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4 years ago

18% of what number is 7.2?

2 answers:

5 0

18% of 40 is 7.2

Change the percentage (18%) into a decimal by dividing it over 100:

18/100 = 0.18

Divide 7.2 by the decimal (0.18):

7.2 / 0.18 = 40

notka56 [123]4 years ago

3 0

Use the Proportion is over of = %over 100 IS: 7.2 OF: Unknown (use variable) PERCENT: 18% 7.2 over X = 18% over 100 SOLVE THE ANSWER IS: 40

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(5-2i)+(3+4i)-(-6+2i)

pav-90 [236]

Simplify

5 - 2i + 3 + 4i - (-6 + 2i)

Simplify brackets

5 - 2i + 3 + 4i + 6 - 2i

Collect like terms

(5 + 3 + 6) + (-2i + 4i - 2i)

Simplify

= 14

3 0

3 years ago

Solve the problem and explain the steps taken. There are four students working on a project in math class. Miguel has completed

slamgirl [31]

Answer:

10%

12.5%

13%

19%

Step-by-step explanation:

First write all of the amounts as a percent.

1/8 = 12.5%

13%

.10 = 10%

19%

Then you can order them from least to greatest.

10%, 12.5%, 13%, and then 19%

hope this helps

7 0

2 years ago

Three students are arguing over who can run the fastest. Student A says that she can run 2/3 mile in six minutes. Student B says

nordsb [41]

1/10 of a mile. 4/5 is equivalent to .8, and dividing that by 8 would give you .1, and that is equivalent to 1/10.

3 0

4 years ago

Please help me !!!! Will mark brainliest

stich3 [128]

Answer:

The value of x is 108°

Step-by-step explanation:

Given interior angles of parallelogram are:

$\frac{2}{3}x, x, \frac{2}{3}x\ and x$

The sum of interior angles of a parallelogram is 360°.

We will use this information to find the value of x.

So adding up all the angles and putting the sum equal to 360 we get,

$x+\frac{2}{3}x+x+\frac{2}{3}x = 360$

$2x+\frac{2}{3}x+\frac{2}{3}x = 360\\2x + \frac{4}{3}x = 360$

Taking LCM on left side of the equation, as it involves fraction

$\frac{6x+4x}{3} = 360\\\frac{10x}{3} = 360$

Multiplying both sides by 3

$\frac{10x}{3} * 3 = 360 * 3\\10x = 1080$

Dividing both sides by 10

$\frac{10x}{10} = \frac{1080}{10}\\x = 108$

Hence,

The value of x is 108°

3 0

3 years ago

If D is the midpoint of BA, and E is the midpoint of BC, What is there formal geometric name for DE in ABC?

Lynna [10]

Answer:

hmmmmmmmmm...

Step-by-step explanation:

6 0

3 years ago