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Dmitriy789 [7]
2 years ago
13

Leona places a cone with a volume of 512 cm3 into a rectangular fish tank that has two square faces, each with sides measuring 2

0cm, and three rectangular each that are 49cm long and 20cm wide. How much of the total volume of the fish take is left to be filled with water ?
Mathematics
1 answer:
satela [25.4K]2 years ago
6 0

Answer:

the answer is 556

Step-by-step explanation:

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Five students wrote a mathematics test. The average mark was 68. If the marks for four of the students were 75, 62, 84 and 53, t
konstantin123 [22]

Answer:

66

Step-by-step explanation:

Use the formula for the mean of a set of numbers:

                  sum of the numbers

average = --------------------------------

                     count of numbers

Here we know that the average mark was 68, so we can write:

               

                           75 + 62 + 84 + 53 + x

average = 68 = ----------------------------------

                                           5

or                            274 + x

                  68 = -------------------

                                    5

Solving for x, we multiply both sides by 5:     340 = 274 + x.

Subtracting 274 from both sides effectively isolates x:

 340 = 274 + x

- 274    -274

------------------------

  66      =    x

The fifth student's mark was 66.

4 0
3 years ago
Rewrite the following radical term into rational exponent form. √x
bixtya [17]

Answer:

x¹/²

Step-by-step explanation:

Taking the square root of a number is the same as taking it to the power of one half.

3 0
2 years ago
Eliza Savage received a statement from her bank showing a checking account balance of $324.18 as of January 18. Her own checkboo
Komok [63]
I think B..
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3 0
3 years ago
Can you help me here pls?
patriot [66]

Answer:

57.82 jddnhdhdhdgdggd

7 0
2 years ago
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Answer: 2.50

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