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antoniya [11.8K]
3 years ago
10

(HELP ASAP)In the figure, if OQ is the angle bisector of ∠POR, find m∠POQ.

Mathematics
1 answer:
umka21 [38]3 years ago
6 0

Answer:

61°

Step-by-step explanation:

9x+7=13x-17, QO Bisector

x=6\\, Algebra

m, Algebra/Sub

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To rationalize the denominator 2 sqrt 10/ 3 sqrt 11 you should multiply the expression by which fraction
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Answer:

B

Step-by-step explanation:

To rationalise the denominator.

Multiply the numerator/denominator by the radical on the denominator.

The radical on the denominator is \sqrt{11}, thus

Multiply the fraction by

\frac{\sqrt{11} }{\sqrt{11} } → B

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There are 144 people in an audience. The ratio of adults to children is 5 to 3. How many are adults?
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Find out how many children there are first. Come on, this is simple fractions/percents/decimals/ratios.
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I need help with these questions (see image). Please show workings.<br>​
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Answer:

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Please help me out! i have a few more of these questions, about 4
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henry has 68 miles to destination after 45 minutes and 51.5 miles