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raketka [301]
2 years ago
13

Two lines that intersect to form right angle are called

Mathematics
1 answer:
Sergio039 [100]2 years ago
4 0

Answer:

perpendicular

Step-by-step explanation:

When 2 lines intersect at any point, not just in the middle of each (that has nothing to do with it), and they meet to form right angles, the lines are perpendicular to one another and their slopes are opposite reciprocals.

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9x^2+34x+21

Step-by-step explanation:

distribute all the numbers

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Use the slope formula to determine the slope of the line that passes through the points R (1, 2) and S (5, 7)
Citrus2011 [14]
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A driving exam consists of 30 ​multiple-choice questions. Each of the 30 answers is either right or wrong. Suppose the probabili
Butoxors [25]

Answer:

a. P(x>20)=0.19

b. P(x≥6)=0.72

c. P(x≤20)=0.81

d. A and C

Step-by-step explanation:

We know that:

1) the probability that a student makes fewer than 6 mistakes is 0.28

P(x

2) The probaiblity that a student makes between 6 to 20 mistakes is 0.53.

P(6\leq x\leq20)=0.53

We will express the proabilibities in function of the information we have.

a. Probability that a student makes more than 20 mistakes.

P(x>20)=1-P(x\leq20)=1-(P(x20)=1-(0.28+0.53)=1-0.81=0.19

b. Probability that the student make 6 or more mistakes

P(x\geq6)=1-P(Px

c. Probability that a student makes 20 mistakes at most

P(x\leq20)=P(x

d. A and C, because A takes a event of more than 20 mistakes and C takes the event of 20 or less mistakes. Both events cover a probability of 1.

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2 years ago
Solve the compound inequality 7x > –35 and 3x ≤ 30.
docker41 [41]

Answer:

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Step-by-step explanation:

-35/7=-5

7x/7=x

3x/3=x

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2 years ago
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