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kirill [66]
3 years ago
10

A school newspaper will survey students about the quality of the

Mathematics
1 answer:
Novay_Z [31]3 years ago
3 0
Method 2 is the least biased.

1) vegetarians are a select group, so they might have a certain biased perspective
2) if students are chosen randomly from every grade, all grades are included and there will be a variety of responses
3)not all students dislike the program, so it is an unfair representation
4)only students who have a strong opinion will complete the survey
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Lina has a total of 72 blue and red marbles in a box. The probability of choosing a blue marble at random from the box is 4/9
blsea [12.9K]

Answer:

28

Step-by-step explanation:

probability of getting blue ball is 4/9

total cases = 72

i.e number of blue ball 32

number of red vall is 40

so extra 28 is added

3 0
3 years ago
Gordon types 1,922 words in 31 minutes. Find the unit rate
Kisachek [45]

Answer:

64.2580645161 words in a minute

Step-by-step explanation:

Hope that helps!

8 0
2 years ago
Read 2 more answers
What is the product of 0.46 and 35
sveta [45]

<u><em>16.1 is the final answer. </em></u>

<em>Product- it's going to be multiply by the numbers only.</em>

0.46*35=16.10=16.1

<em>You can also round up to the nearest tenths is 16.0</em>

<em>Hope this helps! And thank you for posting your question at here on brainly, and have a great day. -Charlie</em>

3 0
3 years ago
Read 2 more answers
PLS HELP! URGENT!!!! A circular flower bed is 20 m in diameter and has a circular sidewalk around it that is 3 m wide. Find the
krok68 [10]

Answer: Area of sidewalk is 217m²

Step-by-step explanation:

The formula for determining the area of a circle is expressed as

Area = πr²

Where

r represents the radius of the circle

π is a constant whose value is 3.14

A circular flower bed is 20 meters in diameter.

radius = diameter/2 = 20/2 = 10 meters

Area of the flower bed = 3.14 × 10²

= 314m²

The circular flower bed has a circular sidewalk around it that is 3 meters wide. This means that the total diameter would be

3 + 20 + 3 = 26m

Radius = 26!2 = 13m

Total area = 3.14 × 13² = 530.66m²

Therefore, area of the sidewalk is

530.66 - 314 = 216.66

The area of sidewalk is 217m² to the nearest whole number

6 0
3 years ago
Find the surface area of the prism. 6 cm, 9 cm, 3cm
pishuonlain [190]

Answer: 198cm

Step-by-step explanation:

We are given the dimensions of a rectangular prism;

3cm 9cm and 6cm

We are required to determine its surface area;

We need to know that;

Surface area of a rectangular prism is given by;

A = 2(WL+HL+WH)

Where L, W and H are length , width and height respectively;

Assuming;

Width is 3 cm

Length is 9 cm, and

Height is 6 cm

Then;

Area = 2 ( (3×9) + (6×9) + (3×6))

       = 2(99)

      = 198 cm²

Therefore, the area of the rectangular prism is 198 cm²

3 0
2 years ago
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