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sleet_krkn [62]
2 years ago
15

A class’s test scores are normally distributed if the average score 60 and the standard deviation is 7 choose the spots where th

e students scoring below 46 and above 74 lie
Mathematics
2 answers:
AleksandrR [38]2 years ago
6 0

Answer: Look at the picture below

Step-by-step explanation: I got this right on Edmentum

Brrunno [24]2 years ago
5 0

Answer:

46

Step-by-step explanation:

We are given that a  class's test scores are normally distributed with an average score of 60.

We know that the curve of a normal distribution is symmetric about its mean.

60-14=46

60+14=74

Hence, the point 46 lies to the left of the mean and 74 lies to the right of the mean, and the two points have the same function value.

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Given the following functions f(x) and g(x), solve for (f ⋅ g)(2) and select the correct answer below:
Marizza181 [45]
<h3>Answer:</h3>

-84

<h3>Explanation:</h3>

(f·g)(2) = f(2)·g(2)

... = (3·2²+2)·(2-8) = 14·(-6) = -84 . . . . . put the numbers in the function and do the arithmetic

7 0
3 years ago
Read 2 more answers
Mark gathered data about the number of pink and red flowers that bloomed on several of his flowering shrubs. The scatter plot sh
fgiga [73]

The scatter plot showing data gathered and line of best fit is attached below :

Answer:

69

Step-by-step explanation:

Given the regression model :

y = 1.73x + 0.0924

Where,

y = number of pink flowers

x = Red flowers

Slope = 1.73

Intercept = 0.0924

The number of pink flower that are predicted to bloom on a shrub of 40 red flowers :

Put x = 40 and calculate the value of y

y = 1.73(40) + 0.0924

y = 69.2 + 0.0924

y = 69.2924

Number of pink flowers = 69

8 0
3 years ago
Factor completely:<br> 21) x2 – 2x - 8
mojhsa [17]

Answer: x = -2 and 4

Step-by-step explanation:

x^2 - 2x - 8 = 0

(x - 4)(x + 2) = 0

4 0
3 years ago
Find the values of the variables, giving brief reasons for your answers.
Yuki888 [10]

Answer:

55

Step-by-step explanation:

Because of the parallel lines (marked by those arrows) we know that the corner angles are the same:

110 - x = x so

110 = 2x

55 = x

4 0
2 years ago
Harvey Alson invested $7,500 in a 2-year CD that pays 6% interest compounded quarterly. What is the amount of interest that Harv
irga5000 [103]
A=7,500×(1+0.06÷4)^(4×2)
A=8,448.69

Interest earned=8,448.69−7,500
Interest earned=948.69
5 0
3 years ago
Read 2 more answers
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