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rosijanka [135]
3 years ago
12

Bailey brought a rectangular prism shaped fish tank the tanks length is 20 inches width is 12 inches and the height is 18 inches

how much water will it take to fill the tank
Mathematics
1 answer:
kvasek [131]3 years ago
6 0

Answer:

4,320 in³ of water

Step-by-step explanation:

v = 20*12*18

v = 4,320 in³ of water

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Please show the work/explain. I need to write it down.
Maksim231197 [3]

9514 1404 393

Answer:

  • 20 months
  • $5500

Step-by-step explanation:

There are a couple of ways to work a problem like this. You have probably been taught to write equations for each of the payment amounts as a function of time, then equate those values to solve for the time that makes them equal.

  at dealer 1, the total amount paid (y) will be a function of months (x):

     y = 2500 +150x

  at dealer 2, the corresponding equation is ...

     y = 3000 +125x

These are equal when ...

  y = y

  2500 +150x = 3000 +125x

  25x = 500 . . . . . . . . . subtract 125x +2500 from both sides

  x = 500/25 = 20

The total paid will be the same after 20 months.

That amount is ...

  y = 2500 +150(20) = 5500

$5500 will be paid to either dealer after 20 months.

__

The other way to work the problem is to "cut to the chase". The difference in down payment is made up at the rate of difference in monthly payments. So The number of monthly payments (x) required to equal the difference in down payments is ...

  25x = 500 . . . . . . . . . you may recognize this equation from above

  x = 500/25 = 20

5 0
3 years ago
Plssss helpp I’ll mark u brainliest fr
garri49 [273]
Answer: it’s the 3’rd one

Explanation: I hope this helps
5 0
3 years ago
Julia is taking a test with multiple choice and true/false question the test has twentg question altogether . julia gets five po
Sonbull [250]
X=number of corect
y=number of incorrect
5 points for each correct so 5x
-1 point for each incorrect so -y

5x-y=76
solve for x and y

I like putting it into slope intercep tofrm which is y=mx+b
add y to both sides
5x=76+y
subtract 76 from both sides
5x-75=y
y=5x-76

subsitute values for x and get values for y
remember, that julia cannot answer a negative number of incorrect questions so y must be greater than or equal to 0

so solve for minimum
0<u><</u>5x-76
add 76 to both sides
76<u><</u>5x
divide by 5
15.2<u><</u>x
you cannot answer a fraction of a correct quesiton so round up
16 is the minumum number of queswtions correctlyh answered


so
x<u>></u>16

subsitute 16 for x
y=5(16)-76
y=80-76
y=4

as we subsitute more numbers over 16, we get these points
so (x,y) 
(16,4)
(17,9)
(18,14)
(19,19)
(20,24)
(21,29)
(22,34)
(23,39)
x=correct answer
y=wrong answers
5 0
3 years ago
Help if you know pls and thanks
enot [183]
5/14 is the answer
Good luck on the test lol-
7 0
2 years ago
Read 2 more answers
Convert: a. 48 m^2 to ________________ cm^2
Lubov Fominskaja [6]

Step-by-step explanation:

1 m = 100 cm So

48 × 100 = 4800 cm

1m = 1000mm

456 mm into m

= 456 ÷ 1000

= 0.456 m

4 0
3 years ago
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