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Rashid [163]
3 years ago
14

Need helpppp gajsgajshajda​

Mathematics
1 answer:
marissa [1.9K]3 years ago
8 0
Answer: 1.) 14.66666666666667
2.) 20

Steps:
1.) 180 = 3x + 136
180 -136 = 3x
44 = 3x
44/3 = x
14.66666666666667 = x

2.) 70 + x = 90
x = 90 - 70
x = 20

I would appreciate brainliest if this was helpful and correct! ;)
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Find mean, median and mode of 140, 130, 90, 80, 60, 50, 30, 20, 10, 0
Alecsey [184]
For the mean you would have to add up all the numbers up and divide by the amount of numbers. For your problem you would get 610/10= 61. 

For the median you would arrange all the numbers in order from least to greatest and cancel one from the left and one from the right each time. Since there is no middle number, the closest would be 50 and 60. Thus you you add 50+60 and get 110 and then divide by 2 giving you 55.

For the mode, there is no mode because none of the numbers repeat more than once.

I hope this clarifies your doubt. :)
3 0
3 years ago
How to simplify 14+5(x+3)-7x
aivan3 [116]
<span>14+5(x+3)-7x
14 + 5x + 15 - 7x
29 - 2x</span>
4 0
3 years ago
Read 2 more answers
Find the value of x in the figure given that SU = 133.<br><br> A) 7<br> B) 9<br> C) 11<br> D) 8
Alekssandra [29.7K]

Answer:

The answer is 9 (B)

Step-by-step explanation:

I got 9 because you have to plug in answer (7, 9, 11, 8) in each equation than add them both together. I first plugged in 7 for x in the equation 9x-5. I got 58. I plugged in 7 for x in the equation 5x+12 and got 47. When I added both the answers together I got 105. The answer was to low because SU has to be 133. I plugged in 9 for x in both equations then added them both and got 133 for SU. I hope this helps.

4 0
3 years ago
Read 2 more answers
6 more than a number is at most 10.&lt;------Put as an inequality.The sum of a number and 14 is at least 18&lt;----Put as an ine
lord [1]
X+6 less than or equal to 10 
X+14 greater than or equal to 18
6 0
3 years ago
I have having a problem with this equation 3(-2-3x) = -9x-4
inn [45]

Answer:

3(-2-3x) = 9x-4

-6-9x = 9x-4

-6+6-9x = 9x-4+6

-9x = 9x+2

-9x-9x = 9x-9x+2

-18x = 2

-18x÷(-18) = 2÷(-18)

x = -(1/9)

Thank you

BY GERALD GREAT

6 0
3 years ago
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