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melamori03 [73]
3 years ago
10

How does decreasing the sample size affect the margin of​ error, E?

Mathematics
2 answers:
arlik [135]3 years ago
4 0
As the sample size decreases​, the margin of error increases.
kompoz [17]3 years ago
3 0
I need more information
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Convert to scientific notation: 0.0509.
fomenos

Answer:

5.09 × 10^-2

Step-by-step explanation:

You have to take the number go to the decimal and move it until you get to the first number and in this case, it is 5 put the decimal there. To write it you have to count the number of times you moved the decimal. when doing this it will always be a number times 10^ the number you moved the decimal.

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3 years ago
HURRY PLZ!!!!!!!!!!!The cafeteria uses rectangular trays with a raised edge around them. The area of the flat surface of each tr
alukav5142 [94]
62 inches. 

2*(19+228/19)=62

Hope this helps!
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3 years ago
Cora makes a scarf with cloth rectangles and triangles. For every 5 pieces of cloth, 2 are rectangles. She needs 15 pieces of cl
PtichkaEL [24]

Answer: There are 6 pieces of cloth are rectangles and 9 pieces of cloth are triangles.

Explanation:

Since we have given that

For every 5 pieces of cloth, 2 are rectangles

So, remaining piece will be of triangle so,

5-2=3

3 are triangles.

Ratio of rectangles to triangles is 2:3.

Now, she needs 15 pieces of cloth to complete her scarf,

So, Number of rectangles is needed is given by

\frac{2}{5}\times 15\\\\=2\times 3\\\\=6

Number of triangles is needed is given by

\frac{3}{5}\times 15\\\\=3\times 3\\\\=9

Hence, there are 6 pieces of cloth are rectangles and 9 pieces of cloth are triangles.

6 0
3 years ago
Which inequality represents all values of x which the product below is defined Square root 4x Square root x+2
anygoal [31]

Answer:

Option (D) x≥ 0 is absolutely correct

Step-by-step explanation:

The reason is that the square root function is defined for only non negative numbers.

5 0
3 years ago
Evaluate 10% of 5000
Oduvanchick [21]

Answer:

500

Step-by-step explanation:

that is the procedure above

7 0
3 years ago
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