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iragen [17]
3 years ago
5

$18 is what percent of 20$

Mathematics
1 answer:
DIA [1.3K]3 years ago
7 0

Answer:

18 is 90% of 20

Step-by-step explanation:

an easy way to do this is 18/20

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Time between 22:30 and 04:20
Svetlanka [38]
The answer would be 5 hours and 50 minuets. It would be this because 2230 equals 10:30 count the hours between 1030 and 430 6 hrs then minus 10 min because the last hr isnt a full hour because it doesnt make it to 430.
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Please help on this khan problem i can't word it right so there is attachments for the introductions and options for answers
Gwar [14]

Answer:

c

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because it is a outlier we can assume these 2 things:

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both the median and mean decreased, but the mean decreased more than the median

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3 years ago
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GIven the function f(x) = 3x +1: (A) Find the inverse of f^-1(x). (B) Find f^-1(6)
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The inverse function is equal to f-1(x) = (x - 1)/3 and the value at f-1(6) is equal to 5/3.

To find the inverse, you need to switch the f(x) and x in the equation. Then you can solve for the new f(x). The result will be the inverse (f-1)

f(x) = 3x + 1 ----> Switch f(x) and x

x = 3f(x) + 1 ----> Subtract 1

x - 1 = 3f(x) ----> Divide by 3.

f-1(x) = (x - 1)/3

Now that we have the inverse, we can plug 6 in to get the value at f-1(6).

f-1(x) = (x - 1)/3

f-1(6) = (6 - 1)/3

f-1(6) = 5/3

3 0
3 years ago
What is the surface area of this shape? ​
ivanzaharov [21]

Step-by-step explanation:

surface area if pyramid=area of base+combined area of lateral faces.

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3 years ago
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If you cut the rectangle (the wall) diagonally, you get two congruent triangles. The measurements of the sides of one the triangles is 8, 15 and x. There is a pythagorean triples 8, 15, 17 so x has to be 17. if you dont know the triple you can do a^2 + b^2 = c^2         8^2 + 15^2 = c^2     c = 17

the diagonal of wall should be 17

8 0
4 years ago
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