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jolli1 [7]
3 years ago
15

A teacher polled only the 8th grade students in English classrooms on what their favorite color is. She found that the favorite

color of the school is blue. What kind of sample is this?
Mathematics
1 answer:
amid [387]3 years ago
4 0

Answer:

This is a biased sample.

Step-by-step explanation:

This is because she gave a random sample, but the she had the convenience of the students being with her when she surveyed. So it'e not actually random. She could also worded the survey or gave a biased response.

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What is the greatest decimal in hundredths that can be rounded to 14.5? What is the least​
olga55 [171]

Answer:

  • 14.45 and 14.54

Step-by-step explanation:

<u>Rule for rounding:</u>

  • Round up if number is between 5 and 9
  • Round down if number is between 0 and 4

<u>What numbers in hundredths can be rounded to 14.5?</u>

  • 14.45 to 14.49

and

  • 14.50 to 14.54

<u>From above we see that:</u>

  • The greatest decimal is 14.54
  • The least decimal is 14.45
7 0
3 years ago
Please can anyone help me answer this question I'm really struggling with it
Anika [276]

Answer:

v =  {210cm}^{3}

Step-by-step explanation:

Formula for finding the volume of a triangular prism is given as:

v =  \frac{1}{2}  \times b \times h \times l

where,

b = breadth = 7cm

h = height = 6cm

l = length = 10cm

Thus,

v =  \frac{1}{2}  \times 7cm \times 6cm \times 10cm

v =  \frac{1}{2}  \times 420 {cm}^{3}

v  =  \frac{ {420cm}^{3} }{2}

v =  {210cm}^{3}

7 0
3 years ago
1.7.3 Quiz: Intersecting Lines and Proofs
faltersainse [42]

Answer:

Perpendicular lines.

Perpendicular lines are lines that intersect at a right (90 degrees) angle.

7 0
2 years ago
Read 2 more answers
A rectangle with an area of x2 - 4x – 12 square units is
tino4ka555 [31]

Hello there! :)

Answer:

First choice, (x + 2) and (x - 6).

Step-by-step explanation:

To solve for the dimensions, recall that the formula for the volume of a rectangle is:

A = l × w

Simply factor x² -4 - 12. Find two numbers that add up to -4 and multiply into -12.

2, -6 satisfy these conditions. Use these numbers to write this equation in factored form:

(x + 2) (x - 6). Thus, the first option is the correct answer.

5 0
3 years ago
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A store offers a discount of 15% on all items. Mr. Serzan is buying a crazy hat for school that costs $40. How much will he pay
Advocard [28]

Answer:

The correct answer should be A. 6

6 0
2 years ago
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