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Orlov [11]
2 years ago
14

Inflation and Interest Rates: Tutorial

Mathematics
2 answers:
valina [46]2 years ago
8 0

Answer:102.22

Step-by-step explanation:

Alex_Xolod [135]2 years ago
8 0

Answer:

2.22%

Step-by-step explanation:

Recall that year 1, the base year, has a CPI of 100.

From question 1, we know that the CPI of year 2 is 102.22.

To find the rate of inflation, find the percent change from year 1 to year 2:

102.22-100= 0.0222, or 2.22%

_________

    100

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Simplify without using the absolute value sign<br><br> | x- ( - 18) | if x &gt; - 18
slega [8]
The expression would be > 0.

Subtracting a negative is the same as adding a positive; therefore -18--18 = -18+18 = 0.  Since we know that x>-18, 0 is below anything we could get from this.
7 0
3 years ago
7th Grade Math (Please help me with this question I'm confused with this one)
Vlad [161]

Answer:

To subtract a number from another number, the sign of the number (which is to be subtracted) should be changed and then this number with the changed sign, should be added to the first number

Step-by-step explanation:

(i) Evaluate (+6) – (+2)

= (+6) + (-2) (charging the sign of the number to be subtracted and then adding)

On subtracting smaller number 2 from bigger number 6; we get 6 – 2 = 4

Since, the sign of bigger number is + (positive)

= +4 or 4

Therefore, (+6) – (+2) = 4

(ii) Evaluate (+5) – (-3)

= (+5) + (+3) (charging the sign of the number to be subtracted and then adding)

We know, to add a positive (+ ve) number to a positive (+ ve) number, the numbers should be added and positive sign should be attached to the sum obtained.

= +8

Therefore, (+5) – (-3) = 8

6 0
1 year ago
4.5, 3.25, 3.75, 3.25, 4.25, 3.5, 3.75, 4.25, 4.5, 2.5 <br><br> Whats the mean?
Alchen [17]

\frac{4.5 + 3.25 + 3.75 + 3.25 + 4.25 + 3.50 + 3.75 + 4.25 + 4.50 + 2.50}{10}  = 3.75
So; the answer is: 3.75
5 0
3 years ago
What does Sin mean in geometry
Darya [45]

Answer:

in mathematics, the sine is a trigonometric function of an angle.

Step-by-step explanation:

The sine of an acute angle is defined in the context of a right triangle: for the specified angle, it is the ratio of the length of the side that is opposite that angle to the length of the longest side of the triangle (the hypotenuse).

Fixed point: 0

Critical point: kπ + π/2

Inflection point: kπ                                                                                                             hope this helps you :)

4 0
3 years ago
Read 2 more answers
Can someone help me please
iris [78.8K]

Answer:

"I can find the maximum or minimum by looking at the factored expression of a quadratic function by reading off its roots and taking the arithmetic average of them to obtain the x-coordinate of the quadratic function, and then substituting that value into the function."

Step-by-step explanation:

Because of the symmetry of quadratics (which is the case here because we have two factors of degree 1, so we are dealing with a <em>polynomial</em> of degree 2, which is a fancy way of saying that something is a quadratic), the x-coordinate of the extremum (a fancy way of saying maximum or minimum) is the (arithmetic) average of the two roots.

In the factored form of a quadratic function, we can immediately read the roots: 3 and 7. Another way to see that is to solve (x-3)(x-7)=0, which gives x-3=0 \vee x-7=0 (the 'V' stands for 'or'). We can take the average of the two roots to get the x-coordinate of the minimum point of the graph (which, in this case, is x=\frac{3+7}{2} = \frac{10}{2} = 5).

Having the x-coordinate of the extremum, we can substitute this value into the function to obtain the maximum or minimum point of the graph, because that will give the y-coordinate of the extremum.

6 0
3 years ago
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