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Travka [436]
3 years ago
9

Give the proportion a/b = c/d Solve for c

Mathematics
1 answer:
dybincka [34]3 years ago
5 0

Answer:

the answer is c = (ad)/b

Step-by-step explanation:

See the picture

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Prove 2^n > n for all n equal to or greater than 1. I mostly need help with how to solve the problem when it is greater than
noname [10]
If n is an integer, you can use induction. First show the inequality holds for n=1. You have 2^1=2>1, which is true.

Now assume this holds in general for n=k, i.e. that 2^k>k. We want to prove the statement then must hold for n=k+1.

Because 2^k>k, you have

2^{k+1}=2\times2^k>2k

and this must be greater than k+1 for the statement to be true, so we require

2k>k+1

for k>1. Well this is obviously true, because solving the inequality gives 3k>1\implies k>\dfrac13. So you're done.

If you n is any real number, you can use derivatives to show that 2^n increases monotonically and faster than n.
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3 years ago
,Suppose that 80\%, percent of trees in a forest of 300 trees are infected with a virus, and we take an SRS of 5 trees to test f
Llana [10]

Answer: .0512

Step-by-step explanation:

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3 years ago
A right triangle has one side that measures 4 in. The angle opposite that side measures 80°. What is the length of the hypotenus
Sunny_sXe [5.5K]
Since you have an angle and at least one side you can use either sine, cosine or tan. For this question, you would use sine like above. Hope this helps!

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3 years ago
You buy some living room furniture: couch = $499.99, loveseat = $239.49, and rocker = $139.73. How much is your total purchase?
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8 0
3 years ago
Read 2 more answers
What expression is equivalent to 7sqrtx^2/5sqrty^3​
V125BC [204]

Answer:

Step-by-step explanation:

Sounds as tho' possible answer choices were listed.  Please, share them without being asked to do so.  Thank you.

 7√(x²)          7√(x²)

------------- = ----------------------

  5 √(y³)        5√( y^(3/2) )

We want to get the fractional exponent out of the denominator.  To do this, multiply both numerator and denominator by y^(1/2):

 7√(x²)          7√(x²)                y^(1/2)      7√(x²)·y^(1/2)       7x√y

------------- = --------------------- * ----------- = --------------------- = ----------

  5 √(y³)        5√( y^(3/2) )       y^(1/2)        5 √(y²)                  5y

This is the final answer.  We have succeeded in removing radicals / fractional exponents from the denominator.

3 0
3 years ago
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