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strojnjashka [21]
3 years ago
13

The first step in determining the solution to the system of equations, y = -x2 - 4x - 3 and y = 2x + 5, algebraically is to set

the
two equations equal as X? - 4x - 3 = 2x + 5. What is the next step?
Set y = 0in y = -x? - 4x - 3.
Factor each side of the equation.
Use substitution to create a one-variable equation.
Combine like terms onto one side of the equation
Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
6 0

Answer:

Combine like terms onto one side of the equation

Step-by-step explanation:

You have

-x^2  -4x  - 3  = 2x + 5

It seems that we should combine like terms to make this equations smaller.

-x^2 - 4x - 3  - 2x  - 5 = 0

-x^2  -6x  - 8 = 0

- (x + 2)(x + 4) = 0

x = -2  or  x  = -4

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Answer:

Step-by-step explanation:

577.144

7 0
4 years ago
Hector buys a used car with an odometer reading of 31,250 miles. After the first month, the mileage shows an increase of 5%. Aft
Rina8888 [55]

Answer: Add the numbers all up and you will get ur answer


Step-by-step explanation:


3 0
3 years ago
Find the image of z(1,1) after two reflections, first across line l1, and then across line l2.
jok3333 [9.3K]

We conclude that the coordinates after two reflections are (-3, 1)

<h3>How to find the image after the two reflections?</h3>

A reflection across a line moves a point perpendicularly towards that line and translates it to the other side of the line, such that the distance between the point and the line doesn't change.

Here the original point is z(1, 1)

And the first reflection is across line x = 2.

This is a vertical line, then it only will change the x-value.

Now, the distance between the x-value of our point and the line is:

|2 - 1| = 1

The new x-value will be one that is at a distance of 1 unit of the number 2 (a number different than 1, which is the x-value before the reflection).

That value will be x = 3.

|2 - 3| = |-1| = 1

Then the new point is (3, 1)

Now we do another reflection across the y-axis. This only changes the sign of the x-value, then we will get:

(-3, 1)

We conclude that the coordinates after two reflections are (-3, 1).

If you want to learn more about reflections.

brainly.com/question/4289712

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3 0
2 years ago
Bill wants to rent a car. Rental Company A charges $35 per day plus $0.10 per mile driven. Rental Company B charges $25 per day
m_a_m_a [10]
M represents miles
35+0.10m=25+0.15m
35-25+0.10m=25-25+0.15m
10+0.10m=0.15m
10+0.10m-0.10m=0.15m-0.10m
10=0.05m
m=200
Check:
35+0.10(200)=25+0.15(200)
35+20=25+30
55=55
The solution: m=200 is true.
After 200 miles driven, prices charged by both companies will be the same.
7 0
4 years ago
Suppose you use the "capture/recapture" method to come up with an estimate of 200 fish living in a pond. Assume that this result
ivann1987 [24]

Answer:

b

Step-by-step explanation:

4 0
3 years ago
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