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Gnesinka [82]
3 years ago
9

HELp Plz god bless you and your grades

Mathematics
1 answer:
zavuch27 [327]3 years ago
3 0

Answer:

a

Step-by-step explanation:

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If the volume of a cone is 150, what is the volume of a cylinder? A) 150. B) 30. C) 450. D) 50
Len [333]

Answer:

C (450)

Step-by-step explanation:

Multiply 150 × 3 to get the volume of the cylinder

5 0
3 years ago
If a dozen eggs cost $1.35 what is the unit cost?<br> A) $0.11<br> B)$0.13<br> C)$1.23<br> D)$4.29
Romashka-Z-Leto [24]

Answer:

A) $0.11 is answer

Step-by-step explanation:

Please Mark at brainlist

5 0
2 years ago
he average movie admission price for a recent year was $7.18. The population variance was 3.81. A random sample of 15 theater ad
Gemiola [76]

Answer:

Since the calculated value of  z= 1.6279 does not fall in the critical region Z ≥ ±1.96 we conclude that there is no difference between the population variance and the sample variance.

Step-by-step explanation:

The data given is

Population mean μ= $ 7.18

Population variance= σ²= 3.81

Population Standard Deviation = √σ²= √3.81= 1.952

Sample Mean= x`= $ 8.02

Sample Standard Deviation =s = $ 2.08

Sample Size = 15

Significance Level = ∝= 0.05

The null and alternate hypotheses are

H0: σ1=σ2 against the claim that Ha: σ1≠ σ2

where  σ1 is the population variance and

σ2 is the sample variance

The rejection region is Z ≥ ±1.96 for two tailed test  at ∝= 0.05

The test statistic z is used

z= x`-  μ/ σ/√n

Putting the values

Z= 8.02-7.18/1.952/√15

z= 0.84/0.51599

z= 1.6279

Since the calculated value of  z= 1.6279 does not fall in the critical region Z ≥ ±1.96 we conclude that there is no difference between the population variance and the sample variance.

3 0
3 years ago
A student can do an average of 25 math problems an hour. If at a certain time of day, he has done 40 math problems, how many pro
yanalaym [24]

Answer:

90

Step-by-step explanation:

now: 40

after one hour: 40+25 = 65

after two hours: 65+25 = 90

7 0
3 years ago
What is 50% turned into a decimal
ZanzabumX [31]

Answer:

.50

Step-by-step explanation:

When you need to turn a % into a decimal always move to the left 2 times.

Hope this helps!!

5 0
3 years ago
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