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Ghella [55]
3 years ago
7

What is the answer to the math problem 3/8 of 6?

Mathematics
1 answer:
lawyer [7]3 years ago
3 0
2.25

Hope this helped
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A boat is 400 feet away from one dock and 500 feet away from the another dock. the angle between the paths is 45°. what is the a
FinnZ [79.3K]

Answer:

  • The approximate distance between the docks is 357 feet

Step-by-step explanation:

Let the distance between docks be d.

This is the opposite side to 45° angle of triangle with other sides 400 ft and 500 ft.

Use the law of cosines to find the value of d:

  • d = \sqrt{400^2+500^2-2*400*500*cos45} =357 (rounded)
8 0
2 years ago
Geometry Proofs (Parallelograms)
Reika [66]
Since measure REU equal measure SFT, RE=FT and SF=EU then the two triangles REU et SFT are similar. 
Then we deduce that the two sides RU and ST are equal, RU=ST. 
Also, since the two triangles above are similar, then the two angles FST and RUE are equal. We deduce that the two lines RU and ST are parallel (interior opposite angles principles.)
We have two facts now:
RU = ST and RU parallel to ST, we deduce that the quadrilateral is a parallelogram. 
5 0
3 years ago
BRAINLIEST ASAP! PLEASE HELP ME :)
jenyasd209 [6]
<h3>Answers:</h3><h3>There are four solutions and they are</h3>
  • \theta = 0
  • \theta = \pi
  • \theta = \frac{7\pi}{6} ... this says "7pi over 6"
  • \theta = \frac{11\pi}{6} ... this says "11pi over 6"

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

Work Shown:

\sin(\theta)+1 = \cos(2\theta)\\\\\sin(\theta)+1 = 1-2\sin^2(\theta)\\\\\sin(\theta)+1-1+2\sin^2(\theta)=0\\\\2\sin^2(\theta)+\sin(\theta)=0\\\\\sin(\theta)(2\sin(\theta)+1)=0\\\\\sin(\theta)=0 \ \text{ or } \ 2\sin(\theta)+1=0\\\\

----------

Solving \sin(\theta)=0 leads to \theta=n\pi for any integer n.

----------

Solving 2\sin(\theta)+1=0 leads to...

2\sin(\theta)+1=0\\\\2\sin(\theta)=-1\\\\\sin(\theta)=-\frac{1}{2}\\\\\theta=\arcsin\left(-\frac{1}{2}\right) \ \text{ or } \ \theta=\pi-\arcsin\left(-\frac{1}{2}\right)\\\\\theta=\frac{11}{6}\pi+2\pi n \ \text{ or } \ \theta=\pi-\frac{11}{6}\pi+2\pi n\\\\\theta=\frac{11}{6}\pi+2\pi n \ \text{ or } \ \theta=\frac{-5}{6}\pi+2\pi n\\\\\theta=\frac{11}{6}\pi+2\pi n \ \text{ or } \ \theta=\frac{7}{6}\pi+2\pi n\\\\

-----------

The general solution set is

\{\theta=n*\pi, \theta=\frac{11}{6}\pi+2\pi n, \theta=\frac{7}{6}\pi+2\pi n\}

Again, n is any integer.

Let's look at a table of values where we plug in various integers for n. See the attached image below. Note the stuff in the highlighted yellow cells represents expressions that are between 0 and 2pi = 6.28

Therefore the four solutions are \{0, \pi, \frac{7\pi}{6}, \frac{11\pi}{6}\} after we plug the proper values of n into the expressions, to have things match what the table shows.

6 0
3 years ago
Draw the graph y = 2x + 1<br><br>​
Vikentia [17]

Answer:

are there any other information

8 0
3 years ago
PLEASE HELP!!
VladimirAG [237]

Answer:

Sphere Volume = (4/3) * PI * radius^3

radius = cube root (Sphere Volume) / (4/3)*PI

radius = cube root (5,600) / (4/3)*PI

radius = 11.016 cm

radius = 11 cm (rounded)

Answer is B

Step-by-step explanation:

4 0
3 years ago
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