1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
xeze [42]
2 years ago
12

Make cos C the subject of the formula C?= a? + b? - 2ab cos C

Mathematics
1 answer:
lara31 [8.8K]2 years ago
5 0
<h3>Answer:  Choice E</h3>

Work Shown:

c^2 = a^2 + b^2 - 2ab\cos(C)\\\\c^2 + 2ab\cos(C) = a^2 + b^2\\\\2ab\cos(C) = a^2 + b^2 - c^2\\\\\boldsymbol{\cos(C) = \frac{a^2 + b^2 - c^2}{2ab}}\\\\

You might be interested in
Ben’s garden supply store sells a gardening kit that normally costs $95. This week it is on sale for 35% off. How much does it c
gizmo_the_mogwai [7]
The gardening kit costs $33.25. Multiply $95 by 0.35.
3 0
2 years ago
Please answer this!!
balu736 [363]

Answer:

3,724 cubic inches

Step-by-step explanation:

All you have to do is multiply 19•14•14

5 0
2 years ago
What is the area of an equilateral triangle that has a perimeter of 36 centimeters? Round to the nearest square centimeter.
Vika [28.1K]

Answer:

(a is size of side of triangle)

the perimeter of equilateral triangle =3a

or, 36=3a

Thus, a = 13cm

area of equilateral triangle

=√3/4*(a^2 )

=√3/4*(13^2)

=73cm^2

5 0
2 years ago
Please help how to make an array for prime number of 19. and 13<br><br><br><br><br>​
topjm [15]

Answer:

Prime numbers are numbers that cannot be divided into further whole numbers. You cannot divide 19 and 13 because 13 and 19 are already prime numbers.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is the volume of a rectangular prism with a length of 2 inches, a width of an inch &amp; is a quarter of an inch in height?
irina1246 [14]

Answer:

Step-by-step explanation:

Right rectangular prism

Solve for volume

V=whl

l Length

2

Width

Height

6 0
2 years ago
Other questions:
  • Sketch the region of integration and convert the polar integral into cartesian integral or sum of cartesian integral. Don't eval
    14·1 answer
  • What is the square root of 149 rounded to the nearest tenth?
    13·2 answers
  • I don't get this at all
    6·1 answer
  • Zoe made 5 1/2 cups of trail mix. She wants to divide the mix into 3/4 cup servings. Ten people are going on the trip. Can Zoe m
    14·1 answer
  • Jorges printer can print out 48 pages in 0.5 hour. How many pages can he print in one hour?
    14·2 answers
  • Which statement describes this system of equations? 9x – 6y = 15, 3x – 2y = 5 The equations in the system are equivalent equatio
    15·2 answers
  • Find the surface area of this triangular prism! fast
    5·2 answers
  • my 4th time another hunnid points easy right cmon now Your weclome! Cmon dont be rude i just helped you why dont you do me a fav
    15·1 answer
  • If there are 1,760 yards in 1 mile, how many yards are in 2.5 miles?
    10·2 answers
  • Determine the area of the following circle
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!