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castortr0y [4]
3 years ago
10

When playing their favorite game bobby scored 139,750 points while alex scored 99,190 points. Which of the following is the best

estimate of how many more points bobby scored then alex?
A. 410,000
B. 59,000
C. 41,000
D. 5,900
Mathematics
1 answer:
Helen [10]3 years ago
5 0

Answer: C. 41,000

Step-by-step explanation:

Step 1. Find the difference between Bobby’s score and Alex’s score. To do that subtract Alex’s score from Bobby’s score.

139,750-99,190= 40,560.

Step 2. Now all we got to do is round it up to the nearest thousand. From looking at the multiple choices here the closest number to a thousand would be C.41,000.

Hope this helps!

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2. In a given population of two-earner male-female couples, male earnings have a mean of $40,000 per year and a standard deviati
Kobotan [32]

Answer: $85,000

Step-by-step explanation:

Given : In a given population of two-earner male-female couples, male earnings have a mean of $40,000 per year and a standard deviation of $12,000.

\mu_M=40,000\ \ ;\sigma_M=12,000

Female earnings have a mean of $45,000 per year and a standard deviation of $18,000.

\mu_F=45,000\ \ ;\sigma_F=18,000

If  C denote the combined earnings for a randomly selected couple.

Then, the mean of C will be :-

\mu_c=\mu_M+\mu_F\\\\=40,000+45,000=85,000

Hence, the mean of C = $85,000

8 0
3 years ago
(-2v^7)^3 (-4v^2)^4
Sunny_sXe [5.5K]
I hope this helps you

7 0
3 years ago
On Sunday, a local hamburger shop sold a combined total of 414 hamburgers and cheeseburgers. The number of cheeseburgers sold wa
dsp73
414 divided by 2= 207
divided by 2 because two times the number
207 hamburgers sold
7 0
3 years ago
You are asked to choose a vowel (a, e, i, o, u) from a list, and then to choose either the number 6 or 7. How many possible outc
faltersainse [42]

Answer:

10 possible outcomes

S = {a6, a7, e6, e7, i6, i7, o6, o7, u6, u7}

Step-by-step explanation:

As there are 5 vowels and 2 numbers that have to be chosen, the total outcomes are

= 5x2 = 10

Each vowel can be chosen with 6 or with 7

Let S be the sample space

a vowel will be chosen first then there is possibility that either the number chosen with it is either 6 or 7 so each vowel will have two possible outcomes with the number

S = {a6, a7, e6, e7, i6, i7, o6, o7, u6, u7} ..

4 0
3 years ago
The area of circle Z is 64. What is the value of r? r = ____ft
andrezito [222]
Given the circle has a radius of 64, to get the value of the radius,r we shall proceed as follows.
Area=πr^2
Thus;
64=πr^2
64/π=r^2
r^2=20.3718
r=sqrt(20.3718)
r=4.5135
Therefore the length of radius,r=4.5135 units
5 0
3 years ago
Read 2 more answers
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