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
zlopas [31]
3 years ago
11

Calculate the exact value of cos(a−b) given that sin a=12/13 with π/2

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
8 0

Answer:

Step-by-step explanation:

sin ~a=\frac{12}{13} ,\frac{\pi}{2}

You might be interested in
I'LL GIVE BRAINLIEST ANSWER TO CORRECT ANSWER
inn [45]
15*(x+20)+26*x = 3115
8 0
3 years ago
Is -6.743743… a rational or irrational number?
yaroslaw [1]

It's rational because it contains a repeating digit pattern, 743 (first option).

In particular, if

<em>x</em> = -6.743743…,

then

1000<em>x</em> = -6,743.743743… .

Subtracting, we can eliminate the trailing end and solve for <em>x</em> exactly:

1000<em>x</em> - <em>x</em> = -6,743.743743… - (-6.743743…)

999<em>x</em> = -6,737

<em>x</em> = -6,737/999

8 0
3 years ago
TROLLS WILL BE REPORTED. <br><br><br> please help. Image up top.
Nana76 [90]

Answer:

0

Step-by-step explanation:

The priced was decreased by $300. So it starts at -$300. Then additional features is $900. So it's now $600. But the dealer took -$600 off. So now it is $0 from the original price.

7 0
3 years ago
Solve to find the value of x.
Tresset [83]

Answer:

x=12

Step-by-step explanation:

We know that a right angle is 90 degrees. So we can make the equation 35+4x+7=90. Now, we can solve fore X! We can combine 35 and 7 to make the equation 4x+42=90. In order to isolate x we have to subtract 42 from both sides, getting us the equation 4x=48. Now, in order to isolate x we must divide each side by 4, getting us the equation 12=x.  To prove that x=12, we can subsitute x for 12.  This means that we can do 35+4(12)+7=90. Or, 35+48+7 =90, which simplified, is 90=90, making x=12 true. Hope this helps :)

6 0
2 years ago
URGENT!!!! WILL GIVE BRANLIEST !!! AT LEAST TAKE A LOOK!!!!!!
Fofino [41]

Answer:

A. 12.6 ft

Step-by-step explanation:

Using sin because of opposite over hypotenuse, you can find x.

sin(52) = x/16

16sin(52) = x

<em>Plug it into your calc.</em>

x = 12.6082

And you have your final answer.

8 0
3 years ago
Other questions:
  • Multiply out and simplify the expression (n+1)^2-(n+1)+1​
    14·2 answers
  • NEED HELP ASAP!!!!!!
    11·1 answer
  • Help fgyugyruyvuryfryvseycfyrbseutgbvheryyyaduiik
    9·1 answer
  • Need help ASAP!!<br><br><br>1. (picture)<br><br><br>2. (also picture)
    7·1 answer
  • Jason wants to fill a cylindrical water tank to its full capacity. He knows that the volume of the tank is equal to the product
    8·2 answers
  • 20. Solve the equation. Show your work. 45 = 3b + 69
    6·1 answer
  • The physical plant at the main campus of a large state university recieves daily requests to replace fluorescent lightbulbs. The
    5·1 answer
  • Kate has an interior decorating business. She charges a base fee of $25 for each visit and $40 per hour for her labor. 1) Write
    15·1 answer
  • Write a tbh about me ;)<br><br> p.s. love u guys
    15·1 answer
  • What is the distance between these points: (3,-16) and (-10,-12)
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!