Simplify each complex fraction. Show all work please
$simplify each complex fraction. Show all work please - 1$

Answers

Answer 1

Answer: invert an multiply

(a/b)/(c/d)=(a/b)(d/c)=(ad)/(bc)

1..
(4x/45)/(12x/25)=(4x/45)(25/12x)=(100x)/(540x)=5/27

2.
(x/9)/(3x/2)=(x/9)(2/3x)=(2x)/(27x)=2/27

3.
(7x/9)/(49/3x)=(7x/9)(3x/49)=(21x^2)/(441)=(x^2)/21

4.
(2x^2y/3yz)/(6/xz)=(2x^2y/3yz)(xz/6)=(x^3)/(9)

5. (4y-3x)/(3xy+y^2)

6. (-9x+6)/(8x+6)

7. (yx^2+y^2)/(x^2+xy^2)

8. x^-1=1/x
(x^2)/(4x+1)

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On a line segment B is between AC and C is between B and D using the segment addition postulate if AB=7 AC=15 AD=32 what does BC BD and CD equal
Describe the sign of the quotient of two integers when: Both integers are positive. Positive Negative
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A local discount store is famous for their motto, "Shop with us and you'll pay 20% less". Their claim is that every item in the store is already marked down 20% off of retail prices. In this Sunday's ad, they are advertising a scuba mask and snorkel set at their discount price of $28. Use a percent model to determine the original retail price of the scuba mask and snorkel set.
dara spends $13.02 on sandals, $9.85 on shorts, and $15.20 on a hat. how much change does she recieve back from $50

In tan A = 7/9 the measure of

Answers

If the tangent of angle 'A' is 7/9 , then
angle 'A' is either 37.87° or 217.87°.

Which is most likely the correlation coefficient for the set of data shown?–0.872
–0.191
0.191
0.872

Answers

Answer:

the answer is -0.872

Step-by-step explanation:

The correct answer is:

0.872.

Explanation:

The correlation coefficient of a regression line is a measure of how closely the line fits our data. Negative correlation coefficients represent decreasing lines; positive correlation coefficients represent increasing lines.

The closer a correlation coefficient is to +1 or -1, the better the fit; a perfect positive fit is r=1 and a perfect negative fit is r=-1.

We can see in the graph that the line is very close to our data, so it is a pretty good fit.

The line is increasing; this means we want a correlation coefficient that is close to 1.

The best choice is 0.872.

The sum of two consecutive integers is less than 83. Find the pair of integers with the greatest sum.

Answers

$n+n+1<83\n2n+1<83\n2n<82\nn<41\n\n$

They are 40 and 39.

Please Help Will Give Brainliest If Correct!The line segment shown is rotated 90° about the origin (counterclockwise). What are the new coordinates of point A?

A) (2, 1)
B) (-2, 1)
C) (-2, -1)
D) (1, 2)

Answers

Point A before being rotated = (1,-2)

A point (x,y) is rotated counterclockwise by 90°. The result will be (-y,x)

If point (1,-2) rotated counterclockwise by 90°, the result will be (2,1)

ANSWER: A. (2,1)

If possible, please show solving steps