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2 years ago

What is the place value of the 1 in the number 6.213

Mathematics

1 answer:

DochEvi [55]2 years ago

5 0

Answer:

The hundredths place

Expanation

6 is in the one's place

2 is in the theth's place

1 is in the hundredth's place

3 is in the thousandth's place

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Find f^(-1)for the function f(x)= (1)/(x+2)

Artyom0805 [142]

If $f(x)$ and $f^{-1}(x)$ are inverses of each other, then we have

$f\left(f^{-1}(x)\right) = x$

Since $f(x) = \frac1{x+2}$ , we have

$f\left(f^{-1}(x)\right) = \dfrac1{f^{-1}(x)+2} = x$

Solve for $f^{-1}(x)$ :

$\dfrac1{f^{-1}(x)+2} = x \\\\ 1 = x\left(f^{-1}(x)+2\right) \\\\ 1 = x f^{-1}(x) + 2x \\\\ x f^{-1}(x) = 1 - 2x \\\\ f^{-1}(x) = \dfrac{1-2x}x \\\\ \boxed{f^{-1}(x) = \dfrac1x - 2}$

(provided that x ≠ 0 and x ≠ -2)

3 0

3 years ago

Rewrite using a single positive exponent

fiasKO [112]

Step-by-step explanation:

$\frac{ {7}^{4} }{7} = {7}^{4 - 1} = {7}^{3}$

5 0

3 years ago

the present price of a car is 33750 every year the price decreased by 4% find the price of a car after 4 years

valentinak56 [21]

Answer: 28,665 currency units

Step-by-step explanation:

Find the value of the car after 4 years using the Future value formula:

= Amount * ( 1 + rate) ^ no. of years

= 33,750 * ( 1 + (-4%))⁴

= 33,750 * 0.84934656‬

= 28,665.45

= 28,665 currency units

4 0

3 years ago

Если x=6 то y= если y=-4 то x=

jok3333 [9.3K]

Step-by-step explanation:

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8 0

3 years ago

Read 2 more answers

In each of the following situations, data are obtained by conducting a research study. Classify each Experimental or Correlation

klio [65]

Answer:

1. Experimental

2. Correlational

3. Experimental.

Step-by-step explanation:

1. Experimental.

Researches are interested on finding the effects of music on a test.

2. Correlational

Researchers are interested on finding the correlation of the gender and cognition from different samples

3. Experimental

The Researcher wants to know the effects of bedroom light.

7 0

3 years ago