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Brilliant_brown [7]
3 years ago
6

Is -13x+3 increasing or decreasing negative or positive slope????

Mathematics
1 answer:
Dafna11 [192]3 years ago
6 0

-13x + 3 is decreasing and has a negative slope.

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In an experiment, college students were given either four quarters or a $1 bill and they could either keep the money or spend it
gavmur [86]

Answer:

a) P(A|B) = \frac{15/83}{44/83} =\frac{15}{44}=0.341

b) P(B|A) = \frac{29/83}{44/83} =\frac{29}{44}=0.659

c)  A. A student given a $1 bill is more likely to have kept the money.

Because the probability 0.659 is atmoslt two times greater than 0.341

Step-by-step explanation:

Assuming the following table:

                                                     Purchased Gum      Kept the Money   Total

Students Given 4 Quarters              25                              14                      39

Students Given $1 Bill                       15                               29                    44

Total                                                   40                              43                     83

a. find the probability of randomly selecting a student who spent the money, given that the student was given a $1 bill.

For this case let's define the following events

B= "student was given $1 Bill"

A="The student spent the money"

For this case we want this conditional probability:

P(A|B) =\frac{P(A and B)}{P(B)}

We have that P(A)= \frac{40}{83} , P(B)= \frac{44}{83}, P(A and B)= \frac{15}{83}

And if we replace we got:

P(A|B) = \frac{15/83}{44/83} =\frac{15}{44}=0.341

b. find the probability of randomly selecting a student who kept the money, given that the student was given a $1 bill.

For this case let's define the following events

B= "student was given $1 Bill"

A="The student kept the money"

For this case we want this conditional probability:

P(A|B) =\frac{P(A and B)}{P(B)}

We have that P(A)= \frac{43}{83} , P(B)= \frac{44}{83}, P(A and B)= \frac{29}{83}

And if we replace we got:

P(B|A) = \frac{29/83}{44/83} =\frac{29}{44}=0.659

c. what do the preceding results suggest?

For this case the best solution is:

A. A student given a $1 bill is more likely to have kept the money.

Because the probability 0.659 is atmoslt two times greater than 0.341

3 0
3 years ago
8+4=8<br> 6+5=30<br> 4+3=12<br> THEN 10+ 6 =?
kari74 [83]

Answer:

this is a trick question. the answer is most likely just 16 lol

3 0
1 year ago
Read 2 more answers
Angles JHI and GJH are inscribed angles. We have that m∠JHI = b and m∠GJH = a by the . Angle JHI is an exterior angle of triangl
77julia77 [94]

Answer:

In order:

inscribed angle theorem

GJH

substitution

4 0
2 years ago
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VOLLEYBALL. This is for volleyball players, name 5 facts about safety in volleyball. (such as why u should have knee pads)
Sholpan [36]

Answer:

  1. you can scrap your knee if you don't have knee pads
  2. you can get hit with a ball if you don't stay away from the net
  3. be careful of your soundings because you could hit someone
  4. cover your mouth when your coughing and playing at the same time
  5. keep your eyes one the ball

Step-by-step explanation:

8 0
2 years ago
Mr.Robinson ordered 4 cheeseburgers for $2.95 each and 4 sodas for $1.59 each. If he paid with a $20 bill, how much change did h
Fynjy0 [20]
4 x 2.95 = 11.80$
4 x 1.59 = 6.36$
11.80 + 6.36 = 18.16 $
20 - 18.16 = 1.84

Mr. Robinson will get $1.84 in change
5 0
2 years ago
Read 2 more answers
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