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nordsb [41]
3 years ago
12

A research company found that 11% of the people that they called agreed to participate in a survey. If the company called 196 pe

ople, about how many would be expected to participate in the survey?
A-50
B-40
C-20
D-10
I NEED HELP NOW IT'S IMPORTANT!!
Mathematics
2 answers:
natita [175]3 years ago
7 0

Answer:

B

Step-by-step explanation:

Trust me

Karolina [17]3 years ago
6 0
C

Explanation: if you were to multiply since you trying to find the 11% of people you will get 21.56 which rounds to 20
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weeeeeb [17]
-16/-2
Divide numerator & denominator by 2
-8/-1 = 8
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Is ABCD a parallelogram? Explain how you know.
Sedaia [141]
They are both parallelograms because the sides are parallel to one another
7 0
3 years ago
A circle with circumference 12 has an arc with a 330° central angle.
Ira Lisetskai [31]

Answer:

arc length =11

Step-by-step explanation:

To find the arc length , we take pi *2 r and multiply by the fraction of the circle

The circumference is 12 which is equal to 2 * pi *r

arc length = 12 * 330/360

arc length = 12 * 11/12

arc length =11

6 0
3 years ago
Read 2 more answers
You
vichka [17]

Answer:

The Surface area of the moon is  4.53 \times 10^{17}

Step-by-step explanation:

Given:

Diameter of the moon =  3.8 x 10 to the 8th

To Find :

The surface area of the moon = ?

Solution:

The moon is in the shape of of the sphere .

So the surface area of the moon = surface area of the sphere

The surface area of the sphere  = 4\pi r^2

Where r is the radius of the sphere

Radius , r = \frac{Diameter}{2}

r =  \frac{3.9 \times 10^8}{2}

r =  1.9 \times 10^8

Now the surface area of the moon with radius r =  1.9 \times 10^8 is

=> 4 \pi \times (1.9 \times 10^8)^2

=>4 \times 3.14 \times (1.9 \times 10^8)^2

=>12.56 \times 3.61 \times 10^{16}

=>45.34 \times 10^{16}

=>4.53 \times 10^{17}

3 0
3 years ago
What is the length of the radius of a circle whose circumference is 125.6 feet? Use 3.14 for Pi.
Iteru [2.4K]

Answer:

Hello! answer: 20

Step-by-step explanation:

circumference is just diameter × pi so If we do circumference ÷ pi we will get our diameter so

125.6 ÷ 3.14 = 40 But remember diameter is just twice the radius so all we have to do is divide by 2 to get our radius so

40 ÷ 2 = 20 So 20 is the radius Hope this helps!

3 0
3 years ago
Read 2 more answers
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