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Brums [2.3K]
3 years ago
7

Determine the solutions to the system of equation. y= x^2 – 2 and y= -x + 4

Mathematics
1 answer:
Pepsi [2]3 years ago
5 0

Answer:

y= 7

Step-by-step explanation:

hope this helps plz put me as brainiest

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A paper company needs to ship paper to a large printing business. The paper will be shipped in small boxes and large boxes. Each
Nataly_w [17]

Answer:

12 small boxes

8 large boxes

Step-by-step explanation:

let x be the number of small boxes shipped

let y be the number of large boxes shipped

This means:

the total number of boxes is 20, so

x + y = 20

the number of 50 pound boxes is x and the number of 100 pound boxes is y and together there are 1400 pounds, so

50x + 100y = 1400

Then, solve

First, simplify the equation 50x + 100y = 1400 by dividing both sides by 50

x + 2y = 28

Now, subtract the two equations:

x + 2y = 28

- (x + y = 20)

y = 8

Now plug this into the equation x + y = 20

x + 8 = 20

x = 12

So the number of small boxes is 12 and the number of large boxes is 8.

Here's a graph:

7 0
3 years ago
Which conic's equation has 2 squares with the same signs and different leading coefficients?
Romashka [77]

We want to see which is the conic equation that has 2 squares with the same sign and different leading coefficients.

We will see that it is the equation of the ellipse.

Now let's see why that is the correct answer.

The general conic equation is of the form:

A*(x - a)^2 + B*(x - b)^2 = R^2

Where A and B are the leading coefficients, (a, b) is the center of the figure, and R is the average radius of the figure.

For example, if A = B, this would be the equation of a circle, but we must have two different leading coefficients.

If we write:

A = 1/C

B = 1/K

(both are positive, because "it has two squares with the same signs").

Then we get the equation:

\frac{ (x - a)^2}{C} + \frac{(x - b)^2}{K} = R^2

We get the equation we wanted.

The same sign in both square parts and different leading coefficients.

The above equation is the general equation of an ellipse.

If you want to learn more, you can read:

brainly.com/question/10311514

7 0
2 years ago
10–{22–[(−9)+(−11)]} help i'M HAVING A bad day :( fix it
fredd [130]

Answer:

-32

Step-by-step explanation:

10–{22–[(−9)+(−11)]}

Work inside out

10–{22–[(-20)]}

Subtracting a negative is adding

10–{22+20}

10 - 42

-32

7 0
3 years ago
Find the quotient of 6y²-5y-56 and 2y-7.<br><br>help.​
pashok25 [27]

Answer:

i have made it in above picture

5 0
3 years ago
Simplify 4y + 2y - 5y
goldfiish [28.3K]

Answer:

Your answer is y.

Step-by-step explanation:

4y+2y-5y         given

=6y-5y             add

=y                    subtract

5 0
3 years ago
Read 2 more answers
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