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3 years ago

Identify the lengths of AB and AC. HELP ASAP!!

Mathematics

1 answer:

Montano1993 [528]3 years ago

4 0

Answer:

Step-by-step explanation: AB = 28, and AC = 42

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Factor this expression completely. Write the factored expression in the space provided.

icang [17]

<h3>I'll teach you how to solve y^2 - y - 12</h3>

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y^2 - y - 12

Break the expression into groups:

(y^2+3y)+(-4y-12)

Factor out y from y^2+37:

y^2+37 = y(y+3)

Factor out -4 from -4y-12:

-4y-12 = -4(y+3)

y(y+3)-4y-12

Factor out common term y+3:

(y+3)(y-4)

Your Answer Is (y+3)(y-4)

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5 0

3 years ago

Solve ( 9 - r) ( 2 - 3r) using the FOIL method. QUICK PLEASE!

bazaltina [42]

$\huge\text{Hey there!}$

$\textsf{(9 - r)(2 - 3r)}$

$\textsf{= 9(2) + 9(-3r) + 2(-r) + (-r)(-3r)}$

$\mathsf{= 18 - 27r - 2r + 3r^2}$

$\mathsf{= 3r^2 + 18 - 27r - 2r}$

$\boxed{\large\text{COMBINE the LIKE TERMS}}$

$\mathsf{= 3r^2 + 18 + (-27r - 2r)}$

$\mathsf{= 3r^2 + 18 - 29r}$

$\mathsf{= 3r^2 - 29r + 18}$

$\boxed{\large\textsf{Therefore, your answer is: \large\boxed{\mathsf{3r^2 - 29r + 18}}}}\large\checkmark$

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

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7 0

3 years ago

FAST PLEASE 50 POINTS :D

Naddika [18.5K]

Answer:

Area = 20 units²

Step-by-step explanation:

Let A(-8,-2), B(-3,-2), C(-3,-6) and D(-8,-6) so that the rectangle becomes ABCD.

=> Since it's a rectangle it will have two opposite sides equal.

So, let's find the length of any two sides (as length and width) by Distance Formula.

Distance Formula = $\sqrt{(x2-x1)^2+(y2-y1)^2}$

Side AB:

|AB| = $\sqrt{(-3+8)^2+(-2+2)^2}$

|AB| = $\sqrt{5^2}$

|AB| = 5

Side BC:

|BC| = $\sqrt{(-3+3)^2+(-6+2)^2}$

|BC| = $\sqrt{16}$

|BC| = 4

Now, Area:

Area of the rectangle = Length * Width

Area = 4 * 5

Area = 20 units²

3 0

3 years ago

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ASAP PLEASE HELPPP PLEASE

torisob [31]

Answer:

Step-by-step explanation:

$\frac{DC}{4}=\frac{12}{8} \\ \\ DC=6$

3 0

1 year ago

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Montano1993 [528]

lol what is that. delete it

5 0

3 years ago

Read 2 more answers