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2 years ago

8. Fifty students are trying to raise at least $12.500 for a class trip. They

Mathematics

1 answer:

lions [1.4K]2 years ago

7 0

Answer: Each student should raise $225

Step-by-step explanation:

$12,500-$1,250= $11,250

$11,250/50= $225

Check answer:

$225x50= $11,250

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3 years ago

A store is selling a shirt for 1/4 off the original price of 28. what is the sale price of the shirt

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3 years ago

Please help! solve for x!

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2 years ago

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James surveyed people at school and asked whether they bring their lunch to school or buy their lunch at school more often. The

Brrunno [24]

Answer:

The correct option is 4.

Step-by-step explanation:

Given information:

Bring lunch : 46 males, 254 females

Buy lunch : 176 males, 264 females

Total number of peoples is

$46+254+176+264=740$

Total number of males is

$46+176=222$

The probability of male is

$P(Male)=\frac{Males}{Total}=\frac{222}{740} =0.3$

Since probability of males is 0.3, therefore options A and C are incorrect.

Total number of persons who buys lunch is

$176+264=440$

The probability of persons who buys lunch is

$P(\text{Buys lunch})=\frac{\text{Buys lunch}}{Total}=\frac{440}{740} =\frac{22}{37}$

We need to find the probability of P(male | buys lunch).

According to the conditional probability, we get

$P(\frac{A}{B})=\frac{P(A\cap B)}{P(B)}$

P(male | buys lunch) $=\frac{P(\text{male }\cap \text{ buys lunch})}{P(\text{buys lunch})}$

P(male | buys lunch) $=\frac{\frac{176}{740}}{\frac{22}{37}}$

P(male | buys lunch) $=\frac{2}{5}=0.4$

Therefore the correct option is 4.

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3 years ago

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HELP ASAP WILL GIVE BRAINLIEST

max2010maxim [7]

It should be zero solutions since the lines never intersect.

I mean it could also be viewed as if they intersect at every point so I'm sorry if its wrong (the M is slightly above the N so it should be parallel)

Its perpendicular if it only intersected at one point- 1 solution
If it intersects at every point- infinitely many solutions

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3 years ago

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