$|2x+3|\geq23\iff2x+3\geq23\ \vee\ 2x+3\leq-23\qquad|\text{subtract 3 from both sides}\\\\2x\geq20\ \vee\ 2x\leq-26\qquad|\text{divide both sides by 2}\\\\x\geq10\ \vee\ x\leq-13$

7 0

3 years ago

#81 please!!!!!! I’ll rate you!

natta225 [31]

The circumference of a circle with radius $r$ is

$C=2\pi r$

So, one quarter of a circumference will be

$\dfrac{C}{4}=\dfrac{\pi r}{2}$

You radius is 6, so we have

$\dfrac{C}{4}=\dfrac{6\pi}{2}=3\pi \approx 9.42$

6 0

4 years ago

Write an equation that you can use to solve for x.

kotegsom [21]

Answer:

x+60=100

I am in 7th grade in k12

~~ :)

3 0

3 years ago

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