1 year ago

Write an expression to find the perimeter of the rectangle below.

Mathematics

1 answer:

blondinia [14]1 year ago

6 0

Answer:

18x^2

Step-by-step explanation:

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Need to know this now pls !!! NEED THE PROCESS , TOO!!!<br><br> x squared - 18x = -117

nydimaria [60]

Answer:

x = 9 + 6i or x = 9 - 6i

Step-by-step explanation:

x² - 18x + 117 = 0

Complete the square and solve:

(x - 9)² - 81 + 117 = 0

(x - 9)² + 36 = 0

(x - 9)² = -36

x - 9 = ±sqrt(-36)

x - 9 = ±sqrt(-1).sqrt(36)

i = imaginary number = sqrt(-1)

x - 9 = ±6i

x = 9 ± 6i

There are no real solutions, only imaginary ones

9 + 6i and 9 - 6i

3 0

2 years ago

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Barbra can walk 3200 meters in 24 minutes. How far can she walk in 3 minutes show your work

vichka [17]

$\frac{3200}{24}=\frac{n}{3}\\\frac{3200}{24}/\frac{8}{8}=\frac{n}{3}\\\frac{400}{3}=\frac{n}{3}\\\frac{400}{3}*3=\frac{n}{3}*3\\400=n\$

400 meters

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2 years ago

( PLEASE HELP )Use the table to write a proportion .

Margaret [11]

8/6 and then m/16 is the correct answer

7 0

2 years ago

1. What is the standard form for the<br> following:<br> 3x^2 - 4x + 6x^5 + 10x^3 - 8

Mrrafil [7]

Answer:

how this helps

Step-by-step explanation:

6 0

2 years ago

1. Find the volume of a sphere with a radius of 10 inches. Use 3.14 for pi.

dolphi86 [110]

Answer: $1256in^{2}$

Step-by-step explanation:

The formula to find the radius of a sphere is $4(pi)r^{2}$

3.14*4*100=1256

I hope this helped

7 0

2 years ago

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