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Usimov [2.4K]
3 years ago
14

The walnut middle school cafeteria staff wants to know which types of pizza to serve. The staff surveys every 5th student that w

alks into the cafeteria about their pizza preference. Identify the sample as biased or unbiased and describe its type
Mathematics
1 answer:
Lynna [10]3 years ago
3 0
7777777554455444334fev dry t4.5566555654
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Anna baked
Hitman42 [59]

Answer:

expression for cookies  Anna have 3c- 8

Step-by-step explanation:

Given:

Number of cookie batches Anna baked = 2

Number of cookies in each batch = c

Number of cookies Anna ate  = 8

To Find:

An expression representing the number of cookies left with Anna

Solution:

Let the expression representing the number of cookies left with Anna be y

First let us find the total number of cookies Anna baked

She baked 3 batches of cookies and each batch had c cookies in it

So,

Total number of cookies Anna baked =  number batches X Number of cookies in each batch

=>3 \times c

=> 3c

Now Anna ate 8 from 3c cookies, so she will be left with

=>3c-8 cookies

So , y = 3c- 8

5 0
4 years ago
A bookstore packs six books in a box the total weight of the books is 14 1/4 pound each book has the same weight what is the wei
Charra [1.4K]
The weight of one book would be 2.375.
6 0
4 years ago
Please if you know please help
Anna35 [415]

Answer:

6

10

42

B1 + B2 x H x 1/2

6 0
3 years ago
What is the work for -2/3+1/2?
pishuonlain [190]
-2/3(2/2)= -4/6

1/2(3/3)= 3/6

-4/6+3/6= -1/6

The answer is -1/6. Hope this helps!
6 0
4 years ago
Please help due today!
iVinArrow [24]

Answer:

  • 20.6

Step-by-step explanation:

<u>Coordinates given:</u>

  • D(-3,2)
  • E(4,2)
  • F(4,-3)

<u>Plotted, these points give a right triangle with hypotenuse DF</u>

  • Distance DE = 4 - (-3) = 7
  • Distance EF = 2 - (-3) = 5
  • Distance DF = √(7²+5²) = √84 = 8.6

<u>Perimeter</u>

  • P = 7 + 5 + 8.6 = 20.6

4 0
4 years ago
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