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valentinak56 [21]
2 years ago
12

Find the solution(s) to the system of equations represented in the graph. (5 points)

Mathematics
1 answer:
adoni [48]2 years ago
3 0

Answer:

(0, -2) and (2, 0)

Step-by-step explanation:

The solution to a systems of equations is when the x and y values are equal for two equations. This can also been seen as when the two equations intersect. So by looking at the graph you see the line and the circle intersect at the point (2, 0) and (0, -2) which are going to be the two solutions to the systems of equations.

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Givin the area of a square is 225 square feet, what is the length of each side
Romashka [77]
The area of a square is calculated by squaring the length of the sides (multiplying by itself).  Therefore, in order to find the length, you must find the square root of 225. 

The square root of 225 is 15.  Therefore, you length of each side is 15 feet. 


p.s. I don't know how old you are, but I would recommend trying to memorise your square numbers up to 17^{2} .  I know I found that incredibly useful when it came to my exams last year (GCSEs)

7 0
4 years ago
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25 POINTS QUICK!!! could someone please help me with these two problems?? and possibly explain?? i need work too please! 25 POIN
svet-max [94.6K]

Answer:

the first one A the sum of the angles are 10x+10 For the second one B the sum wud be 8x+20

Step-by-step explanation:

you juts add them all together


6 0
4 years ago
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How would I do the steps to solve this?
allsm [11]

Answer:

The maximum revenue is 16000 dollars (at p = 40)

Step-by-step explanation:

One way to find the maximum value is derivatives. The first derivative is used to find where the slope of function will be zero.

Given function is:

R(p) = -10p^2+800p

Taking derivative wrt p

\frac{d}{dp} (R(p) = \frac{d}{dp} (-10p^2+800p)\\R'(p) = -10 \frac{d}{dp} (p^2) +800 \ frac{d}{dp}(p)\\R'(p) = -10 (2p) +800(1)\\R'(p) = -20p+800\\

Now putting R'(p) = 0

-20p+800 = 0\\-20p = -800\\\frac{-20p}{-20} = \frac{-800}{-20}\\p = 40

As p is is positive and the second derivative is -20, the function will have maximum value at p = 40

Putting p=40 in function

R(40) = -10(40)^2 +800(40)\\= -10(1600) + 32000\\=-16000+32000\\=16000

The maximum revenue is 16000 dollars (at p = 40)

3 0
3 years ago
What is the value of x when <br>5 - x = 1/2x + 4​<br><br>A -6<br>B 2<br>C 2/3<br>D 3/2
Marina CMI [18]

C 2/3

Both sides of the equation would be equal to 4 and 1/3

6 0
4 years ago
Find the hypotenuse of a right triangle with legs measuring 4 and 5​
Zepler [3.9K]

Answer:

20

Step-by-step explanation:

4^2 + 5^2 = x^2

16 + 25 = 41

x^2 = 41

x = sqrt 41  or 6.4

8 0
3 years ago
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