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Leviafan [203]
3 years ago
11

If y = -6cosx, what is the amplitude?

Mathematics
1 answer:
aniked [119]3 years ago
8 0

 

\displaystyle\bf\\y=-6cos\,x\\\\\textbf{is equivalent to:}\\\\y=6cos(x+\pi)\\\\\textbf{where 6 is the maximum value or amplitude}\\\\\implies~~~\boxed{\bf~amplitude=6}

 

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Please Help!!!
DochEvi [55]

Sally earns per hour = $12

Sally works for in a week = 16 hours.

So, Sally earns in a week = 12\times16=192

Sally can save money each week= 20% of 192

\frac{20}{100}\times192=38.40

A. How much does she earn each week ? Sally earns $192 in a week.

B. How much money will she save each week? Sally will save $38.40 each week.

C. How much money will she save each month (assume there are 4.3 weeks in a month)

Savings of 1 week = $ 38.40

Savings of 4.3 weeks = 4.3\times38.40=165.12

Hence, she will save $165.12 in a month.

D. How many months will it take her to save the money?

Total money needed = $1800

Number of months needed to collect this amount =

\frac{1800}{165.12}=10.90

Hence, it will take 11 months approx to save $1800.



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3 years ago
A farmer plants apple, pear and cherry trees
gogolik [260]
? is there any more context to the question?
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In the expression 16x + 2x – 5y + 17, which terms are “like terms”?
Len [333]
The like terms are 16x and 2x
7 0
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Solve Please <br> 4+8/2(6-3)
Aleksandr-060686 [28]

Answer:

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Hope this helped

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7 0
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Read 2 more answers
A shop sells DVDs and CDs.
Vsevolod [243]

Answer:

Step-by-step explanation:

Lets Price of a DVD is fixed i.e. 15

and One CD price is 5 (Not fixed)

In First situation

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In Second situation

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Its mean CD price may be between 5 to 7.5

In asked scenario, Martin has 50

1 DVD and 3 CDs?

1 x 15 + 3 x 7.5 = 37.5

37.5 is lesser than 50

Hence Martin has enough to buy 1 DVD and 3 CDs.

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3 years ago
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