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svetoff [14.1K]
3 years ago
5

If the original quantity is 20 and the new quantity is 16​, what is the percent​ decrease?

Mathematics
1 answer:
zlopas [31]3 years ago
6 0

Answer:

20%

Step-by-step explanation:

20 minus 20% equals 16.

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What is two plus 480=1
Svetllana [295]

Answer:

the answer is 54t0876pypy0586958568

Step-by-step explanation:


4 0
3 years ago
I need help with these.
sattari [20]

Answer:

See below.

Step-by-step explanation:

1.

5^2 + 12^2 = x^2

25 + 144 = x^2

169 = x^2

x = 13

2.

3^2 + x^2 = [sqrt(10)]^2

9 + x^2 = 10

x^2 = 1

x = 1

3.

1^2 + x^2 = 4^2

1 + x^2 = 16

x^2 = 15

x = sqrt(15)

4.

[sqrt(27)]^2 + x^2 = 6^2

27 + x^2 = 36

x^2 = 9

x = 3

5.

15/5 = c/sqrt(29)

5c = 15 * sqrt(29)

c = 3sqrt(29)

6.

26/13 = x/12

2 = x/12

x = 24

7 0
3 years ago
If - 6x +11 = 29 then 5x = ?
weeeeeb [17]

Answer:

5x= -15 I think

Step-by-step explanation:

You would have to solve the -6x+11=29 to find the value of x. To do so you would subtract the 11 from both sides leaving you with -6x=18. Then you divide that by -6 to find x. So x=-3. To find what 5x equals you would just plug in -3 as x and multiply 5(-3). Leaving you with -15.

5 0
3 years ago
Which of the following is an example of an irrational number?
svetoff [14.1K]

Answer:

D. square root of 2

Step-by-step explanation:

The square root of 2 is an irrational number because it cannot be written as a ratio of two integers.

5 0
3 years ago
at a school number of boys:number of girls = 9:7 . There are 116 more boys than girls. Work out the total number at the school
Westkost [7]
612 Boys and 476 Girls
8 0
3 years ago
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