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jonny [76]
3 years ago
11

What are the zeros of the quadratic function? f(z)=3z^2−11z−4 Enter your answers, as simplified fractions if necessary, in the b

oxes.
Mathematics
1 answer:
Alenkasestr [34]3 years ago
7 0

Answer:

z=4  and z=-1/3  are the zero's

Step-by-step explanation:

To find the zeros of the quadratic function, we need to set it equal to zero.

f(z)=3z^2−11z−4

0 =3z^2−11z−4

Now we need to factor the function

0 = (z - 4) (3 z + 1)

Then using the zero product property set each factor to zero

0 = z-4   0 = 3z+1

Now solve

0+4 = z-4+4          0 -1 = 3z+1-1

4 =z                         -1 = 3z

                                -1/3 = 3z/3

                                   -1/3 =z

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Lera25 [3.4K]

Answer:

Step-by-step explanation:

cos x=sin 2x

sin 2x-cos x=0

2 sin x cos x-cos x=0

cos x(2 sin x-1)=0

either cos x=0

x=\frac{\pi }{2},\frac{3\pi }{2}

or

2 sin x-1=0

sin x=\frac{1}{2} =sin (\frac{\pi }{6}),sin(\pi -\frac{\pi }{6} )\\x=\frac{\pi }{6} ,\frac{5 \pi }{6}

6 0
2 years ago
Given the equation, what is the center and radius of the circle? <br> (X-2) ^2+ (Y+11)^2=100
LekaFEV [45]

Answer:

Center: (2, -11)

Radius: 10

Step-by-step explanation:

(x - 2)² + (y + 11)² = 100

(x - h)² + (y - k)² = r²

-------------------------------

x - 2 = 0

  +2   +2

x = 2

------------

y + 11 = 0

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y = -11

------------------------------

r² = 100

r = √100

r = 10

----------------------------

Center: (h, k)

Radius: r

-------------------------------

Center: (2, -11)

Radius: 10

I hope this helps!

3 0
2 years ago
Read 2 more answers
The smallest of 6 consecutive integers is p, and the greatest is q. What is the value of the average of p and q in terms of p?
Paladinen [302]

Answer:

Option A.

Step-by-step explanation:

It is given that the smallest of 6 consecutive integers is p. So, all numbers are

p,p+1,p+2,p+3,p+4,p+5

The greatest is q.  

q=p+5

Now, the value of the average of p and q in terms of p is

Average=\dfrac{p+q}{2}

Average=\dfrac{p+p+5}{2}

Average=\dfrac{2p+5}{2}

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Therefore, the correct option is A.

3 0
3 years ago
Compute x/y if
Ivenika [448]

Answer:

Y = 1/4x-1

X = 4y-1

Step-by-step explanation:

layout the equations :

x+1/y = 4        y+1/x = 1/4

solve the equations, remember to switch sides switch signs solving the equations will give us the value of the letter

x+1/y = 4

x+1 = 4y

x=4y-1

***

y+1/x = 1/4

y+1  = 1/4x

y = 1/4x-1

4 0
2 years ago
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(b) A $150 bonus was awarded to the three salespeople, which they had to share. It was awarded so that each salesperson received
fiasKO [112]
Each person made $50.
150 divided by 3 = 50.
6 0
2 years ago
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