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Rashid [163]
3 years ago
11

You earn $13 for every hour that you babysit. Because you do such a fantastic job, you are also given a $20 tip at the end of th

e evening. Write an expression for how much you earn after h hours.
What is the right expression
Mathematics
1 answer:
andrezito [222]3 years ago
7 0

Answer:

Step-by-step explanation:

y(h)=13h+20

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X represents the amount of materials she buys.
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Which type of wetland includes a mixture of salt water and fresh water?
NeX [460]

Answer:

coastal wetlands

Step-by-step explanation:

Have a great day <3

6 0
2 years ago
We want to determine if the probability that a student enrolled in an accelerated math pathway is independent of whether the stu
Molodets [167]

Answer:

The correct option is (c).

Step-by-step explanation:

The complete question is:

The data for the student enrollment at a college in Southern California is:

                    Traditional          Accelerated            Total

                  Math-pathway     Math-pathway

Female              1244                       116                   1360

Male                  1054                       54                    1108

Total                  2298                     170                  2468

We want to determine if the probability that a student enrolled in an accelerated math pathway is independent of whether the student is female. Which of the following pairs of probabilities is not a useful comparison?

a. 1360/2468 and 116/170

b. 170/2468 and 116/1360

c. 1360/2468 and 170/2468

Solution:

If two events <em>A</em> and <em>B</em> are independent then:

P(A|B)=P(A)\\\\\&\\\\P(B|A)=P(B)

In this case we need to determine whether a student enrolled in an accelerated math pathway is independent of the student being a female.

Consider the following probabilities:

P (F|A) = \farc{116}{170}\\\\P(A|F)=\frac{116}{1360}\\\\P(A)=\frac{170}{2468}\\\\P(F)=\frac{1360}{2468}

If the two events are independent then:

P (F|A) = P(F)

&

P (A|F) = P (A)

But what would not be a valid comparison is:

P (A) = P(F)

Thus, the correct option is (c).

4 0
3 years ago
Enter a numerical expression for the word expression 10 decreased by 4
bulgar [2K]
10-4=6. can it be like this.
7 0
3 years ago
Read 2 more answers
Need help on these, thank you!
Minchanka [31]
Where are you come from
8 0
3 years ago
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