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stiv31 [10]
3 years ago
12

Solve for x. Assume that lines which appear tangent are tangent. X=

Mathematics
2 answers:
Amiraneli [1.4K]3 years ago
8 0

Answer:

50

Step-by-step explanation:

tangent-secant theorem

Orlov [11]3 years ago
5 0

Answer:

x = 32

Step-by-step explanation:

(whole secant) x (external part) = (tangent)^2

(x+18) * 18 = 30^2

(x+18) * 18 = 900

Divide each side by 18

(x+18) * 18/18 = 900/18

(x+18)  = 50

Subtract 18 from each side

x+18-18 = 50-18

x=32

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Solve variable 3/4x-5=7
soldi70 [24.7K]

Answer:

x=16

Step-by-step explanation:

7+5=12

12 divided by 3/4 is 16

5 0
3 years ago
True or false, there is no solution to the systems of inequalities shown below
miss Akunina [59]
False 
Because if you plot a graph to both the equation as i have attached the image.. you can see there can be multiple solution to the above system of inequalities. 

8 0
3 years ago
Read 2 more answers
You randomly select an integer from 0 to 19 ​(inclusively) and then randomly select an integer from 0 to 24 ​(inclusively). What
Mila [183]

Answer:

The probability of selecting 5 both​ times is 0.002.

Step-by-step explanation:

We are given that you randomly select an integer from 0 to 19 ​(inclusively) and then randomly select an integer from 0 to 24 ​(inclusively).

And we have to find the probability of selecting 5 both​ times.

As we know that the probability of an event is given by;

                Probability = \frac{\text{Favorable number of outcomes}}{\text{Total number of outcomes}}

Now, here between integer from 0 to 19 ​(inclusively);

Number of times 5 comes = 1

Total number of integers = 20

Similarly, between integer from 0 to 24 ​(inclusively);

Number of times 5 comes = 1

Total number of integers = 25

So, the required probability = \frac{1}{20}\times \frac{1}{25}

                                              = \frac{1}{500} = 0.002

Hence, the probability of selecting 5 both​ times is 0.002.

5 0
3 years ago
Giving brainlist to whoever answers
tatuchka [14]
725.95 is the answer
4 0
3 years ago
What is sn for the arithmetic series with a1=3 an=-38 and n=8?
otez555 [7]
Sn = n/2 (a1+an)
= 8/2 (3-38)
= 4 (-35)
= -140
4 0
3 years ago
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