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padilas [110]
3 years ago
8

Meg trade Australian dollars for Mexican pesos at an exchange rate of one AU for 13 For Mexican pesos She gave exchanger a total

of 1800 Australian dollars and was charged a flat fee of AU$65 Approximately how many Mexican pesos did Johnny get
Mathematics
1 answer:
VashaNatasha [74]3 years ago
6 0

Answer:

22,555

Step-by-step explanation:

1,800 - 65 = 1,735

1,735 x 13 = 22,555

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How to take away a improper fraction
spin [16.1K]

Answer:

The rules for adding and subtracting improper fractions are the same as working with proper fractions. Step 1: Keep the denominator the same. Step 2: Add or subtract the numerators. Step 3: If the answer is an improper form, reduce the fraction into a mixed number.

Step-by-step explanation:

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3 years ago
A radioactive isotope has a half life of 4.51 days. If 12.63 grams are now present, how much will be left after 15
Marizza181 [45]

Answer:

Step-by-step explanation:

f=ir^t\\ \\ \frac{1}{2}=r^{4.51}\\ \\ ln(0.5)=4.51lnr\\ \\ r=e^{\frac{ln0.5}{4.51}}\\ \\ r\approx 0.8575\\ \\ f(15)=12.63(0.8575^{15}\\ \\ f(15)\approx 1.26g

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3 years ago
The attendence at a water park varies directly as the temperature and invesely as the number of days of rain during the month. I
Margarita [4]
Let A be attendance, t the temperature and n the number of days. Then,
A\alpha\frac{t}{n}
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3200=\frac{88k}{8}
3200=11k
k=\frac{3200}{11}
Rewriting the equation and replacing the value of k,
A=\frac{3200t}{11n}
When t=92 and n=12
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5 0
3 years ago
Which of the following best describes the graph shown below?
xeze [42]

Answer: the answer is C

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Please I need help <br> I will mark you brainliest
VladimirAG [237]

Answer:

you would subtract 7.4 from 7.4 and from 10.4 which leaves you with 1.25x=3 and then you would divide both side by 1.25 and that cancels out the 1.25 and leave you with 2.4 and you can plug 2.4 into x and it will equal 10.4

Step-by-step explanation:

7 0
3 years ago
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