd number will end with the value of 5.

<u>Step-by-step explanation:</u>

We are given a number which is '5'

When we multiply the number '5' with a digit, the unit place will have wither '5' or '0'

When the number getting multiplied by '5' is even (0, 2, 4, 6 or 8), then the units place will have 0.

<u>For Example:</u>  Multiplying 62 with 5, we get, (62 × 5) = 310

When the number getting multiplied by '5' is odd (1, 3, 5, 7 or 7), then the units place will have 5.

<u>For Example:</u>  Multiplying 23 with 5, we get, (23 × 5) = 115

Hence, the product of 5 and an odd number will end with the value of 5.

Vera_Pavlovna [14]3 years ago
7 0
I think C 3. hope I helped
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Step-by-step explanation:

2x+2y=12

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​In order to solve by elimination, coefficients of one of the variables must be the same in both equations so that the variable will cancel out when one equation is subtracted from the other.

2x+2y=12,x−y=2

To make 2x and x equal, multiply all terms on each side of the first equation by 1 and all terms on each side of the second by 2.

2x+2y=12,2x+2(−1)y=2×2

Simplify.

2x+2y=12,2x−2y=4

Subtract 2x−2y=4 from 2x+2y=12 by subtracting like terms on each side of the equal sign.

2x−2x+2y+2y=12−4

Add 2x to −2x. Terms 2x and −2x cancel out, leaving an equation with only one variable that can be solved.

2y+2y=12−4

Add 2y to 2y.

4y=12−4

Add 12 to −4.

4y=8

Divide both sides by 4.

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Substitute 2 for y in x−y=2. Because the resulting equation contains only one variable, you can solve for x directly.

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Add 2 to both sides of the equation.

x=4

The system is now solved.

x=4,y=2

Correct choice is B) x=4.

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Step-by-step explanation:

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3 years ago
Can you maybe put up the explanation too and not just the answer? Thank you
kakasveta [241]

Hope it helps you! .........

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Let's Substitute r and h into the formula to find the total surface area.

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