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Stels [109]
3 years ago
8

Pls someone help me these's problem's!

Mathematics
1 answer:
Iteru [2.4K]3 years ago
3 0

Answer:

15. a because b is being squared by a variable meaning it is exponential and goes forever, but the answer choice B is set only to 3 squared, so a is the answer.

16. D because square root of 96 MINUS square root of 54 on calculator is 2.44948974278, BUT the square root of 6 is ALSO 2.44948974278, so the answer is D or square root of 6

Step-by-step explanation:

my explanation is all on the top

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A hollow shaft has a cross-sectional area 125.6cm2 and a bore of 8cm in diameter. Calculate the outer diameter of the shaft to 2
hichkok12 [17]

Answer:

The outer diameter of the shaft to 2s.f is  12.65cm

Step-by-step explanation:

We know that the expression for the area of a circular cross section is

A= \frac{\pi d^2}{4}

given data

area of cross section= 125.6cm^2

bore diameter d= 8cm

from the area of cross section we can solve for the outer diameter D

Area of cross section=\frac{\pi D^2}{4} \\\\125.6= \frac{3.142*D^2}{4}

solving for D we have

3.142*D^2= 125.6*4\\\3.142*D^2= 502.4\\D^2= \frac{502.4}{3.142} \\D^2= 159.8981\\D=\sqrt{159.8981} \\D= 12.6450\\D= 12.65cm

6 0
3 years ago
Riddle-if you solve it i will delete your answer and you have to post the riddle. Riddle-you enter a room. 2 dogs, 4 horses, 1 g
mrs_skeptik [129]

The answer will be either 8 or 4 or 0.

What is a riddle?

A riddle is an intentionally framed ambiguous question or statement that requires ingenuity and critical thinking to solve or understand.

In the given riddle, all the two dogs, four horses, one giraffe and a duck are lying on the bed. Three chickens are flying over a chair.

Assumptions:

1) Bed is placed on the ground.

2) Bed and chair considered are of standard type.

case1:

If we consider the legs of only living organisms, the number of legs on the ground at the given instant will be 0.

case2:

If that's not the case, then a typical chair will have four legs, and a standard bed will also have four legs. So a total of 8 legs will be on the ground or floor of the room.

case3:

And if we consider the possibility of the chair being placed on the bed, then the legs of the chair will not touch the ground. So a total of 4 legs will be on the ground or floor of the room.

∴ From different perspectives, the number of legs on the ground will be either 8 or 4 or 0.

Find more riddles here:

brainly.com/question/20140875

#SPJ2

5 0
2 years ago
Read 2 more answers
WILL GIVE BRAINLIEST TO PERSON WHO ANSWERS CORRECTLY!!!!!! PLEASE HELP ASAP!!!!!
Helga [31]
Its the third one .......
7 0
3 years ago
How much would $500 invested at 9% interest compounded annually be worth after 4 years? Round your answer to the nearest cent. 
frosja888 [35]
A = P(1+(r/n))^nt
A = 500(1+(.09/1))^1<span>∗4
A = 500(1.09)^4
A = 705.79</span>
6 0
3 years ago
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in your opinion ,do you think mom was right in making Demarcus study before playing, or was Demarcus right to play and then stud
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Answer: Mom was right in making Demarcus study before playing.

Step-by-step explanation:

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4 years ago
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