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djverab [1.8K]
3 years ago
14

Please help! You will get 17 points!

Mathematics
2 answers:
lawyer [7]3 years ago
8 0

Answer:

1695.6 is the volume.

Step-by-step explanation:

3.14 * 6^2 * 15 = 1695.6

gavmur [86]3 years ago
8 0

Answer:

1695.6 yds^ 3

Step-by-step explanation:

If the diameter is 12 yds then the radius is 6 yds.  The height is 15 yds.  Thus the volume of this cylinder is

V = πr²h = 3.14(6 yd)^2·(15 yds) = 1695.6 yds^ 3

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How do you write 186.1 in scientific notation? ____× 10^____
Anvisha [2.4K]

Answer:

1.861(10²)

Step-by-step explanation:

Proper scientific notation only has the ones place and decimals. To get the same value again, we would need the exponent to be 2 and not -2.

7 0
3 years ago
Help plz:)))I’ll mark u Brainliest
Stolb23 [73]

Answer:

x=20

Step-by-step explanation:

hope this helps

8 0
3 years ago
Read 2 more answers
If triangle DEF is an isosceles triangle with DE is congruent to EF, find x and the measure of each side
Rudik [331]

Step-by-step explanation:

Given that,

DE = 8x - 13

EF = 5x + 17

DF = x + 21

Also,

DE = EF

which means that,

8x - 13 = 5x + 17

8x - 5x = 17 + 13

3x = 30

x = 30/3

x = 10

Now,

DE = 8x - 13 = 8×10 - 13 = 80 - 13 = 67cm

EF = 5x + 17 = 5×10 + 17 = 50 + 17 = 67cm

DF = x + 21 = 10 + 21 = 31cm

3 0
3 years ago
What is the domain of y = cos ^-1x?
Bas_tet [7]

Answer:

Step-by-step explanation:

Correct option is

D

[1,(1+π)  

2

]

f(x)=(1+sec  

−1

(x))(1+cos  

−1

(x))

Here the limiting component is cos  

−1

(x), since the domain of cos  

−1

(x) is [−1,1].

Therefore,

f(1)=(1+0)(1+0)

=1

f(−1)=(1+π)(1+π)

=(1+π)  

2

 

Hence range of f(x)=[1,(1+π)  

2

]

8 0
2 years ago
Please help due in 10 minutes
noname [10]
The right answer is 4
6 0
3 years ago
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