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
rosijanka [135]
3 years ago
14

Use ΔABC to find the value of cos B A) 12/13 B) 12/5 C) 5/13 D) 5/12

Mathematics
1 answer:
Ivanshal [37]3 years ago
7 0

Answer:

  C)  5/13

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you that the cosine ratio is ...

  Cos = Adjacent/Hypotenuse

For the given problem, this means ...

  cos(B) = BC/BA = 15/39

  cos(B) = 5/13

You might be interested in
What is the explicit formula for this sequence?
Zarrin [17]

Step-by-step explanation:

The above sequence is a geometric sequence

For an nth term in a geometric sequence

a(n) = a ({r})^{n - 1}

where

n is the number of terms

a is the first term

r is the common ratio

From the question

a = 5

r = 10/5 = 2

Therefore the explicit formula for this sequence is

a(n) = 5( {2})^{n - 1}

Hope this helps you

8 0
3 years ago
Find the difference of 16 5/8 and 12 9/12.
yawa3891 [41]
First find the least common denominator (8), and then subtract. After subtracting you should get 31/8, which as a decimal is 3.875 and as a mixed number is 3 7/8.
3 0
2 years ago
Fill in the missing number to complete the factorization:
IrinaVladis [17]
The last terms must multiply to the last terms (confusing)

example

if ax^3+bx^2+c+d=(ex+f)(gx+h)(jx+k) then
d=fhk


so


70 is last term
we got 2 and 5
2*5*?=70
10*?=70
divide by 10
?=7

the missing number is 7
6 0
3 years ago
PLEASE HELP MEEE ASAP
lys-0071 [83]

Step-by-step explanation:

first of all, g(x) has only negative functional result values (y) except for 0.

and a square is always positive.

so, the only possible right answers are the ones that include a minus ("-") sign.

the graph shows us that g(x) goes through the points (1, -3) and (-1, -3).

so, which equation turns an x = 1 into an y = -3 ?

therefore, the right answer must be D.

g(x) = -3x²

it works for both points :

-3 = -3×1² = -3 correct

-3 = -3×(-1)² = -3×1 = -3 correct

8 0
3 years ago
A 300 kg dragster accelerates from the rest to the final speed of 120 m/s in 400 m (about a quarter of a mile) and encounters an
Sauron [17]
I don't know about horsepower but I know power.
Power output=(force*distance)/time
=(1200N*400m)/7.3s
=65 753.42466W (watts)
6 0
3 years ago
Other questions:
  • Trilobites to concert tickets from her friend she pays $90 for the two tickets she looks at the tickets and see that each ticket
    15·1 answer
  • A line from the top of a cliff to the ground passes just over the top of a pole 6.0 ft. high and meets the ground at a point 7.0
    10·1 answer
  • Given: 3x+52=13<br> Prove: x = 7<br> write a two column proof
    10·1 answer
  • Simplify 6c + 4d -c +7d
    5·1 answer
  • What is the slope of a line that is perpendicular to the line shown?
    10·1 answer
  • It costs $19.50 for postage and $5 for insurance to send a one-pound box by Express Mail.
    10·1 answer
  • Mr. Hernandez plotted the point (1, 1) on Han’s graph of y ≤ x + 2. He instructed Han to add a second inequality to the graph th
    13·2 answers
  • Vince bought 6 boxes of worms to use as bait while fishing with his friends. If each person uses exactly 3/8 of a box of worms,
    12·1 answer
  • 4+ (11-3)<br> What’s the answer
    5·2 answers
  • Need help on how to use percent box<br> 20% of 25
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!