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kap26 [50]
2 years ago
6

A painting class charges a $55 registration fee plus an additional $25 for each week that you attend. Write an equation that cou

ld be used to find the total cost y for someone to attend the class for any number of weeks x. Then find how much it would cost for 7 weeks.
Mathematics
1 answer:
lilavasa [31]2 years ago
4 0

Answer:

y=25x+55

7 weeks = 230

gyhbgt

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Suppose at a large university, 60% of the students have a Visa card and 40% of the students have a MasterCard. Also, 30% of the
Doss [256]

Answer:

0.6,0.7,0.3 neither disjoint nor independent.

Step-by-step explanation:

Given that at a large university, 60% of the students have a Visa card and 40% of the students have a MasterCard.

A= visa card

B = Master card

P(A) = 0.60 and P(B) = 0.40

P(AUB)' = 0.30

i.e. P(AUB) = 0.70

Or P(A)+P(B)-P(AB) =0.70

P(AB)= 0.30

Randomly select a student from the university.

1) the probability that this student does not have a MasterCard.

= P(B') = 1-0.4 =0.6

2.  the probability that this student has either a Visa card or a MasterCard.

=P(AUB) = 0.70

3. Calculate the probability that this student has neither a Visa card nor a MasterCard.

=P(AUB)' = 0.30

4. Are the events A and B disjoint? Are the events A and B independent?

A and B have common prob 0.30 hence not disjoint.

P(AB) ≠P(A)P(B)

Hence not independent

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3 years ago
Plz help all 3 i'll give brainiest if right.!!!
Andrew [12]
A.) y= 5/4x+16
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A) (3,2),(2,1)<br><br> B) (3,-2),(-2,1)<br><br> C) (-3,2),(-2,-1)<br><br> D) (-3,-2),(2,-1)
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Answer:

d

Step-by-step explanation:


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3 years ago
15=3/5(6x + 20) solve for x
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The surface area of a pyramid is always squared. Hope that helps
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