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2 years ago

david has 12 baseball hats. david and his brothers have more than 19 hats combined. how many hats could david’s brothers have?

Mathematics

1 answer:

Elena L [17]2 years ago

6 0

Answer:

Davids brother has more then 7 hats

Step-by-step explanation:

because together they have 19 and david himself has 12. 19-12 equals 7 and the question states that have more then 19 hats together so we know his brother has to have 7 hats but we dont know how many more he has.

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ivolga24 [154]

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Step-by-step explanation:

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3 years ago

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2 years ago

A used car dealer has 30 cars and 10 of them are lemons (i.e.~ mechanically faulty used cars), and you don't know which is which

Triss [41]

Answer: Hence, the probability that he will get at least one lemon is 0.70.

Step-by-step explanation:

Since we have given that

Number of cars = 30

Number of lemon cars = 10

Number of other than lemon cars = 30-10 = 20

According to question, he bought 3 cars,

we need to find the probability that you will get at least one lemon.

So, P(X≤1)=1-P(X=0)=1-P(no lemon)

Here, P(no lemon ) is given by

$\dfrac{20}{30}\times \dfrac{20}{30}\times \dfrac{20}{30}=(\dfrac{20}{30})^3$

so, it becomes,

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Hence, the probability that he will get at least one lemon is 0.70.

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3 years ago

P-value for p = 0.23 is closest to: 0.006 or 0.40?

inn [45]

Answer:

0.40 I'm pretty sure tbh

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2 years ago

Given that f(x)=x2+2x +3 and g(x)=X+4/3, solve for f(g(x)) when X=2

wlad13 [49]

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