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Kisachek [45]
3 years ago
11

Cho has 1/5 liter of water. he pours equal amounts of water intyo 3 cups. write an expression for the number of liters of water

in each cup.
Mathematics
1 answer:
lakkis [162]3 years ago
6 0

Answer:

\frac{1}{15} liters

Step-by-step explanation:

\frac{1}{5} ÷ 3=

\frac{1}{5} *\frac{1}{3} =\\\\\frac{1}{15}

There is 1/15 liters of water in each cup.

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Write an equation of the perpendicular bisector of the line segment whose endpoints are (−1,1) and (7,−5)
icang [17]

The equation is y = \frac{3}{2} x - \frac{11}{2}

<u>Explanation:</u>

We have to first find the mid-point of the segment, the formula for which is

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So, the midpoint will be (\frac{-1+7}{2} , \frac{1-5}{2} )\\\\

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It is the point at which the segment will be bisected.

Since we are finding a perpendicular bisector, we must determine what slope is perpendicular to that of the existing segment. To determine the segment's slope, we use the slope formula \frac{y_2-y_1}{x_2-x_1}

The slope is \frac{-5-1}{7+1} = -\frac{2}{3}

Perpendicular lines have opposite and reciprocal slopes. The opposite reciprocal of  -\frac{2}{3} is \frac{3}{2}

To write an equation, substitute the values in y = mx + c

WHere,

y = -1

x = 3

m = 3/2

Solving for c:

-1 = \frac{3}{2} X 3 + c\\\\-1 = \frac{9}{2}+c\\ \\c = \frac{-2-9}{2} \\\\c = \frac{-11}{2}

Thus, the equation becomes:

y = \frac{3}{2} x - \frac{11}{2}

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3 years ago
Please help worth a lot of points !!!<br><br> Find the measure of show your work
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Answer:

<u>∠AEB = 72°</u>

Step-by-step explanation:

<u>Finding x</u>

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<u>Finding ∠AEB</u>

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  • 77 - 5
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Find the area for the rectangular prism
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596ft

Step-by-step explanation:

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Chance can wash the car in 2 hours, while Sandy can wash the same car in 4 hours. How many hours would it take for them to wash
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so A is right 
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