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Anon25 [30]
3 years ago
6

5. a) If a = 3 and b

Mathematics
1 answer:
kobusy [5.1K]3 years ago
5 0

Answer:

Is and suppose to be plus

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Verify the identity:<br><br> cos(a+B)/cos a sin B = cot B -tan a
alexgriva [62]
Cos( A + B ) = cosAcosB - sinAsinB ;
cos( A + B ) / ( cosAsinB ) = ( cosAcosB - sinAsinB ) / ( cosAsinB ) = ( cosAcosB ) / ( cosAsinB ) - ( sinAsinB ) / ( cosAsinB ) = cosB / sinB - sinA / cosA = cotB - tanA ;
5 0
3 years ago
Margaret is planning a wedding reception. She wants to spend less than her budget of $5,748, and Margaret has already spent $2,4
noname [10]

Answer:

She can invite 109 guests and be right on top of budget. If she wants to spend less than her budget though she can only invite 108 people.

Step-by-step explanation:

First you have to subtract 5,748 - 2,478 which is 3270. Next you have to divide 3270 by 30 because each person costs 30 dollars. 3270 divided by 30 is 109.

I hope this helps! Please mark me brainliest if I am correct! Have a nice day!

6 0
3 years ago
Find the surface area of the figure
saveliy_v [14]

Answer:

36 in over 2

Step-by-step explanation:

4 0
2 years ago
If x2 + y2=6 , xy = 5 , then (X + y)2? <br><br><br><br>​
VARVARA [1.3K]

Answer:

(x + y)² =16

Step-by-step explanation:

hello :

(x + y)² = x²+y²+2xy   and : x²+y² = 6     xy = 5

(x + y)² = 6+2(5)

(x + y)² =16    

3 0
2 years ago
Find the volume of the prism.
zubka84 [21]

Answer:

b I do believe good luck with the answer

4 0
3 years ago
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