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diamong [38]
3 years ago
13

Help needed asap please help me

Mathematics
1 answer:
Liula [17]3 years ago
3 0
1 is the property of distribution, and idk the rest lol lol lol lol
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Sandra took 4 tests in math and her mean score was 18. I she scored 18, 22, and
Salsk061 [2.6K]

Answer:

15

Step-by-step explanation:

(18+22+17+x)/4=18

18+22+17+x=18×4

57+x=72

x=72-57

x=15

7 0
3 years ago
What is the slope of the line through (-9, 6) and (-3, 9)?<br> Choose 1 answer:
trasher [3.6K]

Given: Points (-9, 6) and (-3, 9)

Find:  The slope of the line that goes through those two points

Solution: In order to find the slope of the line that goes through the points that were provided we have to use the slope formula.  This formula subtracts the y-coordinates from each other and also the x-coordinates from each other to determine the rise/run which would give us the rate of change.

<u>Plug in the values</u>

  • m = \frac{y_2 - y_1}{x_2 - x_1}
  • m = \frac{9 - 6}{-3 - (-9)}

<u>Simplify the expression</u>

  • m = \frac{3}{-3 + 9}
  • m = \frac{3}{6}
  • m = \frac{1}{2}

Therefore, looking at the given options we can see that the best fitting one would be option A, 1/2.

4 0
2 years ago
Read 2 more answers
A jetliner cruises 12 miles for every 60 gallons of fuel it uses . If it used 1,200 gallons of fuel how many miles did it cruise
Romashka [77]
60g/12miles = 5g/mile
So, 1200g / 5g = 240 miles
3 0
4 years ago
Solve the inequality <br> 52 - 3x &lt; -14
nata0808 [166]

Answer:

x>22

Step-by-step explanation:

Solve the inequality:

-3x<-14-52

-3x<-66

x>22

( You have to switch the sign because you are dividing by a minus)

6 0
3 years ago
If 5x+5=50 <br> then solve for x
pav-90 [236]

Answer:

9

Step-by-step explanation:

5 x 9 is 45 plus 5 gives you 50

6 0
2 years ago
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