3 years ago

(HELP PLS) A triangle has the coordinates

Mathematics

1 answer:

kari74 [83]3 years ago

4 0

A(-4, -1)
B(-3, -3)
C(0, 2)

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I need help on this quick

Pachacha [2.7K]

Answer:

The hypotenuse to the nearest tenth is 8.1

Step-by-step explanation:

We can use the Pythagorean theorem to solve

a^2 + b^2 = c^2 where a and b are the legs and c is the hypotenuse

Let a be the x leg and b be the y leg

a = 7 units

b= 4 units

7^2 + 4^2 = c^2

49+ 16 = c^2

65 = c^2

Take the square root of each side

sqrt(65) = sqrt(c^2)

8.062257748 =c

To the nearest tenth

8.1 =c

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2 years ago

If f (1) = 5, then (1, 5) is an ordered pair of function f . True False

makkiz [27]

Answer:

true

Step-by-step explanation:

i hope that helped you

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2 years ago

\frac{h^{2}-1 }{h+3} when h=5 Plz answer

Norma-Jean [14]

Answer:

Step-by-step explanation:

$\frac{h^{2}-1 }{h+3}$

$\frac{5^{2} -1}{5+3}$

$\frac{25-1}{8}$

$\frac{24}{8}$

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2 years ago

Which function is the inverse of ſx) - 2x+ 3?

Sonbull [250]

If $f^{-1}(x)$ is the inverse of $f(x)$ , then

$f\left(f^{-1}(x)\right) = x$

which means

$2f^{-1}(x)+3 = x$

Solve for $f^{-1}(x)$ :

$2f^{-1}(x) + 3 = x \\\\ 2f^{-1}(x) = x - 3 \\\\ f^{-1}(x) = \dfrac{x-3}2 = \boxed{\dfrac12x-\dfrac32}$

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2 years ago

a pet store donated 50 pounds of food for adult dogs , puppies and cats to an animal shelter. 19 and 3/4 pounds was adult dog fo

ddd [48]

Answer: 10 3/8

Step-by-step explanation:

= 50 - 19 3/4 - 19 7/8

= 10 3/8

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2 years ago