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kondor19780726 [428]
3 years ago
5

13 cm 5 am 12 cm 10 cm What is the total surface area of the block?

Mathematics
2 answers:
alekssr [168]3 years ago
3 0

Answer:

13+5+12+10=40

Step-by-step explanation:

The answer would be 40 cm.

alexdok [17]3 years ago
3 0
You’ll get 40 cm because you had to add all of that centimeters are because they all have equal rights
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Hi!! Please explain how you got the answer, thanks!! :)) ​
Slav-nsk [51]

Start out by finding the area of the square.

a = 4²

a = 16

Since all we have to look at is 1/4 of this square, multiply the area by 1/4.

(16)1/4

4

The area of the triangle is 4.

Now we need the area of the circle.

a = πr²

Sub: a = π(2)²

a = π(4)

Since the portion of the circle that covers the triangle is 1/4 of the circle, subtract 1/4 of the area of the circle from the area of the circle.

a = 4 - 1/4(π(4))

a = 4 - 1/4π x 1

a = 4 - 1/4π

Now this is where it's supposed to go, considering the fact that π isn't given a value.

Normally, I'd use 3.14 for π, as the entire population would, and then it would be easy, but obviously that isn't an option.

Now this answer isn't up there, so my best option is to tell you it's most likely c, and I hope I'm right.

Uhh good luck I guess this math test is weird

-Xax

4 0
3 years ago
Find the value of 100-98+96-94+92-90+...+8-6+4-2
Pachacha [2.7K]

Answer:

10

solution

100-98 =2

96-94 = 2

92-90 = 2

8-6 = 2

4-2 =2

2+2+2+2+2=10✓

8 0
3 years ago
One fourth of a number plus 3 gives 4. The number is:
Triss [41]
The number would be 4
5 0
3 years ago
Read 2 more answers
The government plans to build 75,000 new homes. 1/5 of the new homes will be built in a city near you. How many is that?
laiz [17]
The answer is 15,000 because 75000/5 = 15000.
4 0
4 years ago
A corner store sells two kinds of baked goods: cakes and pies. A cake costs $5 and a pie costs $7. In one day the store sold 15
Vika [28.1K]

Answer: this is what i know

A corner store sells two kinds of baked goods: cakes and pies. A cake costs $5 and a pie costs $7. In one day, the store sold 15 baked goods for a total of $91.

6 0
3 years ago
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