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algol [13]
3 years ago
5

A band director is trying to decide what music to play for the halftime show. To get a sample, the director divides the band int

o groups based on their grade (freshmen, sophomores, juniors, and seniors). Then she randomly chooses a group and surveys every member of the chosen group. Which sampling method was used?
cluster sampling
simple random sampling
stratified random sampling
systematic random sampling helppppppo​
Mathematics
2 answers:
docker41 [41]3 years ago
7 0

Answer:

random sampling

Step-by-step explanation:

bagirrra123 [75]3 years ago
4 0

Answer:

C

Step-by-step explanation:

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At a store, Lauren selected a watermelon that weighed 38.4 ounces.
Mrrafil [7]

Answer:

$3.60

Step-by-step explanation:

1.50 ÷ 16 = 0.09375

there are 38.4 oz in laurens watermelon, so multiply the cost per ounce by the number of ounces to find the answer

0.09375 × 30.4 = 3.6

5 0
3 years ago
PLEASE HELP THANKS SO MUCH!
Zolol [24]
Surface area = sum of 2 triangles + sum of the 3 rectangles

= 2 * 84 + 18*24 + 18*25 + 18*7 =  1176 ft^2

volume = 1/2*7 *24 * 18  =  1512 ft^3
surface area to volume = 1176:1512 =  0.78 which is less than 1.
so the company wil manufacture it.
5 0
3 years ago
Find the value of x in the equation below. 60 = 10 x​
Ede4ka [16]

Answer:

Just do 60 divided by 10

Step-by-step explanation:

60=10 x  10 times 6 = 60 so x=6

7 0
3 years ago
Read 2 more answers
(1.8 * 10^2) * (5 * 10^2)
Alinara [238K]
<span>The answer is 90,000</span>
3 0
4 years ago
I need help with these two
Alika [10]

Answer:

19. A

20. A

Step-by-step explanation:

19. tan(53)=15/x

x(tan(53))=15

x=15/(tan53))

x=11.3 feet


20. tan(60)=12/x

x(tan(60))=12

x=12/(tan(60))

x=6.93, or 4sqrt3

4 0
3 years ago
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