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erik [133]
3 years ago
5

In number 8 the options are

Mathematics
2 answers:
Tresset [83]3 years ago
7 0
9) is 180-(67+28)=85 because a triangle will always equal 180 degrees you take the other two add them together and subtract them from 180.

10) A flat line is 180 degrees and if a line cuts through two perpendicular lines it will bisect at the same angle. so 180-125=x=55 degrees
jeka943 years ago
3 0
I think the answer is c
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A regular hexagon has a perimeter of 18x - 30. What is the length of each side?
Ksenya-84 [330]
The answer would be 3x - 5 
Hope this helps!!!

4 0
4 years ago
In his free time, Gary spends 14 hours per week on the Internet and 12 hours per week playing video games. If Gary has five hour
stepan [7]

Answer:

A.) 52%

Step-by-step explanation:

14+12=26

26/5=5.2

you now have 5.2, then you take the decimal and move it over to make a percentage.

6 0
4 years ago
Need answer ASAP please
bulgar [2K]

Answer:

0.44444444444, round it to the tenth or hundredth or wherever it tells you to round the answers to.

5 0
3 years ago
Read 2 more answers
Please help with this!
anastassius [24]

Answer:

7.5/5 = 1.5

6/1.5 = 4

X = 4

I'm pretty sure it's right

8 0
3 years ago
Oliver works at a book store.He packed 20 identical paperbacks and 9 identical textbooks in a box .The total mass of the book wa
Natasha_Volkova [10]
Let x be the mass of the paperbacks and y be the mass of the textbook.

20x + 9y = 44.4 ----------- (1)
25x + 10y = 51 -------------(2)

(1) x 10:
200x + 90y = 444 --------(1a)

(2) x 9:
225x + 90y = 459 --------(2a)

(2a) - (1a):
25x = 15
x = 0.6 -------- sub into (1)

20 (0.6) + 9y = 44.4
12 + 9y = 44.4
9y = 44.4 - 12
9y = 32.4
y = 3.6 

So the paperback's mass is 0.6 pounds and textbook is 3.6 pounds




7 0
3 years ago
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