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3 years ago

PLLLLLLEAASSSSSSE HHHEEELLLPP AAAASSAPP

Mathematics

1 answer:

NeTakaya3 years ago

4 0

Answer:

The true statements are:

*The median weight for shelter A is greater than shelter B.

*The (IQR) interquartile range of shelter A is greater than the (IQR) interquartile range of shelter B.

Step-by-step explanation:

(for shelter A)

median: 21

lowest value: 8

highest value: 30

lower quartile: 17

upper quartile: 28

(IQR) interquartile range: 28 - 17 = 11

Range: 30 - 8 = 22

(for shelter B)

median: 18

lowest value: 10

highest value: 28

lower quartile: 16

upper quartile: 20

(IQR) interquartile range: 20 - 16 = 4

Range: 28 - 10 = 18

~phew!, this took me long xd, hope this helps you~

I would highly appreciate it if you would mark me the brainliest~ :)

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3 years ago

The y coordinate of the vertex of f (x)=-x^2+8x+7 is f(4)

azamat

Hello there.

To answer this question, we need to remember some properties about the vertex of quadratic functions.

Let $f(x)=ax^2+bx+c,~a\neq0$ . Its vertex can be found on the coordinates $(x_v,~y_v)$ such that $x_v=-\dfrac{b}{2a}$ and $y_v=-\dfrac{b^2}{4a}+c$ , in which $y_v=f(x_v)$ .

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