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2 years ago

When did the U.S dollar become part of a total fiat system

2 answers:

lina2011 [118]2 years ago

8 0

1971, Richard Nixon officially took the U.S. off of the gold standard by canceling a policy that allowed other countries to convert dollars into gold. At that point, the U.S. dollar officially became a fiat currency

VladimirAG [237]2 years ago

4 0

I believe in the 20th century, if you need an exact date reply with yes!

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In parallelogram RSTU, what is SU?

serious [3.7K]

Because S and U are the opposite vertices of the parallelogram RSTU,
so SU is a diagonal of this parallelogram.

5 0

3 years ago

If on the unit circle C , the distance from P (1, 0) to the point T ( 5/13, 12/13 ) is x , determine the coordinates of the poin

Lorico [155]

Answer:

T' $(\frac{5}{13},- \frac{12}{13})$

Step-by-step explanation:

See the diagram attached.

This is a unit circle having a radius (r) = 1 unit.

So, the length of the circumference of the circle will be 2πr = 2π units.

Now, the point on the circle at a distance of x along the arc from P is T $(\frac{5}{13},\frac{12}{13})$ .

Therefore, the point on the circle at a distance of 2π - x along the arc from P will be T' $(\frac{5}{13},- \frac{12}{13})$ , where, T' is the image of point T, when reflected over the x-axis. (Answer)

6 0

2 years ago

QUESTION 1 The Senator of Azenator State, is worried about the rising numbers in high blood pressure related deaths in his Juris

Solnce55 [7]

Answera and Step-by-step explanation: Correlation Coefficient is the measure of how strong two variables are. There are numerous types of correlation coefficients and the product moment correlation coefficient, also known as Pearson's correlation or Pearson's R is most commonly used in linear regression. The formula to calculate it is:

r = n(∑xy) - (∑x)(∑y) / √[∑x² - (∑x)²].[n∑y² - (∑y)²]

To find the value of R:

1) Separate the values of X and Y and out them in 2 columns.

2) Add 3 more columns: for xy, x² and y²;

3) Find the values of each column;

4) Add each column;

5) Put the sum of each column in its place on the formula above;

6) Find the correlation.

i) For this question, r = 0.9645. As it's positive, means that the two variables are directly linked, i.e., an increase in one variable will produce an increase in the other variable in the same proportion.

ii) The Senator should distribute Norvasc to the old adults groups, because, as the population grows, the death associated with high blood pressure will also grow, as explained by the correlation coefficient.

7 0

2 years ago

A gym charges $25 per month plus extra four dollars to swim in a pool for an hour if a member only has $45 to spend each month a

NeTakaya

Answer:

5 hours

Step-by-step explanation:

So the set fee is 25. 45-25 = 20. Now, 4 dollars an hour. 20/4 = 5, so 5 hours

8 0

2 years ago

25% of the time there is free breakfast at work. You just woke up and are really hungry, so you call your coworker who is alread

Mice21 [21]

Answer:

0.17

Step-by-step explanation:

The number of times there is free Breakfast at work = 25%

The number of times the coworker lies = 1/3

The number of times the coworker speaks truth = 2/3

How likely is it that there is free breakfast at work today:

For this to happen both conditions must be satisfied. There must be free breakfast at work AND the coworker has also spoken truth. Now in this condition we will use the AND rule of Probability where we will take the Product of both the probabilities.

Result = 0.25 x 0.67 = 0.17

5 0

3 years ago

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