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exis [7]
3 years ago
7

How do we calculate 25% of 300

Mathematics
2 answers:
jeyben [28]3 years ago
7 0
 
this is how I do perscent I dount know if it is right but 300 =100%       150=50% because 50% is half and half of 300 is 150        75=25% because half of 50% is 25% and half of 150 is 75 there you go 75 is your answer 
Natali5045456 [20]3 years ago
4 0
25% is equal to \frac{1}{4}. To get 25% of 300, we multiply 300 by either 0.25 or \frac{1}{4}. This gives us (300)( \frac{1}{4}) =  \frac{300}{4}  =  \frac{150}{2} = 75
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Two processes in a manufacturing line are performed manually: operation A and operation B. A random sample of 50 different assem
MArishka [77]

Answer:

3.06

Step-by-step explanation:

The correct answer is - 3.06

Reason -

For sample A :

mean, \bar{x_{1} } = 8.05          

Standard deviation, \sigma_{1} = 1.36          

Size, n_{1} = 50          

                 

For sample B :

mean, \bar{x_{2} } = 7.26          

Standard deviation, \sigma_{2} = 1.06          

Size, n_{2} = 38

Now,

\bar{x_{1} } - \bar{x_{2} }  = 8.05 - 7.26 = 0.79

Standard deviation error, SE = √(\sigma_{1}²/n_{1} + \sigma_{2}²/n_{2})  = 0.2580

Now,

Z-statistic = (\bar{x_{1} } - \bar{x_{2} } )/ SE

                = 0.79/0.2580

                = 3.06

⇒Z-statistic = 3.06

4 0
3 years ago
could someone please help me with this i suck at math and please try to explain to me how exactly i could solve it on my own lik
anastassius [24]

Answer:

18

Step-by-step explanation:

Just multiply them. 6 x 3 would be the formula in this situation. The other formula would be bh or bxh.

6 0
2 years ago
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Write an equivalent expression for 8(3+5•)+7•+4 if•
Vadim26 [7]
8 times 3 then 8 times 5 then add the two then write the rest of the expression
8 0
3 years ago
PLEASE HELP (:
Kaylis [27]

Answer:

{12,15}

Step-by-step explanation:

Given the function f(x) = x+5, if the range of the function is {7,9}, the domain of the function is derived by simply finding the value of the function at each end point.

At endpoint x = 7,

f(7) = 7+5

f(7) = 12

At endpoint x = 9

f(9) = 9+5

f(9) = 14.

The function domain is therefore at {12,14}

4 0
3 years ago
Is this right? I’m confused for answering either B or C.
boyakko [2]

your profile says you're 22 but I find that painfully challenging to believe. She knits 5 scarves in 2 hours. Divide 10 by 2, you get 5. 5x5 is 25. It's C. You shouldn't need help. This is sad.

3 0
3 years ago
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