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pentagon [3]
3 years ago
9

Please help 15 points and brainliest!

Mathematics
1 answer:
Umnica [9.8K]3 years ago
3 0
C because the proportions are equal and multiplied by 4/4
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I need to know the answers to these problems
fomenos
5. c = 9
6. a = 6
7. b = 12
4 0
3 years ago
Determine whether the source given below has the potential to create a bias in a statistical study.A certain medical organizatio
Tpy6a [65]

Answer:

There appears to be statistical bias.

Step-by-step explanation:

There is a likelihood of potential bias in the experiment. This is is because the results can be manipulated so that they can be in line with the organization's objectives and of the funders.

Only verified and quantified surveys are able to provide statistically unbiased results.

7 0
3 years ago
13) Ayla's lunch bill was $8.70 and Harley's was $10.30. The girls' uncle paid
Otrada [13]

Answer:

$2.85

Step-by-step explanation:

First, add the bill up ($8.70 + $10.30 = 19). So now you need to find what 15% of $19 is...To find the percentage of something you need to turn it into a decimal, 0. (whatever the percentage number is). So in this case, 19 times 0.15, which is a tip of $2.85.

5 0
2 years ago
Read 2 more answers
Question 1
Alex777 [14]
Riki ...
Most questions on Brainly offer 5 points in return for answering one question,
but here you've listed five of them to be answered for 5 points.  That's kind of
much.
Also, it's not clear what cylinders Question-2 and Questioin-3 refer to. 
They might be the two pictures under the question, but we don't rally know.
Fortunately, all five of your questions are answered with the same formula ...
the formula for the volume of a cylinder.
Here it is:

         Volume of a cylinder = ( π ) · (radius)² · (height or length)  .

                                       V  =  π  R²  H  .

That's it.  That's all you need to answer any or all of the five questions.
So I've actually given you everything you need to answer them, and in
doing that, I've already earned 5 points.  But, being the ever helpful guy
that I am, I'll work out two of the questions for you, to show you how to
use the formula.

Question #1).  <span>A cylinder has a radius of 14 m and a height of 6 m.

              </span>Volume  =  π  R²  H 

                           =  (π)  (14m)²  (6m)

                           =  (π)  (196m²)  (6m)

                           =      1,176 π  m³  =  71,763,930 π in³

(Notice how confusingly and sloppily the question is written . . .
the dimensions of the cylinder are given in meters, but the
answer choices are listed in cubic-inches.  I've shown the
answer in both units.)

Question 5).  <span>A can has a radius of 2.8 feet and holds 86.21 cubic feet.

           </span><span>Volume  =  π  R²  H

           86.2 ft³  =  π (2.8 ft)² (Height)

            86.2 ft³  =  π (7.84 ft²) (Height)

           Height  =  (86.2 ft³) / (7.84 π ft²)

                        =         3.5 ft

</span>
5 0
3 years ago
Need help quick please
Alecsey [184]

Answer:

agree

Step-by-step explanation:

7 0
2 years ago
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