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maksim [4K]
3 years ago
11

why woould you use the associative property of multiplication to solve (10×4) ×2? how would you you regroup the factors?

Mathematics
1 answer:
Dahasolnce [82]3 years ago
8 0
(1+2)+3=1+(2+3) that is your awnser
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A bag contains 5 red, 6 green, 7 yellow, and 8 blue jelly beans. A jelly bean is selected at random. What is the probability tha
Slav-nsk [51]

Answer:

4/13 is the probability does a blue Jelly Bean is selected

Step-by-step explanation:

sample space = sum of all the jelly beans in the bag

sample space =5+6+7+8

sample space =26

probability = Jelly Bean selected / sample space

probability =8/26

probability =4/13

4 0
3 years ago
Write the equation of a line that is perpendicular to the given line and that passes through the given point.
OverLord2011 [107]

Answer:

y=5x+17

Step-by-step explanation:

perpendicular slope is 5

y-7=5(x+2) convert this equation into slope intercept and that's your answer


5 0
3 years ago
One plane can travel 30 miles per hour faster than another. one of them goes 185 miles in the same time it takes the other to go
ycow [4]
Plane #1 speed:  x mph
Plane #2 speed:  (x+30) mph

time = time becomes

170 mi        185 mi
---------- = --------------
      x             x+30

Solving for x, the speed of the slower plane, we get

170x + 5100 = 185 x
                                           5100
Then 15x = 5100, and x = ---------- (mi/hr) = 340 mph
                                              15

The slower plane flies at 340 mph, and the faster one at 370 mph.
6 0
3 years ago
Write a situation that could be represented by the algebraic expression 3a + 2.15.
nordsb [41]

Answer:

5.15

Step-by-step explanation:

5.15 = 3a + 2.15

5.15 - 2.15 = 3a

3.15 = 3a

a = 0.05

I hope this helps you :)

8 0
3 years ago
MULTIPLE CHOICE (see image) AND WRITE A BRIEF EXPLANATION
tankabanditka [31]

Answer:

The third circle on the bottom

Step-by-step explanation:

looking at it tells you that none of the other answers were correct.

8 0
3 years ago
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