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Ira Lisetskai [31]
4 years ago
14

Fill the blank ___sinb=(1)/(2)[sin(a+b)-sin(a-b)] There are no answer choices

Mathematics
1 answer:
Serga [27]4 years ago
5 0
Sin b=1/2
Sin(a+b)-sin(a-b)
Sina+Sinb-Sina+Sinb
2Sinb
2×1/2
=1
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Please help! thanks :)
Molodets [167]

Answer:

118%

Step-by-step explanation:

Cora's kitten weighed in the last visit to the veterinarian's office= 550 grams

Right now, Cora's kitten weighs = 1200 grams

Increase in the kitten's weight= 1200 - 550 = 650 grams

Percent increase in weight= 650/550 * 100

= 118.18% = 118%

Hence, there is 118% increase in kitten's weight.

7 0
3 years ago
Step 1: 4y − 2y − 4 = −1 + 13
d1i1m1o1n [39]
You didn't list the options
btw
the next step should be

(add 4 to both sides)
2y = 16
or
2y - 4 + 4 = 12 + 4 
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3 years ago
How do u write a ratio
Vsevolod [243]
You can write a ratio like this:
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4 0
4 years ago
What is 2x+4x7x-19x+7y+9x
s2008m [1.1K]

Answer: do the math, 39x

Step-by-step explanation:2+4=6 times 7=42-19=23+7=30+9=39x

6 0
3 years ago
Read 2 more answers
Write in detail how you have used math in the real-world to solve a problem.
neonofarm [45]

Answer:

I went shopping once for ingredients of a cake, but i didn't know what my finale price would be. So i estimated what the total cost could be, then i took all the prices and added them up then divided the price by how many ingredients i got to find the average and it was pretty close to my estimate. So math can help when you go shopping. (Sorry if how i find my prices is weird, i kinda just stand in one spot for at least 5 - 8 mins trying to find my price)

Step-by-step explanation:

3 0
3 years ago
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