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koban [17]
2 years ago
8

Circle Y is shown. Line segments X Y and Z Y are radii. The length of X Y is r. Angle X Y Z is StartFraction 2 pi Over 3 EndFrac

tion
If the radius is doubled, what is the effect on the area of sector XYZ?

The sector area will be Three-halves times greater.
The sector area will be 2 times greater.
The sector area will be Two-thirds times greater.
The sector area will be 4 times greater.
Mathematics
2 answers:
aliya0001 [1]2 years ago
5 0

Answer:

The sector area will be 4 times greater.

Step-by-step explanation: i did the quiz on e2020

Elina [12.6K]2 years ago
5 0

Answer: The sector area will be 4 times greater.

Step-by-step explanation:

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1600

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0.3% of 1600 will result to 4.8

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Read 2 more answers
17. Admission prices to Cinema I to see a movie are $9.50 for an adult and $6.50 for a child. The admission charge at Cinema II
maksim [4K]

Answer:

a. 9.5x + 6.5(x+c) < 8   when c>0

b. Must be one child more than the no. of adults.

Step-by-step explanation:

For Cinema 1:

for adult = $9.50

for child = $6.50

For Cinema 2:

Per person regardless of age = $8.00

First of all, we will find out the condition when per person rates in both cinema are equal.

Assume x = no. of adults

y = no. of children

Rate per person in Cinema I = Rate per person in Cinema II

(9.5x + 6.5y)/(x+y)   =   8

9.5x + 6.5y = 8(x+y)

9.5x + 6.5y = 8x + 8y

9.5x-8x = 8y-6.5y

=> x = y

So rates are equal when no. of adults equals no. of children

For Cinema I to have better rates, no. of children should be atleast 1 more than the no. of adult. In this way the rate per person of Cinema I will be less than 8

Hence we form an inequality when y = x+c and c > 0

9.5x + 6.5(x+c) < 8   when c>0

Hence there must be 1 more children than the no. of adults attending Cinema I for it to be a better deal.

4 0
3 years ago
Read 2 more answers
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neonofarm [45]

Answer:

The data is a simple random sample from the population of interest.

Step-by-step explanation:

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2 years ago
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