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nataly862011 [7]
3 years ago
12

What is the area of the rectangle?

Mathematics
2 answers:
almond37 [142]3 years ago
8 0
Take a look at the picture i sent you

NARA [144]3 years ago
5 0
Use the formula of length of the segment:
A(x_A;\ y_A);\ B(x_B;\ y_B)\\\\|AB|=\sqrt{(x_B-x_A)^2+(y_B-y_A)^2}

A(-3;-7);\ B(5;-1)\\\\|AB|=\sqrt{(5-(-3))^2+(-1-(-7))^2}=\sqrt{8^2+6^2}=\sqrt{64+36}=\sqrt{100}=10\\\\A(-3;-7);\ D(-6;-3)\\\\|AD|=\sqrt{(-6-(-3))^2+(-3-(-7))^2}=\sqrt{(-3)^2+4^2}=\sqrt{9+16}=\sqrt{25}=5
A_{\boxed{ . }}=|AB|\cdot|AD|\\\\A_{\boxed{ . }}=10\cdot5=50\ \text{units}^2
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Which is a zero of the quadratic function f(x) = 9x2 – 54x – 19?
liraira [26]

Answer: Third Choice. x= 6 1/3

Step-by-step explanation:

Given

f(x) = 9x² - 54x - 19

Completing the square

3x          -19

3x          1

Substitute back to the function

f(x) = (3x-19) (3x+1)

Simplify

x= 6 1/3 or -1/3

Hope this helps!! :)

Please let me know if you have any questions

7 0
2 years ago
What is the area of the rectangle, in square feet?<br> 29<br> 58<br> 120<br> 180
Fittoniya [83]

Answer:

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3 0
2 years ago
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kozerog [31]

Answer:

18π ft^2

Step-by-step explanation:

The area of the circle is

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Multiply the area by the fraction that is shaded

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5 0
3 years ago
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The employees of a firm that manufactures insulation are being tested for indications of asbestos in their lungs. The firm is re
diamong [38]

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0.070

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r-1 = 3 -1 = 2

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8 0
3 years ago
Ramla bought a sheet of 100 stamps from the post office for $39. what was the price of each stamp?
erica [24]
The price of each stamp was $2.56 each because 100 divided by $39 is $2.56. 

Hope that helped:)
5 0
3 years ago
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