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Helen [10]
4 years ago
9

15 POINTS. solve for numbers 19 and 20 please and thank you

Mathematics
1 answer:
neonofarm [45]4 years ago
5 0
Here is the answer for question 19

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those are currency exchange rates 1 us dollar = 7.76 hk dollars 1 us dollar =1.47 nk dollars work out the value of 1000 hk dolla
Alik [6]

Answer: 1000 HK dollars has the same value as 188.15 NZ dollars.

Step-by-step explanation:

We know that:

1 US dollar = 7.76 HK dollars

1 US dollar = 1.46 NZ dollars.

We have 1000 HK dollars, and we want to know the value in NZ dollars.

First, let's rewrite the 1000 HK dollars in US dollars.

Here we use the relation:

1 US dollar = 7.76 HK dollars

Then:

1 = (1 US dollar/7.76 HK dollars)

Then we can write:

1000 HK = (1000 HK)*1 = (1000 HK)*( (1 US /7.76 HK ))

1000 HK = (1000 HK/7.76 HK)* 1 US = 128.87 US

1000 HK  = 128.87 US

Now we can use the relationship:

1 US =  1.46 NZ

Then:

1 = (1.46 NZ)/(1 US)

So we can rewrite:

128.87 US = (128.87 US)*1 = (128.87 US)*( (1.46 NZ)/(1 US))

128.87 US = (128.87 US/1 US)*1.46 NZ = 188.15 NZ

Then:

1000 HK = 128.87 US = 188.15 NZ

So we can conclude that 1000 HK dollars has the same value as 188.15 NZ dollars.

5 0
3 years ago
Which pattern follows the given rule? Rule: Start with 10 and then multiply each term by 3 to get the next term. A. 10, 13, 20,
Ghella [55]
B....is the correct one
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3 years ago
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A translation is applied to the rectangle formed by the points A(−2, 6) , B(2, 6) , C(2, 4) , and D(−2, 4) . The image is the re
solniwko [45]
The triangle was translated 3 units to the right horizontally. (x+3, y)
You can just move one of the points to see how it moved. 
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4 years ago
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type the correct answer in the Box. Use Roman numerals instead of words. The graphs of functions f and g are shown. Function g i
marysya [2.9K]

Answer:

  • k = 2

Step-by-step explanation:

<u>Take some reference points on the graph of f and g:</u>

  • f(2) = 1, g(2) = 2
  • f(4) = 2, g(4) = 4
  • f(8) = 4, g(8) = 8

<u>According to the numbers above we can state:</u>

  • g(x) = 2f(x)

So the value of k is 2

4 0
2 years ago
A ladder 13 feet long is leaning against a house.  The base of the ladder is pulled away from the wall at a rate of 2 feet per s
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I believe the answer is 10 feet per second?
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