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Nikolay [14]
3 years ago
6

Help please! 15 pts!

Mathematics
2 answers:
Afina-wow [57]3 years ago
4 0

Answer: attached below

Step-by-step explanation:

saw5 [17]3 years ago
4 0

Answer:

I believe that it is 212.04

Step-by-step explanation:

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PLZ PLZ PLZ PLZ HELP HELP HELP HELPFind the area of the shape.
Bingel [31]

Answer:

3.14

Step-by-step explanation:

The formula for the area of a circle is \pi r^2, where r is the radius. In this circle, the area would therefore be 3.14\cdot 2^2=12.56. However, since this is only a quarter circle, you need to divide the area by 4, meaning that the area of this shape is 3.14 square units. Hope this helps!

5 0
3 years ago
Read 2 more answers
What is 12.1 repeating as a fraction in simplest form?
dem82 [27]
The answer is two, one over nine⬇️
2\ \frac{1}{9}
8 0
3 years ago
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What is the value of the expression?
lora16 [44]
-square root 3 over 3
 hope this helps.
7 0
3 years ago
A square pyramid has a base with side lengths each measuring 40 inches. The pyramid is 21 inches tall, with a slant height of 29
Alchen [17]

Answer    

Find out the  what is the surface area of the pyramid .

To proof

Formula

Surface area of a square pyramid

= a^{2} + 2a \sqrt{\frac{a^{2}}{4} +h^{2}

Where a is the base edge and h be the height .

As given

A square pyramid has a base with side lengths each measuring 40 inches. The pyramid is 21 inches tall, with a slant height of 29 inches.

i.e Base edge = 40 inches

Height =  21 inches    

Put values in the above formula

= 40^{2} + 2\times40\times\sqrt{\frac{40^{2}}{4} +21^{2}

solving

= 1600 + 80 \sqrt{\frac{1600}{4} + 441

= 1600 + 80\times\sqrt{841}

\sqrt{841} = 29

= 1600 + 80 × 29

= 3920 inches²

Therefore the surface area of the pyramid is 3,920 inches²

Hence proved

4 0
3 years ago
Read 2 more answers
If the point (a,3) lies on the graph of the equation 5x + y = 8, then a=<br>a.01<br>b.0-1<br>c.0-7​
fomenos

Answer:

A (a = 1)

Step-by-step explanation:

A coordinate point is always in the form (x,y) that means the first point is always x-coordinate and the second point is always y-coordinate.

The equation given is:

5x + y = 8

The point is (a,3), so that means x = a and y = 3

We substitute the values into the equation and find a. Shown below:

5x + y = 8

5(a) + (3) = 8

5a + 3 = 8

5a = 8 - 3

5a = 5

a = 5/5

a = 1

Answer choice A is right

6 0
3 years ago
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