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
Tresset [83]
3 years ago
7

Factorize the following: cos²B + 5cosB - 6​

Mathematics
1 answer:
sp2606 [1]3 years ago
8 0

Answer:

(cosB-1)(cosB+6)

Step-by-step explanation:

use u substitution . u = cosB

u^2+5u-6

factor

(u-1)(u+6)

put cosB back in for u

(cosB-1)(cosB+6)

You might be interested in
PLEASE HELP! THIS IS FOR A UNIT!
AlexFokin [52]

Answer:

n_{1} =-3+2i\\\\n_{2} =-3-2i

Step-by-step explanation:

You can see the attached picture

7 0
4 years ago
Number 6 plz plz plz help
vagabundo [1.1K]

you could tell if it is even or odd by how many number are odd and how many are even...majority wins...

13 odd

45 odd

24 even

17 odd

hope i can help,and have a nice day!! :)

7 0
3 years ago
Read 2 more answers
a student athlete runs 3 1/2 miles in 30 minutes. A professional runner can run 1 1/4 times as far in 30 minutes. How far can th
tresset_1 [31]
3 1/2 * 1 1/4 =
7/2 * 5/4 =
35/8 = 4 3/8 miles <==
3 0
3 years ago
Read 2 more answers
Solve 18n - 7p-15n = 5p for n.<br> A n = 1<br> B. n=2p<br> C. n = 1/2<br> D. n=4p
andrey2020 [161]

Answer:

<h3>The answer is option D</h3>

Step-by-step explanation:

18n - 7p-15n = 5p

To solve for n first make n the subject

Group like terms

That's

18n - 15n = 5p + 7p

Simplify

3n = 12p

Divide both sides by 3 to make n stand alone

That's

3n/3 = 12p/3

We have the final answer as

<h2>n = 4p</h2>

Hope this helps you

5 0
4 years ago
Read 2 more answers
Im dum but please help me<br>​
lara31 [8.8K]

Answer:

336

Step-by-step explanation:

area = 1/2 * (a + b) * h

8 0
3 years ago
Read 2 more answers
Other questions:
  • What is the slope of the line in the graph?<br> A. -4/3<br> B. -3/4<br> C. 3/4<br> D. 4/3
    8·1 answer
  • Solve the following equations<br> 2a + 5 = 9a – 16
    11·2 answers
  • Callie evaluated the expression using the steps shown below.
    11·2 answers
  • How does Mr. Peters get to ask for three wishes?
    10·1 answer
  • Please help im getting frustrated with these
    7·1 answer
  • Graham makes $62,800 per year. He has individual health care, which is $52 per month. His yearly contribution is 10% of the tota
    7·1 answer
  • ...what are consecutive multiples ​
    7·1 answer
  • Must include explanation !!
    8·1 answer
  • School A rented and filled 5 vans and 9 buses with 499 students. School B rented and filled 10 vans and 9 buses with 539 student
    6·1 answer
  • 9. x + 5y = 0
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!