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3 years ago

Solve for x in the diagram below

Mathematics

2 answers:

Aleksandr [31]3 years ago

8 0

Answer:

x=20

Step-by-step explanation:

You make an equation (4x+100=180) and solve

4x=80---> x=20

DanielleElmas [232]3 years ago

4 0

Answer:

x = 20

Step-by-step explanation:

all of these together will come out to equal 180 degrees. Because it is a straight line. every straight lines is 180 degrees.

x + 3x + 100 = 180

simplify, 4x + 100 = 180

subtract 100 from both sides, 4x = 80

divide both sides by 4, x = 20

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The ratio of students who wear glasses to the total class is 2:5

Taya2010 [7]

Answer:

a. 2:3, b. 25 students, c. 3:2

Step-by-step explanation:

a. 5 (total) - 2 (with glasses) = 3 (without glasses), making the ratio 2:3.

b. We can assign the total students with the variable x. 3:5=15:x, 75=3x, x=25. 25 total students.

c. 25 (total students) - 15 (without glasses) = 10 (with glasses). (10+5):(15-5) is 15:10, which, when simplified, equals to 3:2.

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2 years ago

Can someone kindly explain and answer this for me please!

Lubov Fominskaja [6]

Answer:

Step-by-step explanation:

7 * 7 = 49

24 * 24 = 576

576 + 49 = 625

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3 years ago

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Mr. Jordan has a gardening class he finds he has 12 1/2 pounds of soil for a project. The project requires 7/10 per project. How

frosja888 [35]

Answer:

11.8

Step-by-step explanation:

I think it is subtracting fractions.

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3 years ago

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The ages in years of 21 people in a swimming pool are displayed in the stem-and-leaf plot. Determine the median age of

LenaWriter [7]

Answer:

<h3>5 years</h3>

Step-by-step explanation:

To get the median of the ages given

2, 4, 5, 6, 7, 8, 8, 8, 0, 3, 5, 9, 1, 4, 7, 6, 1, 2, 4, 4, 8

First we will need to rearrange the median ages in ascending order (from lowest to highest)

0, 1, 1, 2, 2, 3, 4, 4, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 8, 8, 9

Next is to locate the middle value of the arranged data

(0, 1, 1, 2, 2, 3, 4, 4, 4, 4), 5, (5, 6, 6, 7, 7, 8, 8, 8, 8, 9)

The total values in both parenthesis are the same(10 in numbers) leaving 5 as the middle number.

Hence the median age of the people in the pool is 5years

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3 years ago

The dairy king hold 64 cups of ice cream jerry uses a scoop that hold 1/4.how many scoops of ice cream can jerry get out each bu

Setler79 [48]

Answer:

16 cups

Step-by-step explanation:

64 × .25=16

8 0

3 years ago