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Artemon [7]
4 years ago
10

How do you know if a parabola has maximum or minimum?

Mathematics
1 answer:
aliina [53]4 years ago
5 0
Look at the negative sign before the "a" term. For example, "-ax^2+bx+c" has a maximum point because of the negative sign in front of "a"(face-down parabola). This equation, "ax^2+bx+c", has a minimum point as there is no negative sign in front of "a."
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For each ordered pair (x,y) , determine whether it is a solution to the inequality
Leviafan [203]
The answer are below, the work is show step by step.

8 0
4 years ago
HELLLP MEEEEEEEE PLEASE
jolli1 [7]

Answer:

Each side is 15 ft

Step-by-step explanation:

The area of a square is given by

A = s^2 where s is the side length

225 ft^2 = s^2

Take the square root of each side

sqrt ( 225 ft^2) = sqrt ( s^2)

15 ft = s

Each side is 15 ft

6 0
3 years ago
Read 2 more answers
HELP ME PLEASE I NEED HELP​
Olin [163]

Step-by-step explanation:

You should prolly subtract 2 from both sides first.

So you get, -|2/5x + 3| > -1 2/5

  • Add three to both sides
  • -|2/5x| = -1 2/5
  • Do -1 and 2/5 divided by 2/5 to get -3.5, x > -3.5

One of the answers is x > -3.5 but you need to switch the sign to less than and make the other side the opposite.

-( \frac{2}{5}x + 3 ) < 1 \frac{2}{5}

You see that, switched the sign and made whats on the right side opposite. So now solve for x again but with this new equation. Also, the parentheses are absolute value signs

Subtract 3 from both sides

-|2/5x| < -1 and 3/5

Divide 2/5 from each side to get x < -4

I hope I'm correct, my bad if I'm wrong

6 0
3 years ago
Read 2 more answers
Money from an allowance or job is known as what
sineoko [7]

Answer:

salary my guesss don't know right or wrong

3 0
3 years ago
Read 2 more answers
A study in your town found that 54 in 1,762 people have a post office box what percent of the people in town have a post office
gavmur [86]
Multiply 54 times 100 then divide by 1,762

54 times 100= 5400

5400\1,762= .03

which equals to 3%
4 0
3 years ago
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