3 years ago

3x - 6 less than or equal to -3 on a graph

Mathematics

1 answer:

g100num [7]3 years ago

4 0

I believe that -3 is less than 3x-6 because if you look at their graph -3’s graph is below 3x-6 graph

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The circumference of the hub cap of a tire is 83.21 centimeters. Find the area of this hub cap. Use

Elena L [17]

Answer:

551 square centimeters

Step-by-step explanation:

Finding the radius (r) :

C = 2πr
83.21 = 2 x 3.14 x r
83.21 = 6.28r
r = 83.21/6.28
r = 13.25 cm

Finding the area :

A = πr²
A = 3.14 x (13.25)²
A = 3.14 x 175.5625
A = 551 square centimeters (nearest whole number)

The area of this hub cap is about 551 square centimeters.

7 0

2 years ago

Read 2 more answers

How do you solve x^2 plus 16x plus 63=0?

Alex

$x^2+ 16x + 63=0 \\ \\a=1, \ b=16 , \ c=63 \\ \\ \Delta =b^2-4ac =16^2 -4\cdot1\cdot 63 = 256 -252 = 4 \\ \\x_{1}=\frac{-b-\Delta }{2a}=\frac{-16-\sqrt{4}}{2 }=\frac{-16-2}{2}=-\frac{-18}{2}=-9 \\ \\x_{2}=\frac{-b+\Delta }{2a}=\frac{-16+\sqrt{4}}{2 }=\frac{-16+2}{2}=-\frac{-14}{2}=-7 \\ \\ \\Answer : \ x= -7 \ \ or \ \ x= -9$