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Sindrei [870]
3 years ago
10

How do you find x In mathematics?

Mathematics
1 answer:
vovangra [49]3 years ago
8 0
The x is the independent variable of the number and the y is the dependent so find the one thats independent
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There are 32 students in jadens class eating lunch.Then, more students join Jaden’s class. Now they are 86 total students Eating
Reptile [31]
The answer is
86-32=54
8 0
3 years ago
What is 0.8% as a decimal
Usimov [2.4K]
Percentages are parts of 100, so to convert 0.8% to a decimal, we just divide 0.8 by 100.

0.8 / 100 = 0.008

Dividing by 100 is the same as moving the decimal place two times to the left.
4 0
3 years ago
Read 2 more answers
Test the claim that the proportion of people who own cats is larger than 40% at the 0.025 significance level. The null and alter
Alecsey [184]

Answer:

H 0 : p ≤ 0.4 H a : p > 0.4

And based on the alternative hypothesis we can conclude that we have a right tailed test

Step-by-step explanation:

Data given

n=300 represent the random sample size

\hat p=0.45 estimated proportion of people with cats

p_o=0.40 is the value that we want to test

\alpha=0.025 represent the significance level

z would represent the statistic

p_v represent the p value

Null and alternative hypothesis

We want to test if the true proportion of people with cats is higher than 0.4, so then the best alternative is:  

Null hypothesis:p\leq 0.4  

Alternative hypothesis:p > 0.4  

H 0 : p ≤ 0.4 H a : p > 0.4

And based on the alternative hypothesis we can conclude that we have a right tailed test

The statistic is given by:  

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

Replacing we got:

z=\frac{0.45 -0.4}{\sqrt{\frac{0.4(1-0.4)}{300}}}=1.768  

5 0
2 years ago
PLEASE PLEASE PLEASE HELP ​
zepelin [54]

Answer:

Sorry I just need points

7 0
3 years ago
A customer deposits $1,000 in an account in which the interest is compounded annually. The table below shows the balances in the
Ierofanga [76]

Answer: Its A

A=1000(1.08)^t

3 0
3 years ago
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