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dalvyx [7]
3 years ago
11

F(x) = 4x^2+2x+6 what is the discriminant of f? How many distinct real number zeros does f have?

Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
8 0

Answer:

The discriminant of f is 92, and it has no real zeros

Step-by-step explanation:

The discriminant of a quadratic is b^2-4ac, where the quadratic is in the form ax^2+bx+c. The discriminant of this one is therefore:

2^2-4(4)(6)=4-96=-92

Since the square root of a negative number is imaginary, this quadratic has no real number zeros. Hope this helps!

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Diameter is 22.5m. Calculate the area (round your answer to 2 decimal places). Use 3.14 for Pi.​
Tamiku [17]

Answer:

because r=d/2 it will be

22.5/2=r

r=11.25m

c=2×3.14×11.25

c=70.65msquare

c=7065/1oo

7 0
3 years ago
4) Use the distance formula to find the length of segment BC.
gogolik [260]

Answer:

5

Step-by-step explanation:

d= √(5-1)^2+(1-4)^2

d= √4^2+(-3)^2

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3 years ago
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harina [27]
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7 0
3 years ago
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alexandr402 [8]
First we need to find the rate which is the total amount driven divided by the total time.

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Hope this helps :D
3 0
3 years ago
In a fishing competition Johannes and Peter together caught 48 fish.
Alenkasestr [34]

John caught 18 fishes and Peter caught 30 fishes.

Step-by-step explanation:

Let,

Fishes caught by John = x

Fishes caught by peter  = y

Total fishes caught = 48

According to given statement;

x+y=48    Eqn 1

x=\frac{3}{5}y   Eqn 2

Putting  Eqn 2 in Eqn 1;

\frac{3}{5}y+y=48

Multiplying each term by 5;

5*\frac{3}{5}y+5*y=48*5\\3y+5y=240\\8y=240

Dividing both sides by 8

\frac{8y}{8}=\frac{240}{8}\\y=30

Putting y=30 in Eqn 1

x+30=48\\x=48-30\\x=18

John caught 18 fishes and Peter caught 30 fishes.

Keywords: linear equation, substitution method

Learn more about substitution method at:

  • brainly.com/question/11007026
  • brainly.com/question/11207748

#LearnwithBrainly

4 0
2 years ago
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