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stich3 [128]
3 years ago
10

What is the slope of a line perpendicular to the line whose equation is 2x+8y -64 Fully reduce your answer.

Mathematics
1 answer:
Lelechka [254]3 years ago
6 0

Answer: I am pretty sure it is y=-1/4x-8. Hope this helps!

Step-by-step explanation:subtract the 2x from both sides which gives you 8y=-2x-64. Then you want to divide both sides by 8 to get y=-1/4x-8

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If the circle radius is 27yd, how do I find the circumference without using pi?
lions [1.4K]

Circumference of a circle having radius of 27 yard can be found using the formula, π = 2(Area of Circle)/r, which is C = 169.6 yd

<h3>What is the Circumference of a Circle?</h3>
  • Circumference of a circle is the distance round the circle.
  • Circumference = Perimeter
  • Circumference of a circle without using π = 2(Area of Circle)/r.

Given:

radius of circle = 27 yd

Thus:

Area = πr² = π(27)²

Area = 2,290.2 yd²

Circumference of a circle without using π = 2(2,290.2)/27

= 169.6 yd.

Learn more about Circumference of a Circle on:

brainly.com/question/16703642

5 0
2 years ago
Read 2 more answers
helpppppppppppppppppppppppppppppp............................ 2 more after this who ever answers it gets 50 points
Jet001 [13]

Answer:

4

Step-by-step explanation:

substitute: (4)^2 - (8 + 3)

16 - 11 = 4

6 0
2 years ago
Read 2 more answers
Y varies directly with x and y=8 when x=-5
ale4655 [162]

Answer:

Y=K×X...... equation

When,Y=8 and X=-5

To find the constant (K)

we substitute for K in the equation

8=K×-5

8=-5K divide both sides by -5

8÷-5=-5K÷-5

K=-1.6

7 0
2 years ago
What is 56871 divided by 89
siniylev [52]
56871/89= 639.

Do you not get access to a calculator?
6 0
3 years ago
Read 2 more answers
You’ve observed the following returns on Crash-n-Burn Computer’s stock over the past five years: 14 percent, –9 percent, 16 perc
MatroZZZ [7]

Answer:

a. 9%

b. 0.01445

c. 12.02%

Step-by-step explanation:

n = 5 years

Return rates = 14%, –9%, 16%, 21%, and 3%

a. Arithmetic average return

A= \frac{14-9+16+21+3}{5} \\A=9.00

b. Historical variance (to 5 decimal places)

V= \frac{\sum (X_i-A)^2}{n-1} \\V= \frac{(0.14-0.09)^2+(-0.09-0.09)^2+(0.16-0.09)^2(0.21-0.09)^2(0.03-0.09)^2}{5-1}\\ V=0.01445

c. Standard deviation.

s = \sqrt{V} \\s= \sqrt{0.01445}\\s=0.1202 = 12.02\%

8 0
3 years ago
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