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Serhud [2]
4 years ago
15

Jack opens a bank account with $80 and decides to deposit $25 each month into the account. Which equation can be used to find th

e number of months after which Jack will have $405 in his account?
Mathematics
1 answer:
kupik [55]4 years ago
7 0
<span>405=25n+80 

Hope this helped!</span>
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What is the approximate volume of a can that is 5 inches tall and has a 2.5 inch diameter?
MrMuchimi

Answer:

  24.5 cubic inches

Step-by-step explanation:

The formula for the volume of a cylinder is ...

  V = πr²h

A can with a diameter of 2.5 inches has a radius of 1.25 inches. Filling in the given values, the volume is ...

  V = π(1.25²)(5) = 7.8125π ≈ 24.54 . . . . cubic inches

The approximate volume is 24.5 cubic inches.

4 0
3 years ago
Read 2 more answers
What is the domain and range and function ??? Then can u explain how u did it please and thank you
enot [183]
The domain is
- 10 \leqslant x \leqslant 10
and the range is
- 5 \leqslant y \leqslant 5
Domain is x values (horizontal axis), while range is y values (vertical axis). On a line like this one, domain is calculated from the left most point to the right most, while range is calculated from the down most to the upmost.
Because this line is a solid line rather than a dotted line, less than or equal to
\leqslant
signs are used rather than just
<
less than signs.


6 0
3 years ago
The speed of a stream is 4 mph. A boat travels 10 miles upstream in the same time it takes to travel 18 miles downstream. What i
marin [14]

Answer:

This is an RTD question. Here is a table based on the given information:

up/down . . . .rate . . . .time . . . .distance

upstream . . . . r-4 . . . . T . . . . 7

downstream . . . . r+4 . . . . T . . . .15

Now, rate x time = distance, so

time = distance / rate.

solve each for T and we get

T = (7/(r-4))

T = (15/(r+4))

set the times equal and we get

7%2F%28r-4%29+=+15%2F%28r%2B4%29

cross multiply to get

7r+%2B+28+=+15r+-+60

subtract 7r to get

28+=+8r+-+60

add 60 to both sides to get

88+=+8r

divide by 8 to get

r+=+8tep

4 0
3 years ago
Pls select all correct answers. GIVE BRAINLIEST FIRST
monitta

Answer:

(1, -1) Sorry if its not right

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
The volume of a cylinder is approximately 72 feet cubed. Which is the best approximation of the volume of a cone with the same b
Nastasia [14]

Hey there! I'm happy to help!

To find the volume of a cylinder, you multiply the base by the height and then divide by three. The volume of a cone is the same as the volume of a cylinder with the same dimensions divided by three.

So, since a cone's volume is 1/3 of that of a cylinder, we just divide 72 by 3!

72/3=24

Therefore, the volume of the cone is 24 feet cubed.

Have a wonderful day! :D

8 0
4 years ago
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