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3 years ago

15

If the area of a rectangle is 60 in?

2 answers:

Nataliya [291]3 years ago

8 0

Answer:12 in

Step-by-step explanation:

ale4655 [162]3 years ago

6 0

12 inches dear, glad i could help stay safe .

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Complete the square to the problem X^2+6x-16=0

marishachu [46]

Answer:

<h2>x = -8 or x = 2</h2>

Step-by-step explanation:

$(a+b)^2=a^2+2ab+b^2\qquad(*)\\\\-------------------------------\\\\x^2+6x-16=0\qquad\text{add 16 to both sides}\\\\x^2+6x=16\\\\x^2+2(x)(3)=16\qquad\text{add}\ 3^2\ \text{to both sides}\\\\\underbrace{x^2+2(x)(3)+3^2}_{(*)}=16+3^2\\\\(x+3)^2=16+9\\\\(x+3)^2=25\Rightarrow x+3=\pm\sqrt{25}\\\\x+3=-5\ \vee\ x+3=5\qquad\text{subtract 3 from both sides}\\\\\boxed{x=-8\ \vee\ x=2}$

3 0

3 years ago

Plz help me this one is a lil tough

Aneli [31]

Answer:

100 degrees

Step-by-step explanation:

It's going through 140 and 40, 180 - 40 = 140

180 cause a flat line is 180 degrees

8 0

3 years ago

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in the figure below,angle y and angle x from vertical angles.angle y forms a straight line with 80° angle and the 60° angle

abruzzese [7]

I need a picture of the figure otherwise i cant help

7 0

3 years ago

Leona spent 35.98 at the mall. She bought a T-shirt and a book. The book cost 18.25. How much did the T-shirt cost?

horsena [70]

35.98 - 18.25 = 17.73

The t-shirt cost her 17.73.

3 0

3 years ago

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7(2a−9)−(8a+2) Simplified please anyone?

Verizon [17]

Answer:

6a+61

Step-by-step explanation:

7(2a-9)-(8a+2)

7x2a=14a

7x9=63

14a+63-(8a+2)

-1x8a=-8a

-1x2=-2

14a+63-8a-2

6a+61

8 0

3 years ago