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3 years ago

Please help me! i dont know what to do... And my weekend depends on you

Mathematics

1 answer:

vladimir2022 [97]3 years ago

7 0

Answer:

the signed number 7

Step-by-step explanation:

it was 15 minutes and she used 7.12899 gallongs

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K is the midpoint of PQ, P has

Pachacha [2.7K]

Answer:

Coordinates of Q $(x_2,y_2) \:are\: \mathbf{(7,16)}$

Option D is correct option.

Step-by-step explanation:

We are given:

K is the midpoint of PQ

Coordinates of P = (-9,-4)

Coordinates of K = (-1,6)

We need to find coordinates of Q $(x_2,y_2)$

We will use the formula of midpoint: $Midpoint=(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})$

We are given midpoint K and $x_1,y_1$ the coordinates of P we need to find $x_2,y_2$ the coordinates of Q.

$Midpoint=(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})\\(-1,6)=(\frac{-9+x_2}{2},\frac{-4+y_2}{2})\\$

Now, we can write

$-1=\frac{-9+x_2}{2}, 6=\frac{-4+y_2}{2}\\Simplifying:\\-2=-9+x_2\:,\: 12=-4+y_2\\-2+9=x_2\:,\: 12+4=+y_2\\x_2=7\:,\:y_2=16$

So, we get coordinates of Q $(x_2,y_2) \:are\: \mathbf{(7,16)}$

Option D is correct option.

6 0

3 years ago

Find the unknown area

grin007 [14]

Answer: 81 mm^2

Step-by-step explanation: All the sides are the same length and area is just length * width so 9*9=81. You're welcome

8 0

3 years ago

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What is the volume of the cylinder below?

Alex777 [14]

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5 0

3 years ago

Sutract 5a -3b +2b from a-4b -2c

Alborosie

Step-by-step explanation:

-4a-5b-2c I think that is the best answer

8 0

2 years ago

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Can you please help me, this quiz is timed: 2^3 + 3^3 =

Step2247 [10]

Answer:

Showing da work!

2³+3³

=8+3³

=8+27

=35

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*rate this answer and say thanks please!

5 0

3 years ago