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tigry1 [53]
3 years ago
5

Given the Equation y squared-Ay-6=0, where A is a constant, find the solutions for y in terms of A

Mathematics
1 answer:
worty [1.4K]3 years ago
5 0

Answer:

do u still need help with this

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Graph this Function 1: f(x) = −3x2 + 2
jasenka [17]

I guess that's f(x) = -3x^2+2

Well :

-3x^2+2=0

-3x^2=-2 / : (-3)

x^2= -2/-3

x^2= 2/3 / sqrt

x= +/ - sqrt(2)/sqrt(3)

We got the zero points.

x ~ +/- 0.81

f(0)= -3(0)^2 + 2

f(0)= 2

Mark three points:

(0.81;0)

(-0.81;0)

(0;2)

Connect with parabolic line and ya got a your graph

3 0
4 years ago
A region is bounded by semicircular arcs constructed on the side of a square whose sides measure 2/\pi, as shown. What is the pe
Paladinen [302]

Answer:

4

Step-by-step explanation:

The perimeter of the region is equal to the sum of the perimeter of the four semicircular arc. Since the semicircular arcs have the same measure, therefore:

Perimeter of region = 4 × Perimeter of semicircular arc.

The side of the square = diameter of the semicircle = 2/π.

The radius of semicircle = diameter/2 = \frac{2/\pi}{2} =\frac{1}{\pi}

The perimeter of a semicircle = perimeter of a circle ÷ 2

Perimeter\ of \ semicircle = \frac{perimeter\ of\ circle}{2}=\frac{2\pi r}{2}=\frac{2\pi (\frac{1}{\pi} )}{2} =1\\  Perimeter\ of\ region = 4*Perimeter\ of \ semicircle=4*1=4\

4 0
3 years ago
1. Fill in the blanks:
Maurinko [17]

Answer:

2.

a. true.

b. false.

c. true.

d. true.

3 0
3 years ago
A ride on a roller coaster cost 4 tickets while the boat ride onlycost 3 tickets Michael went on the two rides a total of ten ti
laila [671]
One equation that represents this statement above me could be: <span>4r + 3 (10-r) = 37.

</span>How? R = Rollercoaster - B = Boat Rides

r + b = 10 

37 tickets were spent so..

4*r + 3*b = 37

We just multiplied the number of rides on roller coasters and the boats with the price of both.

Now we have to express boat rides from the first equation:

b = 10-r, and express that in the second equation, now we get:

4r + 3(10-r) = 37, which is the answer.


6 0
3 years ago
Eevaluate the expression 7x, if x=11.​
Sergeeva-Olga [200]

Answer:

77

Step-by-step explanation:

Substitute the value of the variable into the equation and simplify.

5 0
4 years ago
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