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german
3 years ago
15

Plsssssssss Help!!!!!!

Mathematics
2 answers:
Paraphin [41]3 years ago
7 0

Answer:

16

Step-by-step explanation:

If shes out for 3 hours, times 2 by 3, 2x3 then they have a fee of 10 at the beginning then you add that on to 6 then you get 16. ( Sorry if I'

m wrong this is just how I was taught )

satela [25.4K]3 years ago
3 0

Answer:

i would say 3. $15 is your answer

hope this helps :)

i'm so sorry if i'm wrong

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4.3
4=ones
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0=tenths

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6 0
3 years ago
Out of the 301 seniors, 117 are boys. What is the ratio of boys to the total number of seniors?
Deffense [45]

301 , 117

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because they are telling to tell ratio of boys to the ratio of total seniors

6 0
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Are 4:6 and 8:10 proportional
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No, they are not.

Step-by-step explanation: can I get brainlest?

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6 0
3 years ago
A Simple random sample of 100 8th graders at a large suburban middle school indicated that 84% of them are involved with some ty
Setler [38]

Answer: a) (0.755, 0.925)

Step-by-step explanation:

Let p be the population proportion of 8th graders are involved with some type of after school activity.

As per given , we have

n= 100

sample proportion: \hat{p}=0.84

Significance level : \alpha= 1-0.98=0.02

Critical z-value : z_{\alpha/2}=2.33  (using z-value table)

Then, the 98% confidence interval that estimates the proportion of them that are involved in an after school activity will be :-

\hat{p}\pm z_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

i.e. 0.84\pm (2.33)\sqrt{\dfrac{0.84(1-0.84)}{100}}

i.e. \approx0.84\pm 0.085

i.e. (0.84- 0.085,\ 0.84+ 0.085)=(0.755,\ 0.925)

Hence, the 98% confidence interval that estimates the proportion of them that are involved in an after school activity : a) (0.755, 0.925)

3 0
3 years ago
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