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Mnenie [13.5K]
3 years ago
13

Please tel me the answer to 17- ? =12

Mathematics
1 answer:
Volgvan3 years ago
7 0

Answer:

5

Step-by-step explanation:

17 - ? = 12

-? = 12 - 17

-? = -5

? = 5

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Liz wants to estimate the percentage of people who rent their home. She surveys 320 individuals and finds that 176 rent their ho
SOVA2 [1]

Answer: 0.065

Step-by-step explanation:

Given : Sample size : n= 320

The sample proportion of people who rent their home : p=\dfrac{176}{320}=0.55

Significance level : \alpha:1-0.98=0.02

Then , Critical value : z_{\alpha/2}=2.33

The formula to find the margin of error : -

E=z_{\alpha/2}\sqrt{\dfrac{p(1-p)}{n}}\\\\\Rightarrow\ E=(2.33)\sqrt{\dfrac{0.55(1-0.55)}{320}}\\\\\Rightarrow\ E=0.064799034281\approx0.065

Hence, the margin of error for the confidence interval for the population proportion with a 98% confidence level =0.065

4 0
3 years ago
I need an answer please! The question says Find the value of x that would make the following expression equivalent to sixteen ti
aev [14]
Square root of 6 times 16 will give us 39.19

The square root of 48 times 32 [which gives us 1536] is also equal to 39.19

The square root of 1536 is equal to 39.19

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Hope this helped! :D
8 0
3 years ago
The greater of two numbers is one less than eight times the smaller . Their sum equals 98
Kitty [74]
B>a

b=8a-1

and we are told that 98=a+b so a=98-b, using this value for a in the equation above gives you:

b=8(98-b)-1

b=784-8b-1

b=783-8b

9b=783

b=87, and since a+b=98, a=11

so a and b are 11 and 87
3 0
2 years ago
I will mark branliest please help<br>Find the value of x.
Novosadov [1.4K]

Answer:

The estimated equison will be 38% for the mark

Step-by-step explanation:

and dat will be answer for u

3 0
2 years ago
The length of a rectangular portrait is 2.5 time the width. The perimeter is 28 what is the length of the portrait
Elina [12.6K]

Answer:

Step-by-step explanation:

first ask teacher

second be polite

third ask help from your peers

5 0
3 years ago
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