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3 years ago

13

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1 answer:

zalisa [80]3 years ago

6 0

1.) y-7=4(x+3)
2.) y+7=(x-1)
3.) y-3=6(x+8)

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The point (1,-1) is on the terminal side of angle theta in standard position what are the values of sine cuisine and tangent of

pickupchik [31]

$\bf \textit{terminal point }\implies 
\begin{array}{lclcll}
(&1&,&-1)\\
&\uparrow &&\uparrow \\
&x&&y
\end{array}
\\\\\\
sin(\theta)=\cfrac{y}{r}
\qquad 
% cosine
cos(\theta)=\cfrac{x}{r}
\qquad 
% tangent
tan(\theta)=\cfrac{y}{x}\\\\
-----------------------------\\\\
\textit{so, what's the radius "r"?}\implies r^2=x^2+y^2\implies r=\sqrt{x^2+y^2}$

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3 years ago

14 brainly points: can someone pls explain to me what a subset is in a way i can understand (and pls don't just find a internet

Oksana_A [137]

Answer:

Yes

Step-by-step explanation:

B is a subset of A because if A= {0,1,2,3,4} and B= {1,2} B is a part of A and B is a smaller version of A

Don't know if this helps but this is how I learned subsets.

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3 years ago

A farmer needs to buy fencing to go around his garden. The garden is a 20’ by 15’ rectangle. How much fencing will he need

lukranit [14]

Use sod six itch yah onto

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3 years ago

Find the volume of a sphere

lukranit [14]

v=4/3 πr^3.

Use this formula

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The circle below is centered at the point 8.4 and has a radius of length 4 what is its equation

pshichka [43]

Answer:

16

Step-by-step explanation:

(x-8)^2 + (y-4)^2= 16

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3 years ago