Is the line increasing or decreasing y=-3x+19

Answers

Answer 1

Answer: Decreasing. The slope is negative.

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Two large numbers of the Fibonacci sequence are f50=12,586,269,025 and f51=20,365,011,074. What is the approximate value of the quotient f51/f50

Answers

jsut divide them
12,586,269,025 and 20,365,011,074
f51/f50=20,365,011,074/12,586,269,025= 0.6183398874989

What is 7,5 and move 7 units left and 5 units down

Answers

The answer would be (0,0)

What is the solution of the system? Use substitution.4x – y = 5
3x – 7 = 2
A) (3, 7)
B) (7, -7)
C) (-3, 7)
D) (3/4, 2/5

Answers

4x-y=5

3x-7=2

We need to solve 3x-7=2 for x

Let's start by adding 7 to both sides

3x-7+7=2+7

3x=9

Now just divide both sides by 3 so we can find the value for x

3x/3=9/3

x=3

Now substitute 3 for x in 4x-y=5

4x-y=5

(4)(3)-y=5

-y+12=5

Now add -12

-y=12-12=5-12

-y=-7

Divide both sides by -1 so we can eliminate the negative sign

-y/-1=-7/-1

y=3

The answer is A

(3,7)

I hope that's help:0

Solve the system of equations2x+6y=-6, 4x-3y=-12
what is the solution to the system of equations

Answers

2x + 6y = -6 ...(1)

4x - 3y = -12 ...(2)

We can use the method of substitution or elimination to find the solution. I will use the method of substitution.

From equation (1), we can solve for x in terms of y:

2x = -6 - 6y

x = (-6 - 6y)/2

x = -3 - 3y

Now, substitute this value of x into equation (2):

4(-3 - 3y) - 3y = -12

-12 - 12y - 3y = -12

-15y = 0

y = 0

Substitute this value of y back into equation (1) to find x:

2x + 6(0) = -6

2x = -6

x = -3

Therefore, the solution to the system of equations is x = -3 and y = 0.

hope this helps

Answer:

x = -3, y = 0

Step-by-step explanation:

2x+6y=-6 equation1

4x-3y=-12 equation2

multiply equation2 by 2

2[ 4x-3y=-12]

8x - 6y = -24 equation3

add equations 1 & 3

2x+6y=-6

8x - 6y = -24

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

10x = -30

x = -3

substitute x = -3 to any of the equations

I will use equation1

2x+6y=-6

2(-3) + 6y = -6

-6 + 6y = -6

6y = 0

y = 0

How many different choices of a car does a person have a particular model comes in six colors and three styles

Answers

Answer:

Step-by-step explanation:

Each color has three styles and there is 6 colorsso eahc style has 6 colors to choose from. We simply multiply 6 with 3.

You get 18

The function g(x) = –3x2 – 36x – 60 written in vertex form is g(x) = –3(x + 6)2 + 48. Which is one of the transformations applied to the graph of f(x) = x2 to change it into the graph of g(x) = –3x2 – 36x – 60? The graph of f(x) = x2 is made narrower. The graph of f(x) = x2 is shifted right 6 units. The graph of f(x) = x2 is shifted down 48 units. The graph of f(x) = x2 is reflected over the y-axis.

Answers

The general vertex form is this:
v(x) = a (x-h)2 + k
where (h,k) is the coordinates of the of vertex.
and a indicates the widening or shrinking of the function compared to another parabolic function. If a become bigger, the graph becomes narrower. If a becomes negative, the graph is reflected over the x-axis.

Comparing f(x) = x2 with g(x) = -3(x+6)2 + 48, we have the following transformations:
The graph is reflected over the x-axis
The graph is made narrower.
The graph is shifted 6 units to the left.
The graph is shifted 48 units up.

From the choices we only have:
The graph of f(x) = x2 is made narrower

A. The graph of f(x) = x2 is made narrower.

I took the test and that was the answer i got.

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