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Dmitry [639]
3 years ago
7

QUICK HELP I NEED TO ANSWER THIS QUESTION WHO ASKED???

Mathematics
1 answer:
timurjin [86]3 years ago
3 0

Answer:

Lol

Step-by-step explanation:

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The  area of triangle formed by points of intersection of parabola y=a(x+5)(x−1) with the coordinate axes is 12. Find a if it is
Pie

We know that the points at which the parabola intersects the x axis are

(-5,0) and (1,0)

So the extent between these two points would be the base of the triangle

lets find the length of the base using the distance formula

\sqrt{[(-5-1)^{2}+(0-0)^{2} ]}

the base b=6

We will get the height of the triangle when we put x=0 in the equation

y=a(0+5)(0-1)

y=-5a

so height = -5a (we take +5a since it is the height)

We know that the area of the triangle =

\frac{1}{2} × 6 × (5a) = 12

15a=12

a= \frac{4}{5}


7 0
3 years ago
HELP PLEASE HURRY!!
nikklg [1K]
The second one !!!

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6 0
2 years ago
A cosine function has a period of 5, a maximum value of 20, and a minimum value of 0. The function is not a reflection of its pa
Alika [10]

Answer:

  A:  f(x)=10cos(2π/5 x)+10

Step-by-step explanation:

The coefficient of x in the cosine argument of the function will be 2π/period. Since the period is 5, the coefficient is 2π/5. This observation eliminates choices B and C.

The description "not a reflection of the parent function over the x-axis" means the multiplier of the cosine function is not negative, eliminating choice D.

The remaining choice A matches the description.

7 0
3 years ago
Which best describes the range of a function?
MArishka [77]

Answer:

C, the set of all possible output values

Step-by-step explanation:

Range = Output

8 0
4 years ago
Read 2 more answers
6x + 40=<br> does anyone know the answer
KengaRu [80]

Answer:

6x + 40 \\  \\   6x =  - 40 \\  \\ x =   \frac{ - 40}{6}

6 0
3 years ago
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