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Maru [420]
3 years ago
9

All help is appreciated! A die is rolled two separate times. What is the probability that the first roll is a 4 and then the sec

ond roll is a 2?
Mathematics
1 answer:
iogann1982 [59]3 years ago
7 0

Answer:

1/36

Step-by-step explanation:

Probability first roll is a 4, 1/6

Probability second roll is a 2, 1/6

1/6x1/6=1/36

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I need help with # 14 and 15 ASAP... It is due tomorrow ..can some one please help me with it
Angelina_Jolie [31]

Answer:

See explanation

Step-by-step explanation:

A. Gasoline fill-up fee = $4.50

Cost per hour = $40

Average cost = C

Number of hours the scootcar is rented = h

Cost per h hours = $40h

Total cost = $40h + $4.50

Hence,

C = 40h+4.5

B. To plot the graph of the function, find h- and C- intercepts.

When h = 0, then C = 4.5, and we have point (0,4.5)

When C = 0, then 0 = 40h + 4.5, h = -45/400 = -0.1125, and we have point (-0.1125,0)

Plot these two points and connect them with a straight line.

Graph is attached, but you should take only that part of the graph that corresponds to points with h > 0, because the number of hours cannot be negative

8 0
3 years ago
The sqaure root of 1/5 of a number is 5. find the number
Mamont248 [21]

Answer:

25

Step-by-step explanation:

The number that we are trying to discover was divided by 5, which gave you the number of 5. To find the original number multiply 5 by 5. I hope this helps.

5 0
3 years ago
A researcher thinks that a person's mood has an effect on how helpful that person is likely to be. To test this, the researcher
eimsori [14]

Answer:

One possible confound for the experiment is the attitude of the research assistants.

Step-by-step explanation:

A confounder simply means a variable that has impact in influencing both the dependent variable and independent variable, causing a spurious association.

So, we can conclude that the attitudes of the research assistants have positive and negative impacts in determining the reactions of both participants in the experiment.

The rudeness of a research assistant will negatively impact the response of the participant allocated to him/her.

The calmness of the other research assistant will positively impact the response of the participant allocated to him/her.

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MaRussiya [10]

Answer:

17 feet

Step-by-step explanation:

A=2(wl+hl+hw)

5 0
3 years ago
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Insert the “equal” sign or the “not equal” sign (= or #) to make each statement true.
dexar [7]

a.18/36#12

b.13/15#1140

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3 years ago
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