Create a quadratic equation that would have two real solutions. Then,

Mathematics

1 answer:

tankabanditka [31]3 years ago

6 0

Answer:

Thinking graphically, these correspond to the graph of the straight line (a) missing the graph of the parabola entirely, (b) kissing the parabola at one point or (c) cutting across the parabola and coinciding with it at 2 points.

Step-by-step explanation:

Explanation:

Graphically, a quadratic equation is a parabola and a linear equation is a straight line.

i hope it helps

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If the area of a circle is 121π square units, what is its diameter?

Marina86 [1]

1 ) A = 121 π
A = r² π
r² π = 121 π
r = √ 121 = 11
The diameter: d = 2 r = 2 * 11 = 22 units
2 ) C = 20 π
C = 2 r π
2 r π = 20 π
r = 20 : 2 = 10 units
A = r² π = 10² π = 100 π square units.

5 0

3 years ago

Read 2 more answers

Find the probability of drawing a 10, replacing it, and drawing an ace.

lions [1.4K]

Assuming that you're talking about a standard deck of 52 cards, there are 4 tens and 4 aces.

So, at the beginning, you have probability 4/52=1/13 to draw a ten.

You replace, and you have an identical probability to draw an ace (you still have 4 favourable cases over 52 total cases).

Multiply the two probabilities to find the answer:

$\dfrac{1}{13}\cdot\dfrac{1}{13}=\dfrac{1}{169}$