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3 years ago

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There is only one positive integer which is exactly twice the sum of its digits. find this 2 digit number

1 answer:

ad-work [718]3 years ago

8 0

There is only one positive integer which is exactly twice the sum of its digits. find this 2 digit number

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Which division problem does the number line below best illustrate?

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Answer:

1 divided by one-fifth = 10

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3 years ago

I need a step by step explanation on this problem:

miss Akunina [59]

Answer:

Dividing by 7

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3 years ago

Which of the following is more than 0.35 but less than 0.41

Hoochie [10]

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You have quarters and dimes that total $2.80. your friends says its possible that the number of quarters is 8 more than the numb

Sidana [21]

$\text{Let the number of dimes be x, then as per the friend the number of }\\
\text{quarters should be 8 more than dimes, so number of quarters}=x+8\\
\\
\text{we know that the value of 1 dime is }\$ 0.10 \text{ value of one quarter is }\$0.25\\
\\
\text{And since the total value of quarters and dimes is }\$2.80, \text{ so we have}\\
\\
0.10(x)+0.25(x+8)=2.80\\
\\
\Rightarrow 0.10x+0.25x+2=2.80\\
\\
\Rightarrow 0.35x=2.80-2\\
\\
\Rightarrow 0.35x=0.80$

$\Rightarrow x=\frac{0.80}{0.35}=2.29\\
\\
\text{so if we take 2 dimes then we'll have to take 10 quarters according to friend.}\\
\\
\text{So the statement of friend is }$ WRONG

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3 years ago