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never [62]
3 years ago
13

Given 4sinB=3 sin(2A+B) To prove: 7cot(A+B)=cotA

Mathematics
1 answer:
4vir4ik [10]3 years ago
8 0

hope it helps.

ani thanks chai daa lai bhannu hai.

stay safe healthy and happy.

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The graph below shows the velocity f(t) of a runner during a certain time interval
Levart [38]
The last answer...
At time 0, the velocity is 6. 
When the velocity is 0, the time is 8
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Solve this function f(-4)= -3x+6
timama [110]

Answer:

Solve for f.

f(−4)=−3x+6

Step 1: Divide both sides by -4.

−4f/-4 = −3x+6/−4

f=3/4x + −3/2

Answer:

f= 3/4x + −3/2

7 0
4 years ago
Help help help help help
castortr0y [4]
First you need to factor the problems by using a couple of different methods, but the easiest could be the factor tree:

for example with 4-6a

you would put 4 = 2•2 so 2 is it’s GCF
and 6= 3•2 so 3 is it’s GCF

however the question is asking for the combined GCF (meaning the whole problem)

so 4-6a’s GCF would be 2 considering it is the only greatest common factor between BOTH numbers

for 12a^2 - 8a you would use the same method:

12a^2= 3a•2a•2 and 3a is it’s GCF
8a = 2•2•2a and 2a is it’s GCF

but combined, the greatest factor BOTH numbers have in common is 2a, so 2a is the answer!

i hope i helped you :)!❤️
7 0
4 years ago
Solve the simultaneous equations<br> 2x – 3y = 12<br> 3x + 4y = 1
Drupady [299]

Answer:

x=3 and y=−2

Step-by-step explanation:

Multiply the first equation by 4,and multiply the second equation by 3.

4(2x−3y=12)

3(3x+4y=1)

Becomes:

8x−12y=48

9x+12y=3

Add these equations to eliminate y:

17x=51

Then solve17x=51for x:

17x=51

17x

17

=

51

17

(Divide both sides by 17)

x=3

Now that we've found x let's plug it back in to solve for y.

Write down an original equation:

2x−3y=12

Substitute3forxin2x−3y=12:

(2)(3)−3y=12

−3y+6=12(Simplify both sides of the equation)

−3y+6+−6=12+−6(Add -6 to both sides)

−3y=6

−3y

−3

=

6

−3

(Divide both sides by -3)

y=−2

8 0
3 years ago
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Two cars started from a point and traveled in opposite directions; each
Stels [109]

\frac{6}{11}  -  \frac{ - 7}{11}

\frac{6 - ( - 7)}{11}

\frac{6 + 7}{11}

\frac{13}{11}

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