3 years ago

AB is tangent to circle O at B. What is the length of the radius r

Mathematics

1 answer:

steposvetlana [31]3 years ago

4 0

check the picture below

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I need help ASAP PLEASEEE!

sergeinik [125]

Answer:

The fourth number line is the answer.

Step-by-step explanation:

$- 18 > - 5x + 2 \geqslant - 48 \\ ( - 18 - 2) > - 5x \geqslant ( - 48 - 2) \\ - 20 > - 5x \geqslant - 50 \\ \\ \frac{ - 20}{ - 5} > x \geqslant \frac{ - 50}{ - 5} \\ \\ 4 > x \geqslant 10$

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2 years ago

Describe the domain and range of f(x)= -square root of x+1

Natalka [10]

$f(x)=-\sqrt{x+1}\\\\The\ domain:\\\\x+1\geq0\to x\geq-1\\\\\boxed{x\geq-1\to D:x\in[-1;\ \infty)}\\\\The\ range:\\\\\boxed{y\leq0\to y\in(-\infty;\ 0]}$

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3 years ago

Help me Please ...

wariber [46]

8. 268.632

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3 years ago

The coldest day in ohio clocked in at 40 below zero. In one day though the temperature changed to 20 below zero How much tempera

Zolol [24]

40 below 0 would be -40 and 20 below 0 would be -20°. So there’s a change of (increase of) 20° that day. It would also make sense if you drew a number line. You would see the interval between -40 and -20 is 20.

6 0

2 years ago

A cyclist rode 4.5 miles in 0.4 hours. How fast was the cyclist going in miles per hour

Nookie1986 [14]

Answer:

1)Distance covered by cyclist=3.75 miles.

Time =0.3 hours.

Speed= Distance ÷Time

Speed =3.75÷0.3=12.5 miles per hour.

2) Speed = 12.5 miles per hour, Distance = 4.5 miles .

Time = Distance ÷Speed.

Time = 4.5÷12.5=0.36 hours.

Time taken to cover 4.5 miles is 0.36 hours.

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2 years ago

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