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soldier1979 [14.2K]
3 years ago
15

What is the measure of angle efg? a. 70 degrees b. 90 degrees c. 100 degrees d. 130 degrees

Mathematics
1 answer:
lana [24]3 years ago
4 0
We need the format to answer the question. what does it look like?

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How much tip should you leave if you want to tip 25% at PF Chang on a $37.99 bill ??​
Naddik [55]

Answer:

Step-by-step explanation:

37.99 * 25%= 9.497 or $9.50 tip

3 0
3 years ago
(1 point) Suppose F⃗ (x,y)=⟨2y,−sin(y)⟩ and C is the circle of radius 3 centered at the origin oriented counterclockwise. (a) Fi
g100num [7]

Answer:

The required vector parametric equation is given as:

r(t) = <3cost, 3sint>

For 0 ≤ t ≤ 2π

Step-by-step explanation:

Given that

f(x, y) = <2y, -sin(y)>

Since C is a cirlce centered at the origin (0, 0), with radius r = 3, it takes the form

(x - 0)² + (y - 0)² = r²

Which is

x² + y² = 9

Because

cos²β + sin²β = 1

and we want to find a vector parametric equations r(t) for the circle C that starts at the point (3, 0), we can write

x = 3cosβ

y = 3sinβ

So that

x² + y² = 3²cos²β + 3²sin²β

= 9(cos²β + sin²β) = 9

That is

x² + y² = 9

The vector parametric equation r(t) is therefore given as

r(t) = <x(t), y(t)>

= <3cost, 3sint>

For 0 ≤ t ≤ 2π

8 0
3 years ago
scenario a: get $2,000 deposited into your bank account today, and $50 added each month for a year? make a f(×) function pls​
Dennis_Churaev [7]
Mathematics I hate mathematics
7 0
3 years ago
. How do these two processes, finding the expected value of a discrete random variable and finding the dot product
kozerog [31]

Answer:

We can conclude that on this case we have identical processes but excersise 17 use another way to present the probability distribution and as we can see the expected value can be viewed as a dot product of two vectors with one vector containing the outcomes and the other the probabilities for each possible outcome.

Step-by-step explanation:

Assuming this previous info:

Exercise 17. Suppose that we convert the table on the previous page displaying the discrete distribution for the number of heads  occurring when two coins are flipped to two vectors.

Let vector

6 0
3 years ago
I need help with my homework I did it but it is wrong.​
il63 [147K]

Answer:

  • π= 3V/(4r³)

Step-by-step explanation:

<u>Solve for π</u>

  • V = 4/3πr³
  • 3/4V = πr³
  • 3V/(4r³) = π
  • π= 3V/(4r³)
3 0
3 years ago
Read 2 more answers
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