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madreJ [45]
4 years ago
7

One common factor of two numbers is 40. Another common factor is 10. If both numbers are less than 100, what are the two numbers

?
Mathematics
1 answer:
Viefleur [7K]4 years ago
5 0
Only two numbers less than 100 have a factor of 40: 40 (1 x 40) and 80 (2 x 40). Since 40 is a factor of both 40 and 80, 10 must also be a factor - indeed, 40 = 4 x 10 and 80 = 8 x 10.

The two number must be 40 and 80.
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If the price is $36 and it was on sale for 25% off what was the sale price
Elena-2011 [213]
36 * .75 = answer

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6 0
3 years ago
Use the given data to find the minimum sample size required to estimate a population proportion or percentage. Margin of error:
lisabon 2012 [21]

Answer: 191

Step-by-step explanation:

Formula to find the minimum sample size required to estimate a population proportion or percentage:

n= \hat{p}(1-\hat{p})(\dfrac{z^*}{E})^2

, where \hat{p} = proportion estimated by prior study.

E= Margin of error.

z* = Critical z-value.

Given : Confidence level = 95%

Critical value for 95% confidence = z*=1.96

\hat{p}=\ 42\%=0.42

E= 7%= 0.07

Then, n= 0.42(1-0.42)(\dfrac{1.96}{0.07})^2

n= 0.42(0.58)(28)^2

n= 0.2436(784)=190.9824approx191

Hence, the minimum sample size required=191

6 0
3 years ago
Please help me with it​
NARA [144]

Answer:

Pythagorean Theorem:

a^2 + b^2 = c^2

30^2 + b^2 = 35^2

b^2 = 325

b=18.03

Let me know if this helps!

7 0
3 years ago
Which expression can be used to find the height of the cone below?
azamat

Answer:3 0/ (1/3 pi 8^2)

Step-by-step explanation:

the formula for vaume is 1/3pi r^2*h=V

to find the hight you revers it you get 30/ (1/3 pi 8^2)

so you get 30/ (1/3*pi*16)

you then get 30/5.3inf pi

the rusulte is 5.6 pi left in terms of pi

I hope that helps

3 0
3 years ago
HELP WITH #2 PLEASEEE
Shtirlitz [24]
ILL HELP IF YOU HELP ME I NEED HELP ALSO
7 0
3 years ago
Read 2 more answers
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