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valentina_108 [34]
2 years ago
8

A school principal wants to find out if his school needs more bike racks. A survey is taken of 30 students who

Mathematics
1 answer:
lana [24]2 years ago
3 0

Answer: This sample may be biased because he is only asking the bike riders when in reality there might be a majority of students who instead take an alternate form of transportation

Step-by-step explanation:

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What is the solution to 2x+6=20
True [87]

2x+6=20

2x=20-6

2x=14

x=14/2

x=7

3 0
2 years ago
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16. a. Melissa earned $112.80 for working an 8 hour shift at the Apple Store. What is her hourly rate of pay?
Luda [366]
Her hourly rate of pay would be $14.1 an hour because $112.8 divided by 8 is $14.1
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3 years ago
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Derek estimated the cost of his grocery bill to be $75, but it actually cost $110. Find the percent error rounded to the nearest
zhannawk [14.2K]

 The absolute change in price was $12−$8=$4.  Relative to the original price, it was 412, which is 0.3333 or 33.33%.

The answer was 1,150.0 but as a whole number its 1,150.

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3 years ago
The polygon Q(3, 2), R(6,5), S(6, 2)
ycow [4]

Answer:

Q' (12,8) , R'( 24,20) and S' (24,8)

Step-by-step explanation:

Here, we want to get the coordinates of the image after dilating the pre-image by a scale factor of 4

What we have to do here is to multiply each of the coordinate on the pre-image by 4

We have this as;

Q' = (4*3, 2 * 4) = (12,8)

R' = (4*6, 4*5) = (24,20)

s' = (4*6, 4*2) = (24,8)

4 0
3 years ago
Represent the following sentence as an algebraic expression, where "a number" is the letter x. You do not need to simplify.
My name is Ann [436]
<h3>Answer:  (2x)^3</h3>

Work Shown:

x = some unknown number

2x = twice the number

(2x)^3 = cubing the previous result

If you want to simplify this expression, then you would get 8x^3 since 2^3 = 8.

4 0
2 years ago
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