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4 years ago

Mid point between (0,0) (11,9)

Mathematics

1 answer:

almond37 [142]4 years ago

4 0

9514 1404 393

Answer:

(5.5, 4.5)

Step-by-step explanation:

The midpoint coordinates are the average of the end point coordinates.

((0, 0) +(11, 9))/2 = (11, 9)/2 = (5.5, 4.5) . . . midpoint

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I really need help with this one y’all!!! Please!

strojnjashka [21]

Answer:7.3 repeating

Step-by-step explanation:

First, since these are right across from each other, they are equal. So (x+16)=(4x-5)

Then you would subtract the 4x from both sides. Making the equation (-3x+16) = (-5)

Subtract the 16 from both sides making it a -3x=-22

To turn it positive, divide everything by negative 1 making the equation 3x=22

Divide 22 by 3 and you get your answer.

3 0

4 years ago

1) On a standardized aptitude test, scores are normally distributed with a mean of 100 and a standard deviation of 10. Find the

Musya8 [376]

Answer:

A) 34.13%

B) 15.87%

C) 95.44%

D) 97.72%

E) 49.87%

F) 0.13%

Step-by-step explanation:

To find the percent of scores that are between 90 and 100, we need to standardize 90 and 100 using the following equation:

$z=\frac{x-m}{s}$

Where m is the mean and s is the standard deviation. Then, 90 and 100 are equal to:

$z=\frac{90-100}{10}=-1\\ z=\frac{100-100}{10}=0$

So, the percent of scores that are between 90 and 100 can be calculated using the normal standard table as:

P( 90 < x < 100) = P(-1 < z < 0) = P(z < 0) - P(z < -1)

= 0.5 - 0.1587 = 0.3413

It means that the PERCENT of scores that are between 90 and 100 is 34.13%

At the same way, we can calculated the percentages of B, C, D, E and F as:

B) Over 110

$P( x > 110 ) = P( z>\frac{110-100}{10})=P(z>1) = 0.1587$

C) Between 80 and 120

$P( 80$

D) less than 80

$P( x < 80 ) = P( z$

E) Between 70 and 100

$P( 70$

F) More than 130

$P( x > 130 ) = P( z>\frac{130-100}{10})=P(z>3) = 0.0013$

8 0

3 years ago

Please help me with this

zloy xaker [14]

Answer:

0.6

Step-by-step explanation:

add 0.1 to 0.5 giving you 0.6

the rest are 0.7, 0.8, 0.9,

hope this helps! <3

8 0

3 years ago

I need an answer ive been stuck on it!!

Nikitich [7]

Answer:

the greatest common factor is 1 because 2, 3, 5, 7, 11, and 17 are prime

Step-by-step explanation:

5 0

3 years ago

A civil engineer is mapping the overhead clearance of his family’s property on a coordinate grid. The ground is represented by t

statuscvo [17]

The distance from the base of the tree to the tallest would be 14.21 cm

<h3>We have the following data points in this question</h3>

X1 = 8 feet

y1 = 16 feet

x2 = 11 feet

y2 = 9 feet

To proceed with the solution we have to

We have to solve for the shorter tree

$\sqrt{(y2 -y1)^2 + (x2-x1)^2} \\\\= \sqrt{9-0^2 + 11-0^2}$

<em>= </em>9² + 11²

= √81 +121

= 14.21

<h3>For the taller tree we would have</h3>

√8² + 16²

= √64 +256

= 17.89