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valentina_108 [34]
2 years ago
14

Select the correct answer.

Mathematics
1 answer:
Molodets [167]2 years ago
4 0
To answer this question you must know that there is a theorem called the "Two secants angle theorem", which establishes that the measure of an angle formed when two secants intersecting  outside the circle is equal to 1/2 the difference of the two intercepted arcs.

 Therefore, as you can see, the correct answer is the option B): B)<span>1/2 the difference of the intercepted arcs</span>
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Two percent of Jennie’s skin cells were burned when she escaped from a fire. If 3.7×10^10 of her skin cells were burned then, ho
gulaghasi [49]

1813\times10^9 cells were not burnt when Jennie escaped from the fire.

<u>Solution:</u>

Given:

2% of skin cells were burnt i.e, 3.7\times10^{10} of skin cells were burnt.

To find:

Number of skin cells that were not burnt

We can write 3.7\times10^{10} \text{ as } 37\times10^{9}

Therefore, by equating the values we get,

2% of the cell is 37\times10^9

1% of the cell is \frac{37\times10^9}{3}=18.5\times10^9

As, 1% of the cell is 18.5\times10^9

98%  of the cell will be 98\times18.5\times10^9=1813\times10^9

\therefore \text{ skin cells that are not burnt is } 1813\times10^9

8 0
3 years ago
8(t+2)-3 (t-4)=6 (t-7)+8
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8t+16-3t+12=6t-42+8

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28=t-34

t=62

3 0
3 years ago
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