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malfutka [58]
2 years ago
6

Solve y y=8x-x^2 y=2x STEP BY STEP SOLUTION PLEASE HELP

Mathematics
1 answer:
Rudik [331]2 years ago
3 0

Answer:

y=12

Step-by-step explanation:

y=2x ,so 2x=8x-x^2

x^2=8x-2x

x^2=6x

x^2/x=6x/x

x=6

y=2x ,2(6)

y=12

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Determine the dependent variable in the statement:
Novay_Z [31]

Answer:

2 Amount of stretching

Step-by-step explanation:

answer is amount of stretching because

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5 0
3 years ago
The equation of the hyperbola with center at (0, 0) opening horizontally, with a = 2, b = 5 is:
tresset_1 [31]

Answer:

\frac{x^2}{4}-\frac{y^2}{25} =1

Step-by-step explanation:

we are given

center =(0,0)

we can compare with

center=(h,k)=(0,0)

so, h=0 and k=0

a=2 and b=5

now, we can use equation of hyperbola formula

\frac{(x-h)^2}{a^2}-\frac{(y-k)^2}{b^2} =1

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\frac{(x-0)^2}{2^2}-\frac{(y-0)^2}{5^2} =1

we can simplify it

and we get equation of hyperbola as

\frac{x^2}{4}-\frac{y^2}{25} =1


5 0
3 years ago
the perimeter of a rectangle is 68ft the ratio of the length to the width iss 9:8 what are the dimensions of the rectangle
NikAS [45]

Answer:


Step-by-step explanation:

2 * L + 2 * W = 68  

2*L = 2* 9x = 9x + 9x  

2*W = 2*8x = 8x + 8x  

Since the perimeter is 68  

9x + 9x + 8x + 8x = 68

4 0
3 years ago
F(x)=x+2/2 what is the value of f(-8)<br><br> A.-4<br> B.-3<br> C.-5<br> D.-6
bonufazy [111]
Answer: Choice B) -3

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

Work Shown:

f(x) = (x+2)/2
f(-8) = (-8+2)/2 ... replace every x with -8; use PEMDAS
f(-8) = (-6)/2
f(-8) = -3

4 0
3 years ago
What’s the answer for simplify
Pepsi [2]

Answer:

it can be simplified

Ans:6x squared +9x-5

Step-by-step explanation:

8x squared minus negative 2x squared is equal to positive six squared, +9x cannot be simplified because there are no other liked terms and -5 too.

5 0
3 years ago
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