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3 years ago

What is the mid point in the photo?

Mathematics

1 answer:

Irina18 [472]3 years ago

4 0

Step-by-step explanation:

$midpoint = ( \frac{ \frac{1}{3} - \frac{7}{3} }{2} , \frac{ \frac{5}{12} + \frac{7}{12} }{2} )$

$= ( \frac{ \frac{ - 6}{3} }{2} , \frac{ \frac{12}{12} }{2} )$

$= ( \frac{ - 2}{2} , \frac{1}{2} )$

$= ( - 1,0.5)$

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The answer is b.8 units

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3 years ago

Letter B is plotted at (3,-2). True Or False

schepotkina [342]

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3 years ago

Read 2 more answers

Please help! :)

Aleks [24]

Answer:

Step-by-step explanation:

<u>A. Ans ; </u>

10n³ – 15 n² + 20 xn² – 30 xn

Factors ; 10 —> 10 , 5 , 2 , 1

Factors ; 5 —> 5 , 1

Factors ; 20 —> 20 , 10 , 5 , 4 , 2 , 1

Factors ; 30 —> 30 , 15 , 10 , 6 , 5 , 3 , 2, 1

The greatest common factor of numbers is ; 5

n³—> n , n , n

n² —> n , n

xn² —> x , n , n

xn —> x , n

The greatest common factor of the variables is ; n

<h3>So ; Greatest common factor : 5n</h3>

<u>B . Ans ;</u>

$10 {n}^{3} - 15 {n}^{2} + 20x {n}^{2} - 30xn \\ 5n(2 {n}^{2} - 3n + 4xn - 6x) \\ 5n(2n - 3)(n + 2x)$

I hope I helped you^_^

8 0

3 years ago

Which of the following is equivalent to

kykrilka [37]

Answer:

1/6

Step-by-step explanation:

36=6^2

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4 years ago

A recently admitted class of graduate students at a large state university has a mean GRE verbal score of 650 with a standard de

hjlf

Answer:

The answer is below

Step-by-step explanation:

The z score is a score used to determine the number of standard deviations by which the raw score is above or below the mean, it is given by the equation:

$z=\frac{x-\mu}{\sigma} \\\\\mu=mean, \sigma=standard\ deviation,x=raw\ score\\\\for\ a\ sample\ n:\\\\z=\frac{x-\mu}{\sigma/\sqrt{n} }$

Given that μ = 650, σ = 50. To find the probability that 5 students who have a mean of 490, we use:

$z=\frac{x-\mu}{\sigma/\sqrt{n} } =\frac{490-650}{50/\sqrt{5} } =-7.16$

From the normal distribution table, P(x < 490) = P(Z < -7.16) = 0.0001 = 0.01%

Since only a small percentage of people score about 490, hence the local newspaper editor should write a scathing editorial about favoritism

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3 years ago