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iren2701 [21]
3 years ago
13

Please answer A,B,C &D. Question is in the pic.​

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
7 0

Answer:

A. same point.

b. in center

c. triangle centroid

d. single point

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Solve
victus00 [196]

Answer:

x=14 , y = 21

Step-by-step explanation:

y=x-7...............1

5x+2y=7......2

reset eqn .....2

2y=-5x+7

so; y=-x-7 ×5

2y=-5x+7 ×1

5y = -5x -35

2y = -5x +7

5y-2y = -5 + 5 -35-7

<u>3y</u> = - <u>42</u>

3 3

y = 14

sub y=14 into eqn ...........1

y = -x -7

14 = - x -7

14 +7 = - x

-21 = x

x = 14 , y =-21

3 0
2 years ago
What is the probability of rolling a number greater than or equal to 9 with the sum of two dice, given that at least one of the
olga55 [171]
Conditional probablility P(A/B) = P(A and B) / P(B). Here, A is sum of two dice being greater than or equal to 9 and B is at least one of the dice showing 6. Number of ways two dice faces can sum up to 9 = (3, 6), (4, 5), (4, 6), (5, 4), (5, 5), (5, 6), (6, 3), (6, 4), (6, 5), (6, 6) = 10 ways. Number of ways that at least one of the dice must show 6 = (1, 6), (2, 6), (3, 6), (4, 6), (5, 6), (6, 6), (6, 5), (6, 4), (6, 3), (6, 2), (6, 1) = 11 ways. Number of ways of rolling a number greater than or equal to 9 and at least one of the dice showing 6 = (3, 6), (4, 6), (5, 6), (6, 3), (6, 4), (6, 5), (6, 6) = 7 ways. Probability of rolling a number greater than or equal to 9 given that at least one of the dice must show a 6 = 7 / 11
6 0
3 years ago
Of all the students enrolled at the American dream, 9% are playing a music instrument. There are 330 students in ADS. How many s
Genrish500 [490]
Exactly 29.7, but you can't have 7/10 of a student so you round to 30. So 30 students are playing a music instrument because 330 times 0.09 is about 30
5 0
3 years ago
Simplify the expression x + 5+ 3.
JulsSmile [24]

Answer:

x  + 8

Step-by-step explanation:

x + 5 + 3.

add the numbers

↓

x + 8  

8 0
3 years ago
Read 2 more answers
What is the answer to X^2-61=20
Reika [66]
X^2 -61 =20
X^2= 81x =9 x=-9
7 0
3 years ago
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