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saul85 [17]
3 years ago
13

When a teacher divided her students into groups of four, she had three students remaining. when she divided them into groups of

five, she had four students remaining. there were fewer than 40 students in the class. how many students could be in the class?
Mathematics
1 answer:
AfilCa [17]3 years ago
5 0
39 students....39/4 = 9 remainder 3
                       39/5 = 7 remainder 4

ur answer is 39
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Help! Math Homework.
Alenkinab [10]
To solve problem 1 what you need to do is figure out how many miles the girls have walked so far and then subtract that from the total distance they must complete.

3/4-(3/10+1/4)

Step 1:Change the denominators so that way they are all the same

3/4=15/20
3/10=6/20              15/20-(6/20+5/20)
1/4=5/20

Step 2: Begin solving the problem

6/20+5/20=11/20
15/20-11/20=4/20

Step 3: Simplify your answer

4/20=1/5

Step 4 (is optional): Write your answer in a complete statement

The three girls walk 1/5mile together to school

Answer: A

I hope this is correct and if not I apologize for giving false information.

8 0
3 years ago
A 27 1⁄2-mile stretch of road needs repaving. A company bid on the repaving project, saying they would repave 2 1⁄4 miles of roa
Umnica [9.8K]

Answer:

The correct answer is 12 and a half or 13 weeks.

Step-by-step explanation:

First, convert the values to decimals.

27 1/2 = 27.5

2 1/4 = 2.25

Then, divide miles of road that need to be repaved by the number of miles that are repaved per week.

27.5/2.25 = 12.2222222222222

Round that up to 12 and a half weeks or 13 weeks.

8 0
3 years ago
Write the equation of the line that has a slope of -2 and goes through the point (-3,4).
liubo4ka [24]

<u>SOLUTION:</u>

General Equation: y = mx + b

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Substitute slope = -2 into the equation:

y = -2x + b

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Find the y-intercept:

4 = -2(-3) + b

4 = 6 + b

b = -2

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Substitute b = -2 into the equation:

y = -2x - 2

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Answer: y = -2x - 2

4 0
4 years ago
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natta225 [31]

Answer:

r = d - 1 \\ d = 3 \\ r = (3) - 1 \\ r = 2

8 0
3 years ago
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Answer:

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Step-by-step explan

just yes, that

3 0
3 years ago
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