Answers
Step-by-step explanation:
(i)
Using cos(a - b) = cos a cos b + sin a sin b
[tex]\frac{4}{5}[/tex] = cos a cos b + [tex]\frac{1}{5}[/tex]
cos a cos b = [tex]\frac{4}{5} -\frac{1}{5} = \frac{3}{5}[/tex]
(ii)
Using cos(a + b) = cos a cos b - sin a sin b
cos(a + b) = [tex]\frac{3}{5}-\frac{1}{5}=\frac{2}{5}[/tex]
(iii)
Using cot a = [tex]\frac{cos a}{sin a}[/tex]
[tex]=(\frac{cos A}{sin A} )(\frac{cos B}{sin B} )[/tex]
[tex]=\frac{cos A cos B}{sin A sin B}[/tex]
[tex]=\frac{\frac{3}{5} }{\frac{1}{5} }[/tex] [tex]=\frac{3}{5}[/tex] × [tex]5[/tex]
= 3
please give me a brainliest answer
Related Questions
which of these numbers has both 2 and 5 as factors? A. 205 B. 502 C. 250 D. 202
Answers
Answer:
10=20. divisible by 2 (2,5 = 10) both of the factor are prime
Step-by-step explanation:
BIG BRAIN
can you plz help.me this to find plz plz
Answers
Sums are incorrect
[tex]\\ \sf\longmapsto 3a+b-(6b-2)[/tex]
[tex]\\ \sf\longmapsto 3a+b-6b+2[/tex]
[tex]\\ \sf\longmapsto 3a-5b+2[/tex]
Help me with this pls!!!
Answers
Answer:
B) $1.25
Step-by-step explanation:
1. First, let's take two points. In this case, we're going to take (4,5) and (8,10). We took 2 points, so we can verify the unit rate/cost per pound of pineapple.
2. To find the cost per pound of pineapple, we have to divide the cost (the y-coordinates) by the pound (x-coordinates)
5 ÷ 4 = 1.2510 ÷ 8 = 1.253. Now, since we can verify with 2 coordinates that the cost per pound is $1.25, the answer is B) $1.25.
[tex]\bf \cfrac{5}{8}+\cfrac{3}{8}[/tex]
Answers
Answer:
The answer is 1
Step-by-step explanation:
Given the following functions, find the indicated values,
f(x)= 1 - 5x
(a) f(-4) (b) f(0) (C) f(5)
(a) f( – 4)=0
Answers
Answer:
Riley restoration rotators
in the the picture below, EG has a length of (4x-8) and AB has a length of 24
A 5
B 2
C 12
D 8
Answers
Answer:
C
Step-by-step explanation:
1. Add 4x +8
the awswer would be 12x
2. subtract the 12x from the lenght which is 24
then your and will be 12
Complete this division sentence. 9988 ÷ 23 =
Answers
Answer:
434 R2
Step-by-step explanation:
Hope this helps
Please help me thank you
Answers
Answer:
C. The product of 12 and √17
Step-by-step explanation:
Because it gives a number that isn't a repeating or terminating decimal.
I HAVE MORE PLS HELP IT’S DUE TOMORROW
Answers
Answer 1:
[tex]y = \frac{9}{5} - \frac{6x}{5}[/tex]
Answer 2:
[tex]y = 3 - \frac{8(x+7)}{7}[/tex]
Note:
User stated an explanation was not needed.
order the numbers from least to greatest
Answers
Answer:
can you give me points ??
can someone help me solve this Y= q-k/n for q
Answers
Answer:
q=y + K/n
Step-by-step explanation:
which expressions represent 94 increased by twice a number
Answers
Answer:
2x+94
Step-by-step explanation:
because 2x means 2×x +94
x= unknown number
+=increase
Figure D is the result of transforming Figure C.
1. What transformation would accomplish this?
Answers
Please help, thank you!
Answers
which of the following inequalities is graphed above?
Answers
Answer:
1st option
y=-3/8x+3
Gabriella answered 72 questions correctly on her multiple choice history final and earned a grade of 36%. How many total questions were on the final exam?
Answers
Answer:
There were 200 Questions on the Final.
Step-by-step explanation:
At a movie theater, there were 7 kids
for every 2 adults. If kids tickets cost $5
and adult tickets cost $8, how much
money did the theater make if there
were 54 people in the theater?
Answers
Answer:
$306
Step-by-step explanation:
Adult cost = no of adult × adult cost
no of adult = 12
adult tickets cost = $8
= 12 x $8
= $96
kids cost = no of kids x kids tickets cost
no of kids = 42
kids tickets cost = $5
= 42 x $5
= $210
total sales for the theatre =$96 +$210
= $306
Determine whether the graphs of the given equations are parallel, perpendicular, or neither.
y=−4
y=8
Choose the correct answer below.
A.
Parallel
B.
Neither
C.
Perpendicular
Answers
$200 is divided in the ratio 6: 4, What is the smaller part?
