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slava [35]
2 years ago
15

If a string is 28cm, what is the length of the side of a square?

Mathematics
1 answer:
12345 [234]2 years ago
6 0

Answer:

hope will help you

good afternoon

You might be interested in
Question 1
12345 [234]

Answer:

A). Surface area = 222 cm²

Volume = 180 cm³

B). Surface area = 375 cm²

Volume = 360 cm³

C). % increase in surface area = 67.57%

% increase in volume = 100%

Step-by-step explanation:

In the figure attached base of a prism has been given.

A). Surface area of the prism = (Perimeter of the base of the prism) × height + 2(area of the base)

Perimeter of the base = 5 + 3 + 2 + 2 + 2 + 3 + 5 + 8

                                       = 30

Area of the base = 8×5 - 2×2 = 36 cm²

Surface area of the prism = 30×5 + 2×(36)= 222 cm²

Volume of the prism = volume of the bigger prism - volume of the smaller prism cut off

                                  = 8×5×5 - 2×2×5

                                  = 200 - 20

                                  = 180 cm³

B). Surface area of the prism if it's height is 10 cm,

Surface area = 30×10 + 2×(36) = 372 cm²

Volume of the prism = 8×5×10 - 2×2×10

                                   = 400 - 40

                                   = 360 cm³                                      

C). Increase in surface area = 372 - 222 = 150 cm²

% increase in the surface area = \frac{150}{222}\times 100 = 67.57%

Increase in volume = 360 - 180 = 180 cm³

% increase in volume = \frac{180}{180}\times 100 = 100%

4 0
3 years ago
Would the answer be <br> 40, 10 ?
Eduardwww [97]

Answer:

yeah the answer is (40,10)

6 0
2 years ago
This one is a tough one. If you can explain it to me that’ll me great.
Crazy boy [7]

Answer:

C. 73 if I have read the given angle measurements correctly.

The angle measurements I see are:

219^\circ

(x-50)^\circ

(x+45)^\circ.

Step-by-step explanation:

Those angles together form a full rotation. A full rotation is equal to 360 degrees.

So we have the following equation to solve:

219+(x-50)+(x+45)=360

Combine like terms:

(x+x)+(219-50+45)=360

Simplify:

2x+(219-5)=360

2x+214=360

Divide both sides be 2:

x+107=180

Subtract 107 on both sides:

x=180-107

x=73

5 0
3 years ago
Read 2 more answers
The measure of a square wall is 9 feet 7 inches on each side. Estimate the square feet a painter would have to cover to the near
Nookie1986 [14]
First, convert those inches to feet. 
7in =ish 0.5833333
(you find this by dividing 7/12 on a calculator)
Now you just square 9.583333333
9.583333333^2
9.583333333 * 9.583333333
91.84027777ish
Rounded to the nearest foot, means the answer is 92ft.
5 0
3 years ago
What is the range of this function?
Mariana [72]

Answer:

D. {-8, -5, 3, 7}

Step-by-step explanation:

__________

3 0
3 years ago
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