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Tems11 [23]
3 years ago
15

Calculate the surface area of the figure below.

Mathematics
1 answer:
valentinak56 [21]3 years ago
8 0

Answer:

a. 1,275.49 m²

Step-by-step explanation:

SA = 2πr² + 2πrh

SA = 2π(7)² + 2π(7)(22)

SA = 98π + 308π

SA = 406π

SA ≈ 1,275.49 m²

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sdas [7]

Answer:

17

Step-by-step explanation:

Pythagorean Theorem

a^2 + b^2 = c^2

8^2 + 15^2 = c^2

64 + 225 = c^2

c^2 = 289, c = 17

8, 15, 17 is also a common Pythagorean triple.

3 0
2 years ago
Order these numbers from least to greatest.<br> 2.68, 2.6081, 3.119, 2.6
kykrilka [37]

Answer:

2.6, 2.6081, 2.68, 3.119

Step-by-step explanation:

Look at the number before the decimal first. After look at the decimal points, the one with the smallest amount will be the least greatest (2.6) because it has no numbers after it.

7 0
3 years ago
How can you identify if a decimal is terminating or non-terminating without calculating it?
Svetllana [295]

Answer:

Just divide the numerator by the denominator . If you end up with a remainder of 0 , then you have a terminating decimal. Otherwise, the remainders will begin to repeat after some point, and you have a repeating decimal.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
SOMEONE PLS HELP ASAP!!!
ladessa [460]

Answer: h(x)=10(0.4)^x

Step-by-step explanation:

The exponential function h, represented in the table, can be written as h(x)=ab^x

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Put theses values in equation,, we get

10=a.b^0\\\\\Rightarrow\ 10=  a (1)\\\\\Rightarrow\ a= 10

Also, for x= 1 , h(x) = 4, so put these values and a=10 in the equation , we get

4=10b^1\\\\\Rightarrow\ b=\dfrac{4}{10}\\\\\Rightarrow\ b= 0.4

Put value of a and b in the equation ,

h(x)=10(0.4)^x  →  Required equation.

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3 years ago
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dusya [7]

Answer:

wut

Step-by-step explanation:

8 0
3 years ago
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