Answers
Answer:
Step-by-step explanation:
first put 6:4
6 is 3 by 2
4 is 2 by 2
the 2 in 4 and 6 is gone
so we will have in the 6 3 left and in the 4 2 left
so what is 3 by 2
Find the difference in 14 5/10 - 12 9/10 please
Answers
Answer:
1 3/5
Step-by-step explanation:
14 5/10 - 12 9/10
I like to line them up vertically
14 5/10
- 12 9/10
-----------------
We need to borrow from the 14. 14 becomes 13 and the 1 becomes 10/10
13 10/10+5/10
- 12 9/10
-----------------
13 15/10
- 12 9/10
-----------------
1 6/10
Simplify
1 3/5
g(x) = 3x-1
f(x) = x + 5.
find g (f (4)
Answers
Answer:
g(x)=3
Step-by-step explanation:
Answer:
26
Step-by-step explanation:
g(x) = 3x-1
f(x)= x+5
g(f(4)
plug 4 into f
f(4)
now apply x+5
f(4)=4+5=9
plug 9 into g
g(9)
now apply 3x-1
g(9)=3(9)-1
3 ×9= 27
27-1=26
hence the answer is 26
(sorry if I'm wrong I just finished this topic myself)
What is the equation of the line that passes through the point (-6, -7) and has a slope of 0
Answers
Answer:
x = - 6
Step-by-step explanation:
A line with a slope of zero is a horizontal line parallel to the x- axis with equation
x = c ( where c is the value of the x- coordinates the line passes through )
The line passes through (- 6, - 7 ) with x- coordinate - 6 , then
x = - 6 ← equation of line
Please tell me the answer up to e no.
Answers
(I think you need a-e, if not let me know and I will edit accordingly)
a: Divide both sides by 4
cm -> 12:8
3:2
b: Convert and divide both sides by 3
cm -> 150:9
50:3
c: Convert and divide both sides by 20
cm -> 100:80
5:4
d: Convert and divide both sides by 4
months -> 4:12
1:3
e: Convert and divide both sides by 250
g -> 2000:250
8:1
Hope this helps, have a nice day :)
A city has 1,242 law enforcement officers in the police department. If the officers are divided equally into 18 groups, how many officers will be in each group?
Answers
Answer:
69
Step-by-step explanation:
1,242 ÷ 18 = 69
Since the problem says divided equally, you will need to divide the total number of officers into 18 groups.
-kiniwih426
Members per group:-
[tex]\\ \sf\longmapsto \dfrac{1242}{18}[/tex]
[tex]\\ \sf\longmapsto 69[/tex]
a basketball player makes 140 out of 350 free throws. find the percent by using equivalent fractions
Answers
Answer:
140/350 = 14/35 = 2/5 = 40/100 = 40%
Step-by-step explanation:
I hope this helps
<3
Asia is a chef in a restaurant. To prepare for dinner service, she chops
onions in
of an hour. What is Asia's rate of chopping in onions per hour?
Answers
Answer:
135 onions
Step-by-step explanation:
bc
7 1/2 = 15/2
15/2 x 3 = 45/2
45/2 = 22.5
bc its only 1 of 6 pieces, you have to multiply 22.5 by 6
22.6 x 6 = 135
Need Help Now Do not Wait need help with all will give 20 points!!!!!!!!!!!!!!
Answers
Step-by-step explanation:
the equation of the line simplify your answer type using integers are fraction indication points are the graph this is that what is the answer is
need help!! I would give you brainliest if it is correct <3
Answers
Answer: No
Step-by-step explanation:
Answer the following questions.
Questions
What is an amount between $2 and $10? (A) ____8______
What is an amount between $10 and $20? (B) ________10__
What is an amount greater than $50? (C) _____55_____
What is your name? (D) ___mikiaa____________
What is the name of an item that you will buy only once? (E) _____fish eggs____________
What is the name of an item that you will buy more than once? (F) ______snacks___________
Write an inequality of the form Ax + B ≤ C to represent the word problem using your answers for A, B, and C. Solve the inequality and show your work.
Graph the solution to your inequality on a number line or describe, in words, how to graph the inequality on a number line.
Explain what the solution means in the context of the word problem.
Answers
The question is an illustration of inequalities and mathematical operations
The amount between $2 and $10 is $8
The amount between $10 and $20 is $10
$100 is greater than $50
(a) Amount between $2 and $10.
The amount is calculated as:
Hence, the amount between $2 and $10 is $8
(b) Amount between $10 and $20.
The amount is calculated as:
Hence, the amount between $10 and $20 is $10
(c) Amount greater than $50.
An amount greater than $50 is an amount that have an higher value.
Take for instance: $100
$100 is greater than $50, because it has a higher value.
There is no enough information to solve the other questions
Read more about inequalities and mathematical operations at:
brainly.com/question/19003099
Find the elapsed time of 8:45AM to 1:10 PM
Answers
Answer:
the answer would be 11 hours and 25 minutes
Step-by-step explanation:
Answer:
4.42 hours
The reason why is by adding, 8:45 can round up to 9, and 1:10 can round down to 1, this make it simpler. 8:45+15 1:10-10
9AM to 1PM
9AM+3=12PM, add 1 and you get 1 pm=4 hrs, add 15+10, and you get somewhere close to it.