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inna [77]
2 years ago
13

Simplify (4r - s) - (r + 2s) + (3r - s) A.) 6r - 3s B.) 8r C.) 3r - 2s D.) 6r - 4s

Mathematics
1 answer:
docker41 [41]2 years ago
6 0

Answer: D

Step-by-step explanation:

4r-r+3r can be simplified to just 6r

-s-2s-s can be simplified to just -4s

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dybincka [34]
Road learning: Just take out one 0 for tens, two 0 for hundreds and three 0 for thousands. The answer is 600.
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Find the slope of 9x=3y+5
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<u>9x</u> = <u>3y + 5</u>
 9         9
x = 1/3y + 5/9
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3 years ago
You are working on an assignment for your statistics class. You need to estimate the proportion of students at your college who
Ede4ka [16]

Answer:

B, Work with the math instructors to create a list of students currently taking a math class. Randomly select

Step-by-step explanation:

Let's think of each scenario at a time.

(A) We select 100 students enrolled in college randomly that should be fine because we are taking only students that can take classes. this rules out faculty members and any other persons but also there may be students that will never take any math course as part of their study plan, this is ruled out on that basis.

(B)if we take 100 students from the list of math instructor, that will ensure that we have taken students that are taking math class now, and math is part of their study plan, seems fine.

(C) visiting cafeteria randomly on multiple days will give us random persons that may not even be enrolled in university. this can be ruled out on that basis.

(D)Ten class at random and surveying each student in every class will make sampling size large or small depending on students enrolled in each of the class this will not give us reliable results.

We can conclude that (B) is the beast method for obtaining reliable results.

6 0
3 years ago
3. company pays a greater annual salary? Show your Company A offers a semimonthly salary of $2432, and Company B offers a biweek
Eduardwww [97]
Company A offer
2,432×24(semimonthly)
=58,368 per year

Company B offer
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So company B pays a greater annual salary

Hope it helps!
5 0
3 years ago
A popular fruit juice mixture contains 2 cups of grape juice for every 3 cups of apple juice. Three students made fruit juice mi
MakcuM [25]

Answer: Mary

Step-by-step explanation: 2:3 x 2 = 4:6

4 0
3 years ago
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