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vampirchik [111]
3 years ago
15

In a poll of 25,000 voters in a certain city, 74% said that they backed a bill that would limit growthand development in their c

ity. The margin of error in the poll was reported as 2 percentage points(with a 95% degree of confidence). Make a statement about the adequacy of the sample size for thegiven margin of error.A)The stated margin of error could be achieved with a larger sample size.B)The reported margin of error is consistent with the sample size.C)The sample size is too large to achieve the stated margin of error.D)The sample size is too small to achieve the stated margin of error.E)The stated margin of error could be achieved with a smaller sample size.
Mathematics
1 answer:
Dvinal [7]3 years ago
6 0

Answer:

B

Step-by-step explanation:

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How many hours must you run if you want to run 27 km at a rate of 9 km/h? (Apex)
Nuetrik [128]

Answer:

3

Step-by-step explanation:

27 km

9 km every hour

so 27/9=3

7 0
4 years ago
Anna has 7 baskets and some flowers. she has 5 fewer baskets than flowers. how many flowers does anna have
MrRa [10]

Answer:

2 flowers

Step-by-step explanation:

if she has 7 baskets and 5 fewer baskets than flowers

you get the equation 7-5 which is 2

8 0
3 years ago
Find the approximate volume of the figure below, composed of a cone, a cylinder, and a hemisphere. If necessary, round your answ
mixas84 [53]

Answer:

Volume of the solid = 480.42m³

Step-by-step explanation:

To sov this question, we'll have to break the solid into different shapes of solid to solve it easily.

Volume of a cylinder = πr²h

volume of a hemisphere = 4/3πr³

Volume of a cone = ⅓πr²h

π = 3.14

r = 3m

h(cylinder) = 11m

Slant height of cone = 3√(2)

Height of cone = ?

To find height of cone, we can use pythagorean theorem

a² = b² + c²

[ 3√(2)]² = 3² + c²

9*2 = 9 + c²

C² = 18 - 9

C = 9m

Height of the cone = 9m

Volume of a cylinder = πr²h

V = 3.14 * 3² * 11

V = 310.86m³

Volume of the cylnder = 310.86m³

Volume of the hemisphere = 4/3πr³

V = 3.14 * 3³

V = 84.78m³

Volume of the hemisphere = 84.78m³

Volume of the cone = ⅓πr²h

V = ⅓ * 3.14 * 3² * 9

V = 84.78

Volume of the cone = 84.78m³

Volume of the solid = volume of cone + volume of hemisphere + volume of cylinder

Volume of the solid = 84.78 + 84.78 + 310.86

Volume = 480.42m³

5 0
4 years ago
The sum of 8 and B is greater than 22
Alinara [238K]

Given:

The sum of 8 and B is greater than 22.

To find:

The inequality for the given statement and its solution.

Solution:

We know that, sum of two number is the addition of two numbers.

Sum of 8 and B = 8+B

It is given that, the sum of 8 and B is greater than 22.

8+B>22

Subtracting 8 from both sides, we get

8+B-8>22-8

B>14

Therefore, the required inequality for the given statement is 8+B>22 and the solution is B>14.

3 0
3 years ago
Tap the image to view it please I will give crown and points
wariber [46]

Answer:

3848.45mm

Step-by-step explanation:

Area = \pi r^{2}

35^{2} = 1225

1225 * \pi = 3848.45

3 0
3 years ago
Read 2 more answers
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