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3 years ago

Pls help me ASAP I have other homework to do and I don’t have time for this. It also detects if it’s right or wrong:(

Mathematics

2 answers:

ikadub [295]3 years ago

5 0

Answer:

$20

Step-by-step explanation:

you divide 40 by the two tickets and get $20.

lawyer [7]3 years ago

3 0

Answer:

$20

Step-by-step explanation:

2 into 40 = 20

3 into 60 = 20

4 into 80 = 20

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If P(A)=0.4, P(A and B)=0.2,and P(A or B)=0.5, What is P(B)

Vladimir [108]

Answer:

$\boxed{\ P(B)=0.3 \ }$

Step-by-step explanation:

Hi,

We know that

P(A or B)=P(A)+P(B)-P(A and B)

so P(B)= P(A or B) - P(A) + P(A and B)

P(B) = 0.5 - 0.4 + 0.2 = 0.3

thanks

6 0

3 years ago

A population of deer in an area is 2000 and is decreasing at a rate of 15% per year. At this rate what will the deer population

Pepsi [2]

2000 × 15% = 300
300 × 5 = 1500
2000 - 1500 = 500 population after 5 years

4 0

3 years ago

A science test, which is worth 100 points, consists of 24 questions. Each question is worth either 3 points or 5 points. If x is

Brilliant_brown [7]

The solution to the system of equations is (x, y) = (10, 14), where x is the number of 3-point questions and y is the number of 5-point questions. The appropriate choice is ...
The test contains 10 three-point questions and 14 five-point questions. (2nd selection)

6 0

3 years ago

If 2k - 3 = 9 (k+7)-3 then k is ????

m_a_m_a [10]

Answer:

k= -9

Step-by-step explanation:

2k-3=9k+63-3 [expand the 9(k+7) first]

2k-9k=63-3+3 [put the like terms together]

-7k=63 [do the simple math]

k= 63 ÷ by -7

k=-9

4 0

3 years ago

Read 2 more answers

For the equation W = -175t + 8,750, how much water is left after 6 hours?

barxatty [35]

Answer:

7,700

Step-by-step explanation:

-175 x 6 = -1,050

-1,050 + 8,750 = 7,700

5 0

3 years ago