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Reika [66]
2 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]2 years ago
3 0

Value of " x " is :

\boxed{ \boxed{300}}

\mathrm{✌TeeNForeveR✌}

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12.
pashok25 [27]

<span>Last year, the average math SAT score for students at one school was 475. The headmaster then introduced a new teaching method hoping to improve scores. This year, the mean math SAT score for a sample of students was 491. The headmaster concluded that the new teaching method produces higher SAT scores. The problem with reporting results this way is voluntary response. The information of how the teaching method isnot mentioned.</span>

8 0
3 years ago
In the diagram below segment DEF is shown(since all three letters are shown, they are collinear). If DE=3x+2, EF= x+5, and DF= 2
amm1812

The value of x is 4.

By Geometry, we know that line segment DF = DE + EF, which is equivalent to:

DF = 3\cdot x + 2 + x + 5

DF = 4\cdot x + 7 (1)

Now we solve algebraically the resulting expression.

If we know that DF = 23, then we solve the equation for x:

4\cdot x + 7 = 23

4\cdot x = 16

x = 4

The value of x is 4.

We kindly invite to see this question on line segments: brainly.com/question/23297288

6 0
2 years ago
What is the greatest common factor of the terms in the excerpt 21 x -18 x + 28 x y
Mandarinka [93]
X(21-18+28y). axis the greatest common factor
3 0
3 years ago
A cookie jar contains 6 chocolate chip cookies, 4 oatmeal cookies, 8 peanut butter cookies, and 2 sugar cookies. If a cookie is
Tpy6a [65]
You have 20 cookies total in the jar.  The probability of choosing an oatmeal is 4/20, and the probability of choosing a peanut butter cookie is 8/20.  In order to find the probability of pulling a peanut butter cookie OR an oatmeal cookie, we have to add the probabilities together.  8/20 + 4/20 = 12/20 or 6/10 or 3/5.  The answer is C.
7 0
3 years ago
A taxi cab company charges two dollars plus $.80 for each mile if you have $10 how many miles can you travel what type of functi
Delicious77 [7]

Answer:

You can go 10 miles.

Step-by-step explanation:

10-2= 8

8/.8= 10

10 miles

5 0
3 years ago
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