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3 years ago

Do you have a particular way of studying flashcards? I. Need. Advice!! The way I have been doing it has been soo slow.

Mathematics

1 answer:

vovangra [49]3 years ago

8 0

Answer:

Try using quizlet flashcards they are what I use and in my opinion they are great

Step-by-step explanation:

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Need help with question 3. Any help is appreciated:)

enot [183]

Q=r+st
q-r=st
q-r/s=t
B

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3 years ago

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Solve the inequality:

yarga [219]

Answer:

its A

Step-by-step explanation:

Because m > 6/7. and if you do the sloving it will be 2 or greater

Hope that helped

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3 years ago

What is the decimal expansion of the fraction 7/9

lys-0071 [83]

0.7777777778
don't you have calculators or internet, you could easily find your question on internet

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3 years ago

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For which sample size (n) and sample proportion (p) can a normal curve be

Nonamiya [84]

Answer:

Option c.

Step-by-step explanation:

Using the normal curve to approximate a sampling distribution:

For a sample size n and a proportion n, the normal curve can be used if:

$np \geq 10$ and $n(1-p) \geq 10$

Option a:

$np = 35*0.8 = 28 > 10$

$n(1-p) = 35*0.2 = 7 < 10$

So option a cannot be used.

Option b:

$np = 65*0.9 = 58.5 > 10$

$n(1-p) = 65*0.1 = 6.5 < 10$

So option b cannot be used.

Option c:

$np = 65*0.8 = 52 > 10$

$n(1-p) = 65*0.2 = 13 > 10$

So option c can be used, and is the answer

Option d:

$np = 35*0.9 = 31.5 > 10$

$n(1-p) = 35*0.1 = 3.5 < 10$

So option d cannot be used.

The answer is given by option c.

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3 years ago

Find slope and y-intercept<br> 5x+3y=-6

katen-ka-za [31]

Answer:

$m=-\frac53; q=-2$

Step-by-step explanation:

Let's bring the line in the classical $y=mx+q$ form

$3y= -5x-6\\y=-\frac53 x -2$

At this point we have the two values $-\frac53$ for the slope and $2$ for the intercept

6 0

2 years ago