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Gnom [1K]
2 years ago
7

Pls help i need it!!!

Mathematics
1 answer:
Stels [109]2 years ago
6 0

Answer:

there were rivalries between African leaders.

Step-by-step explanation:

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A swimming pool has an area of 40 square meters. It’s length is 8 meters. What is the width?
kifflom [539]
5 since 40 divided by 8 is 5.
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What is 21 of 60 asa presentage?
ikadub [295]
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PLEASE HELP GIVING BRAINLIEST TO CORRECT ANSWER
Vedmedyk [2.9K]

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The answer is: The third option/C

Step-by-step explanation:

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A bag contains three red marbles, three green ones, one lavender one, one How many sets of five marbles include at least two red
dimaraw [331]

Answer with Step-by-step explanation:

The number of marbles are as under

3 red , 3 green , 1 Lavender total = 7

Now to select five marbles from a total of 7 marbles such that at least 2 marbles are included are the sum of the following cases:

1) We select 2 exactly 2 red marbles from 3 reds and the remaining 3 marbles are selected from 4 of other colours

Thus n_{1}=\binom{3}{2}\binom{4}{3}=\frac{3!}{2!}\cdot \frac{4!}{3!}=12

2)We select all the 3 red marbles and the remaining 2 are selected from the remaining 4 marbles

n_2=\binom{4}{2}=\frac{4!}{2!\cdot 2!}=6

Thus the total number of ways are n_1+n_2=12+6=18

3 0
3 years ago
Attend to precision. The equation y − 160 = 40(x − 1) represents the height in feet, y, of a hot-air balloon x minutes after the
sineoko [7]

Answer:

Step-by-step explanation:

a. the balloon is rising because the slope is positive. the slope is 40 because when you simplify y-160 = 40 (x-1) it gets you y = 40x +120

b. it is ascending (bc positive) at 40 feet per minute

c. it was at 120 feet in the air. The 120 is the y intercept

6 0
3 years ago
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