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Tresset [83]
3 years ago
13

I have no clue how to do any of these problems so if anyone knows any an explanation would be nice.

Mathematics
1 answer:
Sever21 [200]3 years ago
7 0
#1).  The length of the whole circumference is (π · D) = 12π .

         120° is 1/3 of 360°, so arc-AB is 1/3 of the whole circumference.

#2).  60° is 1/6 of 360°.
         So arc-CD is 1/6 of the whole circumference (which is given).

#3).  The circumference of the circle is (π·D) = 20π .

         70° is (70°/360°) of the whole circle, so arc-XY
         is  (70/360) of the whole circumference.

#4).  Sorry, I don't remember anything right now about
         angles between chords. 
         I hope what I've given you so far is worth 5 points.
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Some one help me before I fail this class.
hichkok12 [17]

35 because you can not multiply both numbers by the same number to get a smaller Greatest common multiple

4 0
3 years ago
I need help in this.
r-ruslan [8.4K]
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3 years ago
Can someone please give me examples of linear, quadratic, Absolute value, square root, cubic, cube root, exponential, logarithmi
Nady [450]

Answer:

Step-by-step explanation:

Consider the cube root parent function.

( graph in photo below )

Complete the statements to make them true.

A cube root function will ( 1 ) ________ have an x-intercept and ( 2 ) ________ have a y-intercept.

For the parent cube root function, ( 3 ) ____________ located at .

Answer:

1. always

2. always

3. both intercepts are

the explination photos below

6 0
2 years ago
Read 2 more answers
Lim<br> t—&gt;0 1-cos(2t) / sin^2 (11t)
Nitella [24]

Answer:

2/121

Step-by-step explanation:

Hello,

Hôpital's rule will help here.

\forall t \in \mathbb{R}^*\\\\f(t)=1-cos(2t)\text{  *** f is differentiable}\\f'(t)=2sin(2t)\\f''(t)=4cost(2t)\\f''(0)=4 \\ \\g(t)=sin^2(11t)\text{  *** g is differentiable}\\g'(t)=2sin(11t)\times 11 \times cos(11t)=2\times 11 sin(11t)cos(11t)\\\\g''(t)=2\times 11 (11cos^2(11t)-11sin^2(11t))\\g''(0)=2\times 11^2

So the limit is 4/(2*121)=2/121

Thanks

6 0
3 years ago
A soda company has determined that it's profit during lunch on a given day
DENIUS [597]

9514 1404 393

Answer:

  15 sodas will give a maximum profit of 83

Step-by-step explanation:

For quadratic ax^2 +bx +c, the maximum occurs at x = -b/(2a). Here, we have ...

  a = -1/3, b = 10

  x = -b/(2a) = -10/(2(-1/3)) = 15

The profit for sale of 15 sodas is ...

  P(15) = (-1/3s +10)s +8 = (-1/3(15) +10)(15) +8 = 5(15) +8 = 83

The company would earn a maximum of 83 from sale of 15 sodas.

4 0
2 years ago
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