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2 years ago

Step 1: Choose the lowest common denominator.

Mathematics

1 answer:

Maslowich2 years ago

7 0

The expression written in equivalent form with a common denominator is -1/6

<h3>Adding fractions</h3>

Fractions are written as ratio of two integers. For instance a/b is a fraction.

Given the sum of the fractions shown;

-3/4 and 5/8

Sum = -3/4 + 5/8

Sum = 5/8 - 3/4

Sum = 5-6/8

Sum = -1/8

Hence the sum of the given fraction -1/3 and 5/8 is -1/6

Learn more on sum of fractions here: brainly.com/question/78672

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So difficult!!! Someone help

Naya [18.7K]

When two lines cross like this, sum of measures of opposite angles is 180.
this means that:
measure angle AEC + measure angle BED = 180
4x-40 + x+50 = 180
5x +10 = 180
5x = 170
x = 34
therefore:
measure angle AEC = 4x-40 = 4(34)-40 = 96
measure angle BED = x+50 = 34+50 = 84

5 0

4 years ago

Pratap puri rowed 10 miles down a river in 2 hours, but the return trip took him 2 and one half hours. Find the rate pratap can

N76 [4]

Answer:

<em>Rate of Pratap in still water is 4.5 miles/hour and rate of current is 0.5 miles/hour.</em>

Step-by-step explanation:

Pratap Puri rowed 10 miles down a river in 2 hours, but the return trip took him 2.5 hours.

We know that, $Speed = \frac{Distance}{Time}$

So, the <u>speed of Pratap with the current</u> will be: $(\frac{10}{2})miles/hour = 5$ miles/hour

and the <u>speed of Pratap against the current</u> will be: $(\frac{10}{2.5})miles/hour = 4$ miles/hour.

Suppose, the rate of Pratap in still water is $x$ and the rate of current is $y$ .

So, the equations will be........

$x+y= 5 .............................. (1)\\ \\ x-y=4 .............................. (2)$

Adding equation (1) and (2) , we will get......

$2x=9\\ \\ x=\frac{9}{2}= 4.5$

Now, plugging this $x=4.5$ into equation (1), we will get.....

$4.5+y=5\\ \\ y=5-4.5 =0.5$

Thus, Pratap can row at 4.5 miles per hour in still water and the rate of the current is 0.5 miles/hour.

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4 years ago

Now round 3.152 to the nearest one.

Alika [10]

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Mark brainliest please

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3 years ago

Find the Perimeter of the figure below, composed of a rectangle and a semicircle. Round to the nearest tenths place.

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Answer:

50.6

Step-by-step explanation:

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3 years ago

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Arturiano [62]

Answer:

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Step-by-step explanation:

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3 years ago

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