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3 years ago

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A triangle has vertices at (1,3),(2,-3), and (-1,-1). What is the approximate perimeter of the triangle? A. 16 B: 14 C: 15 D: 10

1 answer:

Brut [27]3 years ago

4 0

Answer:

B 14

explanation:

i did the math

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Help pls i need i got 2 mins

serious [3.7K]

Answer:

The new position of the bird is 1 ft below surface of pond.

Step-by-step explanation:

- Position of water bird after 15ft dive:

11-15= -4ft

- Position of water after rising 3 feet:

-4+3= -1ft

Therefor it id 1ft below the surface of the pond

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Solve the inequality -8r<-12.

Kobotan [32]

Divide -8 from both sides to get the answer

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Scilla [17]

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3 years ago

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The topic is piecewise functions, can someone help? i’m a little confused :)

AleksAgata [21]

Given:

The piecewise function is:

$f(x)=\begin{cases}x+5&x$

To find:

The values of $f(-4),f(-2),f(0),f(3)$ .

Solution:

For $x$ , the function is

$f(x)=x+5$

For $x\geq -2$ , the function is

$f(x)=x^2+2x+3$

a) The value of $f(-4)$ is:

$f(-4)=-4+5$

$f(-4)=1$

b) The value of $f(-2)$ is:

$f(-2)=(-2)^2+2(-2)+3$

$f(-2)=4-4+3$

$f(-2)=3$

c) The value of $f(0)$ is:

$f(0)=(0)^2+2(0)+3$

$f(0)=0-0+3$

$f(0)=3$

d) The value of $f(3)$ is:

$f(3)=(3)^2+2(3)+3$

$f(3)=9+6+3$

$f(3)=18$

Therefore, the required values are $f(-4)=1,f(-2)=3,f(0)=3,f(3)=18$ .

8 0

3 years ago