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My name is Ann [436]
3 years ago
9

The prior probability that an entering undergraduate student will get their BA is 0.48. 65% of students who graduate entered wit

h a good high-school GPA. 40% of entering undergraduate students who don't graduate also had a good high-school GPA upon entering. The probability of an entering college student getting their BA if they have a good high school GPA is
Mathematics
1 answer:
BartSMP [9]3 years ago
8 0

Answer:

0.312

Step-by-step explanation:

Probability (of an entering college student getting their BA if they have a good high school GPA) means that the entering college student will get their BA and had a good high school GPA = Probability (an entering college student will get their BA) × Probability (of students who graduate that entered with a good high school GPA) = 0.48 × 0.65 = 0.312

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Ellie drives 22.5 miles in 45 minutes. If she drove three hours in total at the same rate, how far did she go?
Cloud [144]

Answer:

90

Step-by-step explanation:

3 hours = 180 mins

180 ÷ 45 = 4. so Ellie will drive 4x more miles in 3 hours.

22.5 × 4 = 90

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$45.50, 15% markup what is the total
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$52.324

Step-by-step explanation:

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3 years ago
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Find the inverse of each function. Is the inverse a function? f(x)=x⁷
Luda [366]

The inverse of the function x^7 is x^-7 and it is also a function.

An inverse function or an anti function is defined as a function, which can reverse into another function.

A standard method to find inverse of a function is to set y=f(x)

let y= f(x)=x^7

thus

\sqrt[7]{y}=x

thus f^{-1}(y)=\sqrt[7]{y}

thus f^{-1} (x)=\sqrt[7]{x}

(To verify this if a function is inverse or not we are required to check for the identity)

f(f^{-1}(x))=f^{-1}(f(x))=x

Therefore, The inverse of the function x^7 is x^-7 and it is also a function.

For further reference:

brainly.com/question/2541698?referrer=searchResults

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3 0
2 years ago
Which of the following is a solution to the system of nonlinear equations below?
Temka [501]
Y = x^2 . . . (1)
y = -x + 2 . . . (2)
Putting (1) into (2) gives,
x^2 = -x + 2
x^2 + x - 2 = 0
x^2 - x + 2x - 2 = 0
x(x - 1) + 2(x - 1) = 0
(x + 2)(x - 1) = 0
x = -2 or x = 1
y = (-2)^2 or y = (1)^2
y = 4 or y = 1

Solution is (-2, 4) and (1, 1)

3 0
4 years ago
Fifty people were surveyed about their favorite flavor of frozen yogurt. The results of the survey are displayed in the circle g
ankoles [38]

Answer:

2

Step-by-step explanation:

4 divided by 2 equals 2

5 0
3 years ago
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