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Nana76 [90]
3 years ago
11

A solid cylindrical steel rod has a base area of 100 cm2 and a length of 50 cm. What is the volume of the steel rod?

Mathematics
2 answers:
natulia [17]3 years ago
4 0

Answer:

5000 cm3

Step-by-step explanation:

find radius

cal the volume

Nastasia [14]3 years ago
3 0

Answer:

The volume of the steel rod is 5,000\ cm^{3}

Step-by-step explanation:

we know that

The volume of the cylinder is equal to

V=Bh

where

B is the area of the base of cylinder

h is the height or length of the cylinder

In this problem we have

B=100\ cm^{2}

h=50\ cm

substitute

V=100*50=5,000\ cm^{3}

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Ilia_Sergeevich [38]
No this data set is not a function because two points have x coordinates of 4

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7 0
3 years ago
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Marci measured an angle in the intersection of two walkways in a city park as 115°. What is the value of s?
Aleksandr-060686 [28]

Answer:

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Please explain how to do this, I'm using all my points<br><br>A. 40 L<br>B. 80 L<br>C. 4 L <br>D. 8L
exis [7]

Answer: choice A. 40 liters

====================================

Explanation:

x = number of liters of the 50% alcohol solution

If we have x liters of 50% alcohol, then we have 0.50*x liters of pure alcohol. This is added to 0.90*40 = 36 liters of pure alcohol (from the 90% solution).

So far we have 0.50*x + 36. This expression represents the total amount of pure alcohol. We want a 70% solution, so we want 70% of the total 40+x meaning 0.50*x + 36 is to be set equal to 0.70*(40+x) and we solve for x as shown below

0.50*x + 36 = 0.70*(40+x)

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0.50*x + 36 = 28+0.70*x

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8 = 0.20x

0.20x = 8

x = 8/0.20

x = 40

So that is why the answer is choice A. 40 liters

6 0
3 years ago
Find the sum of the first 40 terms of a geometric sequence where the first term is 16 and the common ratio is 1.1. 704 7,081.480
Lilit [14]

Step-by-step explanation:

The nth term of a geometric progression can be determined by using the formula:

Tn=arn−1

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Substitute the given values of first term and common ratio into the formula:

Tn=arn−1

T5=(40)(0.5)5−1

T5=(40)(0.5)4

T5=(40)(0.0625)

T5=2.5

8 0
3 years ago
841 rounded to the nearest 10th
Gennadij [26K]
841 rounded to the nearest 10th is 840...hope this helps u :)
6 0
3 years ago
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