1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
KiRa [710]
3 years ago
10

The cost to visit a famous tourist attraction in Russia is 442.25 Rubles. What is the cost in USD if the exchange rate is 3 USD

= 91.5 Rubles? The cost of the attraction is $ .
Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
6 0

Answer:

$14.5

Step-by-step explanation:

Given data

Cost for the visit=442.25 Rubles

exchange rate

3 USD= 91.5 Rubles

but 1 USD= 91.5/3

=  30.5

Therefore if 1 USD is 30.5 Rubles

         Then   xUSD is  442.25 Rubles

cross multiply

30.5x= 442.25

divide both sides by 30.5

x= 442.25/30.5

x=14.5USD

The cost of the attraction is $14.5

You might be interested in
The function g has an inverse. The function g − 1 determines the number of folds needed to give the folded paper a thickness of
Amanda [17]

Answer:

\mathbf{g^{-1} (t) = log _2  \ 20 \ t}

Step-by-step explanation:

Here is the full question

A standard piece of paper is 0.05 mm thick. Let's imagine taking a piece of paper and folding the paper in half multiple times. We'll assume we can make "perfect folds," where each fold makes the folded paper exactly twice as thick as before - and we can make as many folds as we want.

Write a function g that determines the thickness of the folded paper (in mm) in terms of the number folds made, n. (Notice that g(0) 0.05,)

g(n )= (05)2^n

The function g has an inverse. The function g⁻¹ determines the number of folds needed to give the folded paper a thickness of t mm. Write a function formula for g⁻¹).

<u>SOLUTION:</u>

If we represent g(n) with  t;

Then

\mathbf{t = (0.05)2^n} \\ \\ \mathbf{\dfrac{t}{0.05} = 2^n} \\ \\ \mathbf{\dfrac {100 \ t }{ 5} = 2^n} \\  \\ \mathbf{20 t = 2^n}

Taking logarithm of both sides; we have :

\mathbf{log (20 t) = n log 2}    \ \ \    \mathbf{(since  \ ,  log  \ a^b = b \ log \ a) }  \\ \\ \mathbf{n =  \dfrac{log \ 20 t }{log \ 2 }} \\ \\ \mathbf{g^{-1} (t) =  \dfrac{log \ 20 t }{log \ 2 }} \\ \\ \mathbf{g^{-1} (t) = log _2  \ 20 \ t}

4 0
3 years ago
If you flip a coin and pick a number tile from a bag of beans containing 4 different numbered beans at the same time, how many p
Harman [31]

Answer:

a

Step-by-step explanation:

4 0
3 years ago
How do you find the area of a square
Lubov Fominskaja [6]

Answer:

width times length

Step-by-step explanation:


7 0
3 years ago
How do you write 39/50 as a percentage?
Allushta [10]
We can convert the fraction to a denominator of 100, since percents are parts of 100.

39 * 2 = 78
50 * 2 = 100

So we have 78/100 or 78%
4 0
3 years ago
Read 2 more answers
Select the correct answer.
Ghella [55]

Answer:x-5

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Other questions:
  • (What does this mean?) \"Use a graphing utility\" to graph the equation and find the x- and y-intercepts?
    8·1 answer
  • Write an equation that represents each mixed number as a sum of whole numbers and unit fractions. 1/ 5/6
    15·1 answer
  • What is the greatest value of the data represented by the box plot?
    15·2 answers
  • Find the value of a -8 when a =18
    13·1 answer
  • Solve the distance from point A to point B. Round you answer to the nearest tenth. A(5,4) and B(-4,-3)
    7·1 answer
  • 2loga + 4logb - logc - 3logd
    14·2 answers
  • ogether Brianna and Hushley saved $336 for their trip to France. Hushley saved $120 more than Brianna. How much money did Briann
    11·1 answer
  • Please help!! i don’t know how to do this please help asap.
    15·1 answer
  • BRAINLY + 50 POINTS
    7·1 answer
  • Please help I’ve been trying to do this for hours
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!