2 years ago

What is the slope of a line parallel to (y=-3x-6)?

Mathematics

1 answer:

EleoNora [17]2 years ago

4 0

Y equals 4x-2 that is my awnser

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If the diameter of circle a measures half of the diameter of circle b, then the area of circle b is how many times the area of c

Eduardwww [97]

Circle b:

Diameter = x

Radius = $\frac{x}{2}$

Area = $\pi r^{2} = \pi ( \frac{x}{2} )^{2} = \frac{ \pi x^{2} }{4}$

Circle a:

Diameter = $\frac{x}{2}$

Radius = $\frac{x}{2} * \frac{1}{2} = \frac{x}{4}$

Area = $\pi r^{2} = \pi ( \frac{x}{4} )^{2} = \frac{ \pi x^{2} }{16}$

Thus,

Area of circle b to area of circle a

= $\frac{ \pi x^{2} }{4}$ ÷ $\frac{ \pi x^{2} }{16}$

= $\frac{ \pi x^{2} }{4}$ × $\frac{ 16 }{\pi x^{2}}$

= 4

Hence, the area of circle b is 4 times the area of circle a.

5 0

3 years ago

Use the equation below to find y, if m=4, x = 3, and b=11

Afina-wow [57]

Answer:

y = 23

Step-by-step explanation:

Assuming the equation not below is y = mx + b form...

m = 4

x = 3

b = 11

y = 4(3) + 11

y = 12+ 11

y = 23

8 0

3 years ago

Which number is the largest? A. 20.999 B. 21.767 C. 21.76 D. 21.80 E. 21.798

Elza [17]

Answer:

21.80

Step-by-step explanation:

3 0

2 years ago

What is the slope of the line (-2,-6) and (2,2)

avanturin [10]

Answer:

slope = 2

Step-by-step explanation:

Calculate the slope m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (- 2, - 6) and (x₂, y₂ ) = (2, 2)

m = $\frac{2+6}{2+2}$ = $\frac{8}{4}$ = 2

4 0

3 years ago

The i-phone 7 Plus 32G costs $769. Amazon has a sale for 15% off. What's the sale price?

kiruha [24]

Answer:

653.65

Step-by-step explanation:

? 15

769 100 15/100 is 15%.

769 * 15 = 11,535 11,535/100 = 115.35

769

- 115.35

653.65

4 0

2 years ago