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timurjin [86]
3 years ago
5

How many quarters are there in $2? A. 2 B. 4 C. 6 D. 8

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
7 0
The answer is D there are 8 quarters in $2
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The line PQ has equation 3x – 2y = 12. P is a point with coordinates (6, 3) and Q is the point
blondinia [14]

Answer:

  1. -9
  2. 2x + 3y = 21
  3. 4√5

Step-by-step explanation:

1. Put the point values in the equation where x and y are, then solve.

... 3(-2) -2k = 12

... -6 -2k = 12 . . . . eliminate parentheses

... -2k = 18 . . . . . . .add 6

... k = -9 . . . . . . . . . divide by -2

2. The perpendicular line will have a slope that is the negative reciprocal of the slope of the given line. The equation for it can be found by swapping the x- and y-coefficients and negating one of them. Then, to make the line go through point (h, k), replace the constant with zero and replace x with (x-h) and y with (y-k).

... 2(x -6) +3(y -3) = 0 . . . . . a line through P perpendicular to PQ

... 2x + 3y = 21

3. The Pythagorean theorem is used for finding the lengths of line segments. The difference in coordinates between P and R is ...

... P - R = (6, 3) - (2, -5) = (6-2, 3-(-5)) = (4, 8)

The length of segment PR can be considered to be the length of the hypotenuse of a right triangle with these leg lengths.

... ║PR║ = √(4² +8²) = √80

... ║PR║ = 4√5

8 0
3 years ago
Solve the inequality for x - 7 less than 5
arsen [322]

The answer will be 2 because x-7 less than 5bwill equal 2

4 0
3 years ago
Algebra 2 , what is 3x to the second power +5=
polet [3.4K]

Answer:

125

Step-by-step explanation:

5 to power 3 is 5 times itself thrice, or 5x5x5. 5x5=25, and 25x2=125. The value of 5 to power of 3, is 125 or 5x5x5!

3 0
3 years ago
What is the divisor of 4/12=1/3
gregori [183]

Answer:

Im pretty sure its 1. Not 100% sure but im 99.99% sure

Step-by-step explanation:

3 0
2 years ago
The scale on a road map indicates that 2 inches = 30 miles. How many inches would represent 120 miles on this road map?
qwelly [4]
In:mi

2 = 30

x = 120


2/30=x/120

(Cross Multiply)

30x= 240

30x/30=240/30

X=8



8 0
2 years ago
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