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Mumz [18]
4 years ago
5

Giving a test to a group of students, the grades and gender are summarized below. if one student was chosen at random, find the

probability that the student was female. male total 39 female total 26
Mathematics
1 answer:
Anastasy [175]4 years ago
3 0
Answer: 40% of the total population is female.

To find the probability that a student is female, first add up both the number of males and females.

39 + 26 = 65

Now, divide the total number of females by 65 and multiply by 100.

26 / 60 = 0.4 x 100 = 40%
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What is the intermediate step in the form (x + a)2 = b as a result of completing the
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(x + 7)^2 = 64

Step-by-step explanation:

x^2 + 23x – 19 = 9x - 4

x^2 + 23x - 9x = -4 + 19

x^2 + 14x = 15 = 0

Completing the square:

(x + 14/2)^2 - (14/2)^2 = 15

(x + 7)^2 - 49 = 15

(x + 7)^2 = 64

8 0
3 years ago
Juanita begins to factor an expression as shown.
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(x + 6)(x - 3)

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6 0
3 years ago
2 and 7 form what type of angle pair? A. corresponding angles B. alternate interior angles C. consecutive interior angles D. alt
Over [174]

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  D.  alternate exterior angles

Step-by-step explanation:

Neither of the angles is between parallel lines a and b, so they are "exterior." They are on opposite sides of transversal c, so are "alternate".

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3 0
4 years ago
After 6 months you have the same account balance as your friend and you have saved 280$. Write a linear equation that represents
astra-53 [7]

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y = 20x + 280

Step-by-step explanation:

The linear equation that represent your account balance is as follows:

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Now the equation of the account balance is

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4 0
3 years ago
Please explain your answer as well!
larisa86 [58]
Class A                                    Class B
1 2 3 4 5 6 7 8       4      1 2
            2 3 4 9       5      9
            1 1 4 8       6      2 4 9
                     1       7      1 5 7 8 8
                  2 5       8      0 3 4 4 6 6 7
                     0       9      2 2 5

<u>Mode and Mean for Class A</u>
Mode: 61
Mean: 57.8

<u>Range and Median for Class B</u>
Range: 54
Median: 78
7 0
4 years ago
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