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Murrr4er [49]
3 years ago
5

An engineer is planning a new water pipe installation. The circular pipe has a diameter of d = 20 centimeters. What is the area

(A) of the circular cross section of this pipe?
║Give your answer in terms of ⫪║

Mathematics
1 answer:
goldenfox [79]3 years ago
3 0

Answer:

radius=diameter/2=20/2

=10cm/100=0.1m

Area of a circle=πr^2

A=π×0.1×0.1

A=0.01πm^2

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A store is having a sale in which the cost of any item is 35% off.
vichka [17]

Answer:

1. no

2. yes

3. no

4. yes

Step-by-step explanation:

only the second and last expression works. If x is the final cost, and it is 35% off, then you are subtracting 0.35xor keeping 0.65x

please give thanks by clicking heart button! :)

3 0
3 years ago
50 points and a BRAINLIEST if you answer correctly! Pls Pls help!
Gre4nikov [31]

Answer:

3/10

Step-by-step explanation:

Numbers Given are:

1 1/2, 2 1/2, 1 2/3, and 2 5/6

The result at the end of all the math is 2 5/6.

1 2/3 + 2 5/6 = 4 1/2

Divide 4 1/2 by 1 2/3 to get 2 7/10.

Subtract 2 2/3 from 2 7/10 to get 1/5.

Multiply 1/5 by 1 1/2 to get 3/10.

So the number they thought of was 3/10.

4 0
2 years ago
What is equivalent to n – 4.6n – 3.3n + 2.8n
Ahat [919]

Answer:

4.1n

Step-by-step explanation:

Let's simplify step-by-step.

n−4.6n−3.3n+2.8n

=n+−4.6n+−3.3n+2.8n

Combine Like Terms:

=n+−4.6n+−3.3n+2.8n

=(n+−4.6n+−3.3n+2.8n)

=−4.1n

7 0
2 years ago
If a figure is dilated by a scale factor less than one, does the shape get larger or smaller?
malfutka [58]
I think that it gets smaller. (not entirely sure)
6 0
3 years ago
Read 2 more answers
4. Remove seven letters from this grid to leave two numbers.<br> SFEVE<br> INLVE<br> TETEE
juin [17]

Answer:

five , seven

Step-by-step explanation:

brainlyist

8 0
3 years ago
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