30p+2can you please answer
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In this question, it is given that two of the dimensions are 3 cm and 9 cm . Let the other dimension be x cm .
And the surface area of the rectangular prism is given. Now we use the formula of surface area of prism, which is
Subtracting 27 to both sides,
Dividing both sides by 12
So the length of the remaining dimension is 6 cm .
We need to find the two equations that represents the total amount of coins Carl has that makes $26.00 and the number of quarters and dimes.
Carl has 35 dimes and 90 quarters. The equations are and
.
Let the number of dimes be
Let the number of quarters be
The total number of coins is
So, the first equation will be
The value of the coins is $26. So,
Let us solve the equations
The number of dimes is 35 and the number of quarters is 90.
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