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3 years ago

Use the given information to determine which lines, if any , are parallel

Mathematics

1 answer:

Ksenya-84 [330]3 years ago

5 0

Answer:

both are parrallel lines

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A student must choose exactly two out of three electives: art, French, and mathematics. He chooses art with probability 5/8, Fre

miskamm [114]

Answer:

The probability of choosing mathematics =P(M)= $\frac{3}{4}$

The probability that he chooses either art or French=1

Step-by-step explanation:

We are given that a student must choose exactly two out of three elective subjects : art ,french and mathematics.

The probability of choosing art= $\frac{5}{8}$

The probability of choosing french = $\frac{5}{8}$

The probability of choosing French and art= $\frac{1}{4}$

Let A ,F and M denotes the students of art,french and mathematics.

$P(A)=P(A\cap M)+P(A\cap F)$

$P(A\cap F)+P(A\cap M)=\frac{5}{8}$

$P(F\cap M)+P(F\cap A)=P(F)=\frac{5}{8}$

Probability of choosing mathematics only=0

Probability of choosing French only =0

Probability of choosing art only =0

Probability of choosing all three subjects =0

$P(M)=P(M\cap A)+P(M\cap F)$

$P(A\cap F)=\frac{1}{4}$

Substitute the value then we get

$P(A\cap M)=\frac{5}{8}-\frac{1}{4}==\frac{3}{8}$

$P(F\cap M)=\frac{5}{8}-\frac{1}{4}=\frac{3}{8}$

Therefore, $P(M)=P(A\cap M)+P(F\cap M)=\frac{3}{8}+\frac{3}{8}=\frac{6}{8}=\frac{3}{4}$

Hence, the probability of choosing mathematics =P(M)= $\frac{3}{4}$

$P(A\cup F)=P(A)+P(F)-P(A\cap F)$

$P(A\cup F)=\frac{5}{8}+\frac{5}{8}-\frac{1}{4}$

$P(A\cup F)=\frac{5+5-2}{8}=1$

Hence, the probability that he chooses either art or French=1

5 0

3 years ago

Help please!!!<br><br> If 3/7 m= 7/3 n, then what is the value of m/n ?

Svetradugi [14.3K]

Answer:

3m / 7 = 7n / 3

49n = 9m

9m / 49n = 1

m / n = 49 / 9

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

4 quarts = how many cups

weeeeeb [17]

The answer is 16 cups, because of this graph. Look at the graph

1 pint=2 cups
1 quart=4 cups/2 pints
1 gallon=16 cups/8 pints/4 quarts

A quart equals 4 cups, and the answer you want is how many cups are in 4 quarts, so you do 4 times 4, because there are 4 cups in a quart, and you want to find the cups of 4 quarts, so you do 4 times 4, which equals 16 cups. So your answer is 16 cups.
Answer=16 cups

PLZ VOTE AS BRAINLIEST ANSWER!!! PLZ

7 0

3 years ago

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Shaun and Trudy are selling raffle tickets. So far, Shaun has sold x tickets. Trudy has sold 3 more tickets than half the number

Kipish [7]

S=x
T=1/2x+3
Total= 1 1/2x + 3

5 0

3 years ago

5. Here are the first four terms of an arithmetic sequence: 6, 10, 14, 18..

Mademuasel [1]

Answer:

it hard too