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kozerog [31]
2 years ago
9

Adam uses count milk for tge dessert the canvas 13cm high and 8cm diameter using formula v=r2h what's the total of milk on the c

an
Mathematics
1 answer:
bonufazy [111]2 years ago
3 0
If the diameter is 8 centimeters, the radius is 4.  We can use the formula v=r^2h\pi and plug in r=4 and h=13 to get v=16*13*\pi, so v=208\pi.
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Ordering real numbers least to greatest
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Hello,


The correct order is:


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8 0
3 years ago
Read 2 more answers
Solve.
wolverine [178]
Answer:
64

step by step:
16oz x4= 64
answer= 64
3 0
3 years ago
A stereo system cost $275. It was on sale for 15% off. The sales person receives a 2% commission. How much of a commission do th
kkurt [141]
The price of the stereo on sale   
is 
275 - ( 275x15% ) =
233.75 

the comission is 233.75 x 2 % =
233.75 x 2/100 = 4.675 
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3 years ago
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The Pew Research Center reported that 73% of Americans who own a cell phone also use text messaging. In a recent local survey, 1
AnnZ [28]

Answer:

z=\frac{0.775 -0.73}{\sqrt{\frac{0.73(1-0.73)}{200}}}=1.433  

Now we can find the p value. Since we have a bilateral test the p value would be:  

p_v =2*P(z>1.433)=0.152  

Since the p value is higher than the significance level of 0.1 we have enough evidence to FAIL to reject the null hypothesis and the best conclusion for this case would be:

Do Not reject H0

Step-by-step explanation:

Information provided

n=200 represent the sample size slected

X=155 represent the cell phone owners used text messaging

\hat p=\frac{155}{200}=0.775 estimated proportion of cell phone owners used text messaging

p_o=0.73 is the value to verify

\alpha=0.1 represent the significance level

We need to conduct a z test for a proportion

z would represent the statistic

p_v represent the p value

System of hypothesis

We want to verify if the true proportion of cell phone owners used text messaging is different from 0.73 so then the system of hypothesis are:

Null hypothesis:p=0.73  

Alternative hypothesis:p \neq 0.73  

The statistic to check this hypothesis is given by:

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

Replacing the data given we got:

z=\frac{0.775 -0.73}{\sqrt{\frac{0.73(1-0.73)}{200}}}=1.433  

Now we can find the p value. Since we have a bilateral test the p value would be:  

p_v =2*P(z>1.433)=0.152  

Since the p value is higher than the significance level of 0.1 we have enough evidence to FAIL to reject the null hypothesis and the best conclusion for this case would be:

Do Not reject H0

6 0
3 years ago
Find the slope of the line that passes through the pair of points (4.5, 13.5) and (–3.5, –9).
Zigmanuir [339]
Given two points: (x₁,y₁) and (x₂,y₂) the slope "m" will be:
m=(y₁-y₂) / (x₁-x₂)                or                  m=(y₂-y₁) / (x₂-x₁)

In this case:
(4.5 , 13.5)
(-3.5 , -9)

m=(-9-13.5) / (-3.5-4.5)=-22.5 / -8=2.8125

Answer: the slope will be m=2.8125.
3 0
3 years ago
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