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Annette [7]
2 years ago
8

To find out whether the students really like the school's lunch, the school randomly selects half of the student body to survey

about the school's lunch.
Is this sample of students likely to be biased or unbiased?

biased

unbiased
Mathematics
1 answer:
AleksAgata [21]2 years ago
3 0
I think it will be unbiased 

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Answer:

Step-by-step explanation:

The perimeter is basically the outline of the shape. The perimeter of a rectangle is given by P=2l+2w, where l is the length and w is the width. Thus, the perimeter of the flower bed would be given by P=2(3n5o)+2(5n5o).

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{Can you please help hurry}
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303-63=240 miles that she can drive
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Sheldon wants to buy a laptop that costs $ 450 from an electronics store . He has two coupons to choose from coupon A which give
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Answer:

Coupon B

Step-by-step explanation:

Given

Price = \$450

Coupon\ A = \$80

Coupon\ B = 20.5\%

Required

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From the question, we have:

Coupon\ A = \$80

Coupon\ B = 20.5\%

Coupon B means that:

Coupon\ B = 20.5\% * \$450

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Coupon\ B = \$92.25

By comparison:

Coupon B gives him a better buy because: \$92.25 > \$80

7 0
3 years ago
Asap<br> It is for past paper that is due in tomorrow 29th
love history [14]

Answer:

(i) 22.5

(ii) 7.2

Step-by-step explanation:

(i)

AB:PQ = 2:5 = 1:2.5

So PQ is 2.5 times longer than AB.

PQ=2.5AB=(2.5)9=22.5

(ii):

Since the triangles are similar, their sides are in ratio to each other. So if PQ was 2.5 times longer than AB, QR must also be 2.5 times longer than BC:

QR=2.5BC

BC=QR/2.5=18/2.5=7.2

7 0
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Since it’s adding you are gonna do the inverse operation which is subtract so subtract 17 from both sides. You will then get x is less or equal to -20 then u divide both by one
3 0
3 years ago
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