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3 years ago

How do you name a triangle

2 answers:

8 0

The labels of the vertices of the triangle<span>, which are generally capital letters, are used to </span>name a triangle<span>. </span>

NARA [144]3 years ago

3 0

You name a triangle by its angles, and its sides.

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find the circumference of the circle. d=23 in. a)144.44 in b)1661.06 in c)36.11 in d)72.22 in e)415.27 in

snow_lady [41]

Circumference of a circle = $\pi$ (diameter)

Diameter = 23 in.

Plug in the diameter = 23 in in the formula of circumference given above

Circumference of a circle = $\pi$ (23)

Circumference of a circle = 23 $\pi$

$\pi$ = 3.14

Circumference of a circle = 23 (3.14)

Circumference of a circle = 72.22 in

Option D is the answer

4 0

3 years ago

Read 2 more answers

Use the graph of f(x) below to estimate the value of f '(3):

klio [65]

Well, looking at the graph, notice, its vertex is at 0,9, and it passes through the points -3,0 and 3,0, so hmm let's use 3,0, to get the equation of f(x)

$\bf ~~~~~~\textit{parabola vertex form}
\\\\
\begin{array}{llll}
\boxed{y=a(x- h)^2+ k}\\\\
x=a(y- k)^2+ h
\end{array}
\qquad\qquad
vertex~~(\stackrel{}{ h},\stackrel{}{ k})\\\\
-------------------------------$

$\bf vertex~(0,9)~
\begin{cases}
h=0\\
k=9
\end{cases}\implies y=a(x-0)^2+9
\\\\\\
\textit{we also know that }
\begin{cases}
x=3\\
y=0
\end{cases}\implies 0=a(3-0)^2+9
\\\\\\
-9=9a\implies \cfrac{-9}{9}=a\implies -1=a\quad thus\quad \boxed{y=-x^2+9}
\\\\\\
\left. \cfrac{dy}{dx}=-2x \right|_{x=3}\implies -6$

3 0

4 years ago

Read 2 more answers

camryn mason obtained a $1,200 loan for her scuba diving lessons. She borrowed the money for six months at 7% interest. Her mont

SVEN [57.7K]

Answer:

3.4296913278%

Step-by-step explanation:

1200-204.10 =996.9

204.1

x 100% = 3.4296913278% Theres probably another way to do this and im pretty sure this is correct

8 0

3 years ago

PLZ HELP IWILL GIVE BRAINLIESTTT

liq [111]

Answer:

Choice B

A = b x h

Step-by-step explanation:

In other words the area of a parallelogram is the base times height

8 0

3 years ago

Please help with this

valina [46]

Answer:

the answer is A. 99 degrees because 81 + 18 = 99

7 0

3 years ago

Read 2 more answers