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IrinaK [193]
2 years ago
9

David's Parents have a sandwich shop. They sell sandwiches for $5 each and

Mathematics
1 answer:
Marianna [84]2 years ago
8 0

Answer:

d is answer have a great day

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Nata [24]
I'm pretty positive it would be the second one from the top
7 0
3 years ago
Select all the correct equations.
Naya [18.7K]

Answer:

You did not post the options, but i will try to answer this in a general way.

Because we have two solutions, i know that we are talking about quadratic equations, of the form of:

0 = a*x^2 + b*x + c.

There are two easy ways to see if the solutions of this equation are real or not.

1) look at the graph, if the graph touches the x-axis, then we have real solutions (if the graph does not touch the x-axis, we have complex solutions).

2) look at the determinant.

The determinant of a quadratic equation is:

D = b^2 - 4*a*c.

if D > 0, we have two real solutions.

if D = 0, we have one real solution (or two real solutions that are equal)

if D < 0, we have two complex solutions.

3 0
3 years ago
What is the definition of an irrational number?
lianna [129]
A real number that cannot be expressed as a ratio of integers.
3 0
3 years ago
Read 2 more answers
Please help me anyone!
alexgriva [62]

Answer:

D

Step-by-step explanation

When it comes to negatives,The closer it is to zero, the higher it is.

Hope this helps, PXL

6 0
3 years ago
To find 19+(11+37)Lennon added 19 and 11 Then he added 37 to the sum What property did he use?
Sliva [168]
Lennon used the property o addition
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