1. 7 2/3 + 2 7/12

1 answer:

3 0

It's just not realistic to present a list of 12 math questions and ask for the answers to all of them at once. Please post only one question at a time and please share your thoughts about how to solve that question.

I'll focus on one problem: 7 2/3 + 2 7/12

Here the LCD (lowest common denominator) is 12. 7 2/3 becomes 7 8/12.

Add 7 8/12 and 2 7/12:

7 8/12
+2 7/12
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9 15/12 15/12 is not a proper fraction. Write it as 1 3/12, or 1 1/4.

Then your 9 15/12 becomes (9+1) 1/4, or 10 1/4.

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PLEASE HELP !!!!!!! does any one know how to write 95.417 in expanded form with multiplication

mixer [17]

Answer:

Step-by-step explanation:

The 9 in 95 tells us how many tens are in the number 95.417; the 5 tells us how many ones, and the 4 how many tenths. And so on.

Thus,

95.417 = 9*10^1 + 5*10^0 + 4*10^(-1) + 1*10^(-2) + 7*10^(-3)

is 95.417 in expanded form, with each digit multiplying a power of 10.

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Consider the following.x = t − 2 sin(t), y = 1 − 2 cos(t), 0 ≤ t ≤ 8πSet up an integral that represents the length of the curve.

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The length of the parametric curve (call it C ) is given by

$\displaystyle\int_C\mathrm ds=\int_0^{8\pi}\sqrt{\left(\frac{\mathrm dx}{\mathrm dt}\right)^2+\left(\frac{\mathrm dy}{\mathrm dt}\right)^2}\,\mathrm dt$