3 years ago

What is the perimeter of the figure shown above? a. 10 cm c. 15 cm b. 20 cm d. 19 cm

Mathematics

1 answer:

nika2105 [10]3 years ago

3 0

Answer:

c,15

Step-by-step explanation:

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Find the solutions to the system of equations. Select all that apply. Y=x^2-1 y=2x-2

Sliva [168]

Answer:

Option C (1, 0)

Step-by-step explanation:

We have a system with the following equations:

$y = x ^ 2-1\\\\y = 2x-2$

The first equation is a parabola.

The second equation is a straight line

To solve the system, substitute the second equation in the first and solve for x.

$2x-2 = x ^ 2 -1$

Simplify

$x ^ 2-2x + 1 = 0$

You must search for two numbers that when you add them, obtain as a result -2 and multiplying both results in 1.

These numbers are -1 and -1

Therefore

$x ^ 2-2x + 1= (x-1)(x-1)\\\\x ^ 2-2x + 1= (x-1)^2=0$

Finally the solutions are

$x = 1\\y =0$

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Dafna1 [17]

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3 years ago

a movie ticket cost $9. a concert ticket cost $45. which equation can be use to find how many times as much the concert ticket c

Maurinko [17]

Answer:

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Step-by-step explanation:

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The answer is c because k and m are the same so l and n are also the same

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Step-by-step explanation:

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