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4 years ago

Help me please!! I am so confused!!

Mathematics

1 answer:

Gwar [14]4 years ago

7 0

Answer:

(4,1), (-4,1), (4,6), (-4,6)

Step-by-step explanation:

Here can be identified two points with the same 'y' value: (4,1), (-4,1)

it means that there is a line passing by y=1

Same for (4,6), (-4,6): it means that there is a line passing by y=6

Now find the distance between two points in both cases

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Use Distributive property to rewrite each expression. 5x680

Marrrta [24]

5 x 680

= 5 ( 600 + 80)

= 3000 + 400

=3400

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3 years ago

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PLEASE SOMEONE HELP ME ON THIS PLZ SHOW WORK

ale4655 [162]

This equation is known as the equation for exponential growth/decay:
$y = ab^x$

Since the car is worth no more than $1,900 when bought, we can rewrite the above equation as:
$1900 \geq ab^x$

a is the initial value, and b is the growth factor, x is the amount of time that passes.

So, we can plug in all that information (it's negative because the car's value goes down):
$1900 \geq -17930(0.19)^x$

That's your final answer^.

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3 years ago

The parabola opens upward has x = 2 as an axis of symmetry and contains the non -vertex points (1, 9) and (4, 27) write the equa

Sedaia [141]

Answer:

Step-by-step explanation:

f(x) = a(x - h)² + k - vertex form of the equation of the parabola with vertex (h, k)

"the parabola opens upward" means: a>0

"the parabola has x = 2 as an axis of symmetry" means: h = 2

so f(x) = a(x - 2)² + k

"the parabola contains the point (1, 9)" means:

9 = a(1 - 2)² + k

9 = a(-1)² + k

9 = a + k

k = 9 - a

"the parabola contains the point (4, 27)" means:

27 = a(4 - 2)² + k

so:

27 = a(2)² + 9 - a

27 = 4a + 9 - a

3a = 18

a = 6

and k = 9 - 6 = 3

Therefore the vertex form for this parabola is:

f(x) = 6(x - 2)² + 3

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3 years ago

|3 + x| = 5 Solve for x

bearhunter [10]

Answer:

x = - 8 , x = 2

Step-by-step explanation:

the absolute value function always gives a positive result, however, the expression inside can be positive or negative, , that is

x + 3 = 5 ( subtract 2 from both sides )

x = 2

-(3 + x) = 5

- 3 - x = 5 ( add 3 to both sides )

- x = 8 ( multiply both sides by - 1 )

x = - 8

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2 years ago

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How many solutions does the equation have?

horsena [70]

D:) infinitely many solutions

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4 years ago