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2 years ago

12

Need help thinks its d

1 answer:

lyudmila [28]2 years ago

4 0

Answer: you're right, it is D.

Step-by-step explanation:

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Given directed line segment PR below, find the coordinates of Q on PR

g100num [7]

Answer:

$(\frac{4}{3},-3)$

Step-by-step explanation:

The location of a point O(x, y) which divides line segment AB in the ratio a:b with point A at ( $x_1,y_1$ ) and B( $x_2,y_2$ ) is given by the formula:

$x=\frac{a}{a+b}(x_2-x_1)+x_1\\ \\y=\frac{a}{a+b}(y_2-y_1)+y_1$

From the graph, the location of the point is P(2, 5), R(1, -7). Let point Q be (x, y) which divides PR in ratio 2:1. Coordinates of point Q is at:

$x=\frac{a}{a+b}(x_2-x_1)+x_1=\frac{2}{2+1}(1-2)+2=\frac{2}{3}(-1)+2=\frac{4}{3} \\ \\y=\frac{a}{a+b}(y_2-y_1)+y_1=\frac{2}{2+1}(-7-5)+5= \frac{2}{3}(-12)+5=-3$

Point Q is at $(\frac{4}{3},-3)$

5 0

3 years ago

To win a certain state lottery, players must correctly choose 4 numbers (in any order) from the numbers 1 to 40. How many differ

inn [45]

Theres about 800 different combinations, i'm not sure though, i'm sorry if i'm wrong

4 0

3 years ago

Read 2 more answers

Solve each system by substitution method x+y=4 y=3x

valentina_108 [34]

X+y=4 y=3x
x+3x=4
4x=4
divide both sides by 4
x=1

3 0

3 years ago

On Monday the store is having a sale and all the school supplies are 1/2 off,how much money would you save if u shop on Monday

Blababa [14]

Since everything is half off, you save half of your money or %50.

3 0

2 years ago

What does 12(6-k) equal

gregori [183]

$\text{Hey there!}$

$\rightarrow\text{What does 12(6 - k) equal?}$

$\text{Well, the formula is: a(b + c) = a(b) + a(c) = ab + ac}$

$\bf{12( 6 - k) = 12(6) - 12(k)= \underline{72 -12k}}$

$\boxed{\boxed{\text{\bf{Thus, your answer is: 72 - 12k}}}}\checkmark$

$\text{Good luck on your assignment and enjoy your day!}$

~ $\frak{LoveYourselfFirst:)}$

8 0

2 years ago