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trapecia [35]
3 years ago
14

I’m confused anyone knows what to do??

Mathematics
1 answer:
Juli2301 [7.4K]3 years ago
7 0
The number that needs to go in the blank is -20
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Which describes how to find the solution to 5k>22 ?
alex41 [277]
You need k by itself, so the only way to do that is to divide both sides by 5
6 0
3 years ago
I need help with this
oksian1 [2.3K]

Area of a triangle is 1/2 x base x height:

Area = 1/2 x 8 x 20.5 = 82 square cm.

It is hone-half the area of a rectangle with dimensions 20.5 by 8 cm.

3 0
4 years ago
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Please help fast im taking a quiz.
olga2289 [7]

Answer:

1.30

Step-by-step explanation:

3+5x=7

Subtract 3 on both sides, 3 will cancel out on the left side and will subtract by 7 making it 4

5x=4

Then divide by 5 on both sides to isolate the x.

5/4=1.25

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3 years ago
Mike installed the window shown. How many square feet is the window? Use 3.14 for pi. Round to the nearest tenth.
Natali [406]

Answer: 3.9ft²

Step-by-step explanation:

Find the area of the rectangle first:

= Length * Width

= 2 * 1.5

= 3 ft²

Find the area of the semi-circle by finding the area of a circle and dividing it by 2:

= πr²

= 3.14 * 1.5/2 * 1.5/2

= 1.76625‬ft²

Divide by 2:

= 1.76625‬/ 2

= 0.88 ft²

Add the area of the rectangle to the semi-circle:

= 3 + 0.88

= 3.9ft²

3 0
3 years ago
The ages of students in a class have been put into the frequency distribution below. age number of students 18 3 19 5 20 28 21 4
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14.75 years old is the average age.
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