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Leviafan [203]
3 years ago
7

Roger had 20 minutes to do a three-problem quiz. He spent 11 and 3/4 minutes on question A and 6 1/2

Mathematics
1 answer:
lukranit [14]3 years ago
3 0

Answer:

20-11 3/4 = 8 1/4

8 1/4 - 6 2/4 = 1 3/4 left

Step-by-step explanation:

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HELP
EleoNora [17]

Answer:

x = 7 & y = 8

Step-by-step explanation:

We know that

Mean = Sum of terms/Total terms

=> Mean = 4 + 6 + x + y + 10/5

=> Mean = 20 + x + y/5

Now,

Median = (n + 1)/2

=> Median = (5 + 1)/2

=> Median = 6/3

=> Median = 3rd term = x

So,

x = 20 + x + y/5

x × 5 = 20 + x + y

5x = 20 + x + y

5x - x = 20 + y

4x = 20 + y

Since x and y are in order so,

Possible outcomes will be 7,8 & 9

(7,8) & (8,9) & (7,9)

Taking x = 7 and y = 8

4(7) = 20 + 8

28 = 28

Hence,

x = 7 and y = 8

5 0
2 years ago
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luda_lava [24]

Answer:

y = 7x^2  + 42x + 64

Step-by-step explanation:

... i know standard form, you just distribute the exponent to the parenthesis amounts and put it in order, hope it helps

5 0
3 years ago
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A tree cast a shadow 21 meters long
Delicious77 [7]

Step-by-step explanation:

I do not understand .____.

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2 years ago
A Population of 50 Fruit Flies is Increased At A Rate of 6% per Day
andriy [413]

Answer:


Per how many days?

Step-by-step explanation:


5 0
2 years ago
7+3x-12x=3x+1 is it Infinitely many solutions, one solution, or no solutions with steps please
alisha [4.7K]

Answer:

  • One solution

Step-by-step explanation:

  • 7 + 3x - 12x = 3x + 1
  • 7 - 9x = 3x + 1
  • 3x + 9x = 7 - 1
  • 12x = 6
  • x = 6/12
  • x = 1/2

It has one solution

3 0
3 years ago
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