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Ahat [919]
3 years ago
9

What would the answer be for this equation 7x/20 - 5x/12

Mathematics
1 answer:
hodyreva [135]3 years ago
4 0

Answer:

\frac{1}{15} x

Step-by-step explanation:

\frac{7x}{20}  -  \frac{5x}{12}

\frac{3 \times 7x}{3 \times 20}  -  \frac{5 \times 5x}{5 \times 12}

\frac{21x}{60}  -  \frac{25x}{60}

\frac{21x - 25x}{60}  = (21 - 25)x =  - 4x

\frac{ - 4x}{60}  =  -  \frac{ x}{15}

\boxed{\green{=  \frac{1}{15} x}}

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Answer:

1.85

Step-by-step explanation:

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3 years ago
The vertices of a triangle are p(3,7) Q(7,-6) R(-8,7). Name the vertices of the image reflected across the x axis
pantera1 [17]

Answer:

<em>P'(3,-7) Q'(7,6) R'(-8,-7).</em>

Step-by-step explanation:

<u>Reflection across the x-axis</u>

Given a point P(x,y), its reflection across the x-axis will map to point P'(x,-y), i.e., the y-coordinate gets inverted.

We are given the vertices of a triangle P(3,7) Q(7,-6) R(-8,7). The vertices of the image reflected across the x-axis are:

P'(3,-7) Q'(7,6) R'(-8,-7).

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6 0
3 years ago
Mike is making macaroni salad. For each bowl of macaroni salad, he needs 1/3 cup of macaroni. How many cups of macaroni will he
Dahasolnce [82]

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6 0
3 years ago
Read 2 more answers
Solve for all values of x for -2|x+9|-6=-24
DerKrebs [107]
-2(x+9)-6=-24
-2x-18-6=-24
2x=0
x=0

2(x+9)-6=-24
2x+18-6=-24
2x=-36
x=-18
5 0
3 years ago
What is 3 square root -27/64
fiasKO [112]
3 square root is called cube root btw:

cube root of -27/64 is the same as (cube root of -27)/(cube root of 64)

cube root of -27 is -3
cube root of 64 is 4

the anser is -3/4
6 0
3 years ago
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