A man wants to paint his room with an area of 515 square feet. He mixses the following paints to make a shade of green

1 answer:

6 0

About 3 gallons of blue paint will be needed because if you add 175+175 it equals 350 and then add another 175 it equals 525.

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At what value of x does the minimum or maximum occur for the function below? f(x) = 8(x + 8)2 + 9 A. maximum at x = 9 B. minimum

WINSTONCH [101]

$8 {(x + 8)}^{2} + 9 \geqslant 9 \: ( {(x + 8)}^{2} \geqslant 0) \\ \Leftrightarrow x + 8 = 0\Leftrightarrow x = - 8 \\ \Rightarrow D.\: Minimum\: at\: x=-8$

3 0

4 years ago

Mr. Haley is leaning a ladder against the side of his house to repair the roof.

Ludmilka [50]

Answer:

20 feet

Step-by-step explanation:

Remember the Pythagorean theorem,

x^2 + y^2 = n^2

in this case

x= 16

y = 12

so substitute back into the equation

16^2 + 12^2 = n^2

256 + 144 = n^2

400 = n^2

sqrt ( 400) = n

20 = n

8 0

3 years ago

Answer all question for brainliest

Neporo4naja [7]

Answer:

this shows that the height of 13 year old females in one class is less variable than the other class.
this means that the height of students in class with range 6 may vary from person to person while that in class with range 3 maybe clustered around one another.
we're expected to see students of almost same height in class ,with range 3, more than the students in class with range 6.

arranging the values in ascending order

2, 2, 4, 4, 4, 5, 6, 6, 6, 8, 8, 9

$mean = \frac{ sum \: of \: all \: observations}{total \: number \: of \: observations}$