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oee [108]
3 years ago
13

Grace used a container shaped like a cylinder for her dog's food. It's radius is 4 inches and it's height is 5 inches. find the

volume of the container in cubic inches. PLEASE HELP , DON'T PUT SPAM LINKS!
Mathematics
1 answer:
Advocard [28]3 years ago
6 0

Answer:

251.33 cubic inches

Step-by-step explanation:

The formula for the volume of a cylinder = πr²h

r = Radius = 4 inches

h = Height = 5 inches

Volume of a Cylinder = π × 4² × 5

= 251.32741 cubic inches

Approximately , the Volume of the cylinder = 251.33 cubic inches.

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If Richard can paint their living room in 4 hours, and Vanessa can paint the same living room in 5 hours, then how long will it
Tju [1.3M]

Answer:

2 hrs 13 mins

Step-by-step explanation:

If Richard can paint the living room in 4 hrs, then in 1 hour he can paint 1/4 of the living .

If Vanessa can paint the living room in 5 hours, then in one hour, she can paint 1/5 of the living room.

In one hour Richard and Vanessa can paint 1/4 + 1/5 = 1/y

y is the number of hours it will take both Richard and Vanessa to paint the living room. 1/y is how much of the house they can paint in one hour.

1/4 + 1/5 = 1/y

(5 + 4)/20. ( find the LCM)

9/20 = 1/y

9y= 20

y = 20/9

y = 2.22hrs

y = 2 hrs 13 mins

4 0
3 years ago
How many liters give u 3.1KL
MariettaO [177]

Answer:

3100 liters

Step-by-step explanation:

multiply the value by 1000

7 0
2 years ago
PLEASE HELPPPPPPPPP!!!!?!?! ASAP WILL GIVE BRAINLIEST IF CORRECT PLSSS AND THANK YOU.
Assoli18 [71]

Answer:

square root of 14

Step-by-step explanation:

square root of 7 to the square is 7

7+7 = 14

square root of 14 can't be simpliflied

8 0
3 years ago
A fluid moves through a tube of length 1 meter and radius r=0.006±0.00025 meters under a pressure p=4⋅105±2000 pascals, at a rat
iris [78.8K]

Answer:

Maximum error for viscosity is 17.14%

Step-by-step explanation:

We know that everything is changing with respect to the time, "r" is changing with respect to the time, and also "p" just "v" will not change with the time according to the information given, so we can find the implicit derivative with respect to the time, and since

n = (\frac{\pi}{8}) (\frac{pr^4}{v})\\

The implicit derivative with respect to the time would be

\frac{dn}{dt}  = \frac{\pi}{8} ( \frac{r^4}{v} \frac{dp}{dt}  + \frac{4pr^3}{v}\frac{dr}{dt} )

If we multiply everything by    dt   we get  

dn  = \frac{\pi}{8} ( \frac{r^4}{v} dp  + \frac{4pr^3}{v}  dr})

Remember that  the error is given by   \frac{dn}{n}   therefore doing some algebra we get that

\frac{dn}{n}  =    4 \frac{dr}{r}  +  \frac{dp}{p}

Since,    r = 0.006   ,   dr = 0.00025 ,  p = 4*105   ,   dp = 2000  we get that

\frac{dn}{n} = 0.1714

Which means that  the maximum error for viscosity is 17.14%.  

5 0
2 years ago
The unit rate of 15 degrees in 2 hours
Neporo4naja [7]
Solution: 7.5 Degrees per hour

Reasoning: 15/2 is equal to 7 1/2 or 7.5
5 0
2 years ago
Read 2 more answers
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