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natima [27]
3 years ago
15

A figure was created using a tangle and a semicide. Use the ruler provided to measure the

Mathematics
1 answer:
Natali5045456 [20]3 years ago
4 0
And I’m sorry I don’t think you
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Find the slope using the following two points:<br> (2,-7) and (-1,6)
Advocard [28]

Answer:

13/-3

Step-by-step explanation:

Y2-Y1/X2-X1

7 0
3 years ago
Rita is hiking along a trail that is 13.7 miles long.So far she has hiked along one-tenth of the trail. How far has Rita hiked.
erastovalidia [21]
Hello there, my fellow human being!

The answer is 1.37 miles.

Hope this helped!
~Ruru
8 0
3 years ago
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Which of the following are incorrect expressions for slope? Check all that apply.
Crazy boy [7]
Pretty sure it’s B and D
7 0
2 years ago
R = sec(θ) − 2cos(θ), where -π/2 &lt; θ &lt; π/2
Alex

Answer:

  y = (x/(1-x))√(1-x²)

Step-by-step explanation:

The equation can be translated to rectangular coordinates by using the relationships between polar and rectangular coordinates:

  x = r·cos(θ)

  y = r·sin(θ)

  x² +y² = r²

__

  r = sec(θ) -2cos(θ)

  r·cos(θ) = 1 -2cos(θ)² . . . . . . . . multiply by cos(θ)

  r²·r·cos(θ) = r² -2r²·cos(θ)² . . . multiply by r²

  (x² +y²)x = x² +y² -2x² . . . . . . . substitute rectangular relations

  x²(x +1) = y²(1 -x) . . . . . . . . . . . subtract xy²-x², factor

  y² = x²(1 +x)/(1 -x) = x²(1 -x²)/(1 -x)² . . . . multiply by (1-x)/(1-x)

  \boxed{y=\dfrac{x\sqrt{1-x^2}}{1-x}}

__

The attached graph shows the equivalence of the polar and rectangular forms.

4 0
2 years ago
MARKING AS BRAINLIEST!! Starr if given functions are inverse)!
Kitty [74]

Answer: They are inverses of each other

==========================================================

Explanation:

We'll need to compute h(f(x)) and f(h(x)) to see if we get x each time.

h(x) = 9x-4\\\\h(f(x)) = 9(f(x))-4\\\\h(f(x)) = 9\left(\frac{x+4}{9}\right)-4\\\\h(f(x)) = x+4-4\\\\h(f(x)) = x\\\\

and,

f(x) = \frac{x+4}{9}\\\\f(h(x)) = \frac{h(x)+4}{9}\\\\f(h(x)) = \frac{9x-4+4}{9}\\\\f(h(x)) = \frac{9x}{9}\\\\f(h(x)) = x\\\\

Both composite functions lead to x each time.

The equations h(f(x)) = x and f(h(x)) = x being true means each function is the inverse of the other.

5 0
3 years ago
Read 2 more answers
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