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Vitek1552 [10]
3 years ago
7

A3-9a2b + ab - 9b2 Can someone help please

Mathematics
1 answer:
Murrr4er [49]3 years ago
7 0

Answer:

(a−9b)(a2+b)

Step-by-step explanation:

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How long will it take her to travel 72 miles? use the unit ratio to solve the following problem.
Luden [163]

Answer:

It will take Noshwa 3 hours and 36 minutes to travel 72 miles.

Step-by-step explanation:

Since Noshwa is completing the bike portion of a triathlon, assuming that she travels 40 miles in 2.5 hours, to determine how long will it take her to travel 72 miles, the following calculation must be performed:

40 = 2.5

72 = X

72 x 2.5 / 50 = X

180/50 = X

3.6 = X

1 = 60

0.6 = X

0.6 x 60 = X

36 = X

Therefore, it will take Noshwa 3 hours and 36 minutes to travel 72 miles.

7 0
3 years ago
4<br> • You Try!<br> Find the midpoint of the two following points (1,3) (3, 11)
Ann [662]

x1+x2/2 + y1 +y2/2

= 1 +3/2 + 3+11/2

= (2;7)

8 0
2 years ago
Evaluate the following expression:<br> 3 + 2(4 + 7)
Romashka [77]

Answer:

25

Step-by-step explanation:

Let's simplify this, while still doing it.

3 + 2(4 + 7)

3 + 2(11)

3 + 22

25.

the answer is 25!!

5 0
3 years ago
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Please let me know what the answer is​
ratelena [41]

Answer:

It will be A m>-6

Step-by-step explanation:

8 0
2 years ago
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If 4 people are selected from a group of 6 married couples, what is the probability that none of them would be married to each o
Ludmilka [50]

Answer:

16/33

Step-by-step explanation:

12C4(total possible outcomes)=495

Since there are 6 married couples there must be 6*[2C2×10C2]=270

must subtracted 15 since when there are 2 couples in a group would have doubled 270-15=255

the no of groupings with no married couples 495-255 =240

probability=no of favourable outcomes /no of possible outcome

probability=240/495= 16/33

6 0
3 years ago
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