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andre [41]
3 years ago
10

At East Junior High School, there are a total of 1175 students in the 7th and 8th

Mathematics
1 answer:
Agata [3.3K]3 years ago
5 0

Answer:

7th grade has 1100 and 8th has 75

Step-by-step explanation:

here's why...........1100 plus 75 is the total of 1175

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MrRa [10]

Answer:

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4 0
3 years ago
Size of the reflex angle POQ?
mel-nik [20]
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X and y simplifying problem. Please explain how to do thiese. I will gove 15 points
Strike441 [17]

\dfrac 56 x + \dfrac25 y - \dfrac14 x + \dfrac3{10} y

First, combine like terms:

\left(\dfrac 56 - \dfrac14\right) x + \left(\dfrac25 + \dfrac3{10}\right)y

Now just simplify the coefficients of x and y. We do this by converting each pair of fractions to ones with a common denominator. Then we can combine them easily.

\dfrac56 - \dfrac14 = \dfrac56\cdot\dfrac22 - \dfrac14\cdot\dfrac33 = \dfrac{5\cdot2}{6\cdot2} - \dfrac{1\cdot3}{4\cdot3} = \dfrac{10}{12} - \dfrac3{12} = \dfrac{10-3}{12} = \dfrac7{12}

\dfrac25 + \dfrac3{10} = \dfrac25\cdot\dfrac22 + \dfrac3{10} = \dfrac{2\cdot2}{5\cdot2} + \dfrac3{10} = \dfrac4{10} + \dfrac3{10} = \dfrac{4+3}{10} = \dfrac7{10}

So the simplified expression would be

\dfrac7{12} x + \dfrac7{10} y

4 0
3 years ago
Auto-Check Motors charged Mr. Jones $84.00 for an automotive part plus $68.00 per hour that a mechanic worked to install the par
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5 0
4 years ago
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