3 years ago

Marking brainlist.........

Mathematics

1 answer:

DanielleElmas [232]3 years ago

5 0

Answer:

2.5d

hope this helps

have a good day :)

Step-by-step explanation:

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How to solve this? Please show work.<br><br><br> x+3 /4 = x-1 /5

Vinil7 [7]

This will take me a long time, but... $x+ \frac{3}{4} = x- \frac{1}{5} =x+ \frac{3}{4} -x = x- \frac{1}{5} -x = \frac{3}{4} =\frac{1}{5} =\frac{3}{4} - \frac{3}{4} =\frac{1}{5} - \frac{3}{4}
$ $=\frac{-19}{20}$

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3 years ago

Samatha ran 3.5 miles on saturday. on wednesday ,she ran 5.2 miles. what was her percent increase to the nearest percent?

taurus [48]

Find the difference between the 2 numbers which will give you the increase from the lower value to the higher. Divide this increase by the original (lower) number and multiply the result by 100 to get the percentage. For us that looks like this: $\frac{5.2-3.5}{3.5} *100$ . Simplifying a bit we have $\frac{1.7}{3.5}*100=48.5%$ or 49%, rounded.

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3 years ago

Slove the following:

Aleksandr [31]

Answer:

let required no be x

$\frac{1}{7} = \frac{x}{42}$

by doing crisscrossed multiplication

$42 \times 1 = 7 \times x$

42=7x

dividing both side by 7

$\frac{42}{7} = 7x \div 7$

6=x

therefore x=6

therefore value of remaining no.is 6

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3 years ago

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Amman drew a rectangle with a perimeter of 36 units. he then preformed a dilation with a scale factor of 3. what is the perimete

Free_Kalibri [48]

New perimeter will be equal = old perimeter*3=36*3=108

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3 years ago

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Each year, Kipp raises money by participating in the Walk for Breast Cancer. Last year, Mr. Madrid walked at a pace of 12 miles

Ilia_Sergeevich [38]

A.

The rate is 12:2

B.

Set up a proportion:

12/2 = x/5

Multiply 5 to both sides:

60/2 = x

Divide:

30 = x

So he will walk 30 miles in 5 hours.

C.

To find out, we can divide 12 / 2.

12 / 2 = 6 miles per hour

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4 years ago