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4 years ago

Will mark brainliest

Mathematics

2 answers:

den301095 [7]4 years ago

8 0

Answer:

<h2>C. The mean will increase, and the median will stay the same.</h2>

Step-by-step explanation:

We know Adam's high score was originally 250, but increased to 290. This would most likely affect the mean since the average mean before Adam received a high score of 290, would have been around 180-220.

We can prove this by hypothetically plugging in 220 for the other three players and 250 for Adam's orginal high score. To find the mean add up the total scores and divided them by four (number of people).

mean (maximum total score) = $\frac{220 + 220 + 220 + 250}{4}$ = 227.5

Then we can plug in Adam's high score of 290 that he late receives.

affected mean (maximum total score) = $\frac{220+220+220+290}{4}$ = 237.5

As you can see, the mean of the maximum total scores is increased by 10.

Now for the median.

The order of the numbers from least to greatest is:

Original- 220, 220, 220, 250 - median = 220

After- 220, 220, 220, 290 = 220

So, the median stayed as 220 and did not change.

Hope this helps :D

Anastasy [175]4 years ago

6 0

Answer:

Step-by-step explanation:

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Quadrilateral HJKL ~ Quadrilateral MPNQ<br><br> Which statements must be true

LenKa [72]

Answer:

m∠K =m∠N

HJ/MP=JK/PN

Step-by-step explanation:

The picture of the question in the attached figure

we know that

if two figures are similar, then the ratio of its corresponding sides is proportional and its corresponding angles are congruent

<u><em>Verify each statement</em></u>

case a) we have

m∠K =m∠N

The statement is true

Because, angle K and angle N are corresponding angles, and remember that in similar figures corresponding angles are congruent

case b) we have

HJ≅MP

The statement is false

Segment HJ and segment MP are proportional, not congruent

case c) we have

m∠J≅m∠N

The statement is false

Because angle J and angle N are not corresponding angles

case d) we have

HJ/MP=JK/PN

The statement is true

Because, the ratio of its corresponding sides is proportional

$\frac{HJ}{MP}=\frac{JK}{PN}=\frac{KL}{NQ}=\frac{HL}{MQ}$

7 0

3 years ago

I'm really bad at geometry. Please help

postnew [5]

The sides of the frame are (12+2x) and (6+2x).
Its area A is 112.

Therefore by equating:
(12+2x)*(6+2x)=112
you can get the answer for x. You will obtain a quadratic equation you have to solve.

4 0

4 years ago

For each pair of points, find the slope of the line that passes through both points.

Georgia [21]

Step-by-step explanation:

a. (1,1) and (7,5)

b. (1,1) and (5,7)

c. (2,5) and (-1, 2)

d. (2,5) and (-7,-4)

Slope of the line that passes through the points

The slope = $\frac{y_{2} - y_{1} }{x_{2} - x_{1} }$