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DiKsa [7]
3 years ago
15

Does the table below represent a function? yes no

Mathematics
2 answers:
Airida [17]3 years ago
5 0
No the table doesn't
MA_775_DIABLO [31]3 years ago
4 0
Yes it does but the water is decreasing by 12
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If the discriminant is positive how many solutions are there
ddd [48]

Answer:

b^2-4ac>0 yields 2 real roots

Step-by-step explanation:

To find the number of real roots for a quadratic, we apply the discriminate. The discriminate is the inside portion of the square root from the quadratic formula.

• b^2-4ac>0 yields 2 real roots

• b^2-4ac=0 yields 1 real root

• [tx]b^2-4ac<0[/tex] yields no real roots

Example:

4x^2-7x+2=0 where a=4, b=-7, and c=2

b^2-4ac=(-7)^2-4(4)(2)=49-32=17.

It has 2 real roots


7 0
3 years ago
I need help with this!
sashaice [31]

Answer:

Step-by-step explanation:

Let the width be w centimeters.

Then the length = w + 7.

The area A is found from the length multiplied by the width.

330 = w(w + 7) = w^2 + 7w.

Now we can rearrange this equation to form a quadratic, as follows:

The factorization of the quadratic is:

(w + 22)(w - 15) = 0

Therefore we find that:

width = 15 centimeters

length = 22 centimeters

4 0
3 years ago
Read 2 more answers
HELPP PLSSS!!! When factoring a number, you can use _[blank 1] as a shortcut. For example, you can tell if 5 is a factor of a nu
Andru [333]

Answer:

blank 1: divisibility rules

blank 2: its last digit is 0 or 5

3 0
3 years ago
I need to know how to solve for the value of x
dimulka [17.4K]
Hey Katie

4^2x+3 = 1
We need to solve for x

log(4^2x+3) = log (1)
Now take log of
(2x +3) * log (4) = log (1)
2x + 3 = log(1)/log(4)
2x + 3 = 0
2x = 0 - 3
2x = -3
x = -3/2


I hope that's help ! 

8 0
3 years ago
Write the equation of the line that passes through the points (3, 6) and (5, 18) using function notation.
V125BC [204]
D. y = 6x - 12 is the answer
6 0
3 years ago
Read 2 more answers
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