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3 years ago

Helppp im soo confused

Mathematics

2 answers:

garik1379 [7]3 years ago

7 0

Answer:

a AND d

Step-by-step explanation:

option - a

and

Option- d

I hope im right !

olganol [36]3 years ago

3 0

Answer:

A, D

Step-by-step explanation:ad

A. x = 3

B. x = 3/4

C. x = -9/2

D. x = 3

Sidenote: Hope this helps! :D

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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

2 years ago

Please help me solve

Inga [223]

Answer:

s= -2

Step-by-step explanation:

3 0

2 years ago

Children shorter than 54 inches get into the water park free. Howard is currently 42 inches tall. He grows approximately 3 inche

slava [35]

Answer:

42 + 3y ≤ 54

Step-by-step explanation:

6 0

3 years ago

sandi has 2 1/3 cases of car oil in her garage. a full case contains 12 quarts. how many quarts of oil does sandi have?

timurjin [86]

Amount of oil sandi has = 2 1/3 * 12

= 7/3 * 12 = 7*4 = 28 quarts

4 0

3 years ago

F(x) = 2x^2+ 5x + 20 Find f(-9)

8_murik_8 [283]

Answer:

137

Step-by-step explanation:

2(-9)^2+5(-9)+20

2(81)-45+20

162-45+20

117+20

137

8 0

3 years ago