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algol [13]
3 years ago
15

Find the volume of the composite figure. Round the nearest tenth

Mathematics
1 answer:
eimsori [14]3 years ago
7 0
20.......................
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Justin made 184 for 8 hours of work. At the same rate, how many hours would he have to work to make 115?
Kisachek [45]

Answer:

8/184

0.0434782609x115

5

Step-by-step explanation:

5

7 0
2 years ago
Koto’s average velocity along her route was 4. 5 m/s. She started at her house and traveled 15,000 meters north, 5,000 meters ea
Lostsunrise [7]

The time taken for her trip is 3 hours.

<h3>Given that</h3>

Koto’s average velocity along her route was 4. 5 m/s.

She started at her house and traveled 15,000 meters north, 5,000 meters east, 20,000 meters south, and then 5,000 meters west.

<h3>We have to determine</h3>

What was the time of her trip?

<h3>According to the question</h3>

She started at her house and traveled 15,000 meters north, 5,000 meters east, 20,000 meters south, and then 5,000 meters west.

<h3 /><h3>The calculation of such a trip of Koto can be done by applying the known formula of Time when the Speed is multiplied by Distance to compute the actual time of the trip.</h3>

The formula to calculate the time for her trip is;

\rm Speed = \dfrac{ Distance}{Time}\\&#10;\\&#10;Time = \dfrac{Distance}{Speed}\\&#10;\\&#10;

  • Using the formula above, the commute in each direction is added as 45000 meters or 45 kilometers.

  • If Koto's average speed is 4.5 meters per second, then she travels roughly 270 meters in one minute.

Substitute all the values in the formula;

\rm\ Time = \dfrac{Distance}{Speed}\\\\  Time = \dfrac{45000}{270}\\&#10;\\&#10;Time =166.7

Converting minutes into hours,

\rm Hours = \dfrac{Minute}{60}\\&#10;\\&#10;Hours = \dfrac{166.7}{60}\\&#10;\\&#10;Hours = 2.77 \\&#10;\\&#10;= 3\  hours

Hence, the time taken for her trip is 3 hours.

To know more about Time and Distance click the link given below.

brainly.com/question/4433818

5 0
2 years ago
What is the height of a cylinder if it has a radius of 3 centimeters and a volume of 254.34 cubic centimeters? (Use 3.14 for π.)
lesya [120]
The answer is 9cm.

254.34= (3.14 x 3^2) x 9
5 0
3 years ago
Read 2 more answers
Please I need your help!! Find the value of x.
UkoKoshka [18]

Answer:

x = 21°

Step-by-step explanation:

Triangle = 180°

Angle YXZ = 34°

Angle XZY = (x + 104)°

Angle x = ?

34° + x° + 104° + x° = 180°

138° + 2x° = 180°

2x° = 180° - 138°

2x/2 = 42/2

x = 21°

7 0
3 years ago
A and B are supplementary angles. If A = 7x - 18 and B = 8x + 3, find x.
Mila [183]

Answer:

x=13

Step-by-step explanation:

Angle A and angle B are supplementary

Supplementary angles add to 180 degrees

<A + <B = 180

7x-18 + 8x+3 = 180

Combine like terms

15x -15 = 180

Add 15 to each side

15x-15 +15 = 180+15

15x = 195

Divide by 15

15x/15 =195/15

x =13

3 0
3 years ago
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