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siniylev [52]
3 years ago
13

A teacher weights the following grades as follows:

Mathematics
1 answer:
Semmy [17]3 years ago
7 0

Answer:

Final exam, Homework, Projects, quizzes

Step-by-step explanation:

15% is the lowest, 1/5 is 20% so that's next, 25% is the next largest, and 0.4 is 40%

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Of 30 students 1/3 play sports 2/5 of them play soccer how many play soccer
vfiekz [6]
30 ÷ 3 = 10 = 1/3. So 10 students play sports. 10 ÷ 5 = 2 = 1/5, so 2 × 2 = 4 = 2/5. Your answer is 4 students. I hope this helps!
4 0
3 years ago
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if i have 80 people and there are 4 phones how long would it take for 80 people to.complete one phone call
svp [43]
Depends how long each call is.
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6 0
3 years ago
Help me please answer all thanks
Ronch [10]
The coordinates are 3,3
8 0
3 years ago
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A chemistry teacher needs to mix a 20% salt solution with a 80% salt solution to make 25 qt of a 44% salt solution. How many qua
NNADVOKAT [17]
Let there be x quarts of the 20% salt solution, and (25 - x) quarts of the 80% salt solution.
Then the total amount of salt in the 20% portion would be 0.2x, while that from the 80% portion would be (0.8)(25 - x). This would have to total up to (0.44)(25) in the final solution, so the equation is:
0.2x + 0.8(25 - x) = (0.44)(25)
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5 0
3 years ago
Jenny was in charge of selling tickets to a family fun night at her school
ra1l [238]
I’ve attached my work below for #4
5) 8% is equivalent to 8 cents so each item was $1.08
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6) the moon is 250,000 miles away which is about driving around earth 10 times which would take 6 months (not sure about this one)

Hope this helps!
Have a nice day :)

4 0
3 years ago
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