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Reika [66]
3 years ago
12

Find x, given that the mean of 50, 70, 70, 80, 90, 100, 120 and x is 110

Mathematics
1 answer:
Svetlanka [38]3 years ago
3 0

Value of " x " is :

\boxed{ \boxed{300}}

\mathrm{✌TeeNForeveR✌}

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If f(x)=3x-15, then f^-1(x) =<br> solve for x please
amid [387]
1.  Replace f(x) with y:  y = 3x - 15
2.  Interchange x and y:  x = 3y - 15
3.  Solve this for y:  3y = x + 15, and y = (x + 15)/3
4.  Replace y with 

   -1                -1
 f   (x):           f   (x) = (x + 15) / 3            (answer)
5 0
3 years ago
In basketball there are 3 ways to score: a free throw, worth 1 point, two
bazaltina [42]

Answer:

D

Step-by-step explanation:

I think it's D. Because you have that free shots give you 1 point so it is 1x or x , then you have two pointers which give you 2 points so it is 2y and you have three pointers which give you 3 points so it is 3z

4 0
3 years ago
3. How many 1/8's are in 1 1/4?
Murrr4er [49]

Answer:

10

Step-by-step explanation:

There are two 1/8 in one 1/4. There are eight 1/8 in 1. 8/8 + 1/8 + 1/8 = ten 1/8.

3 0
3 years ago
A wood frame costs $1.50. Use a property to write an equivalent expression for the cost of a wood frame.
podryga [215]
Let the width of the frame = x
Let the cost of a linear foot of the frame = y
Let the inside dimension of the length of the frame = a
Let the inside dimension of the width of the frame = b.

The total length of the frame = 2*a + 4x
The total width of the frame = 2b

The total amount of the frame in feet is (2a + 4x + 2b)*y = Cost
If this is incorrect please leave a message on my home page.
6 0
3 years ago
Evaluate -16 - 9x<br> When x= 3
vfiekz [6]

Answer:

-43

Step-by-step explanation:

first we need to do 9x witch would be 9x3 so 9x3 is 27 now its down to -16 - 27 and that is -43

8 0
3 years ago
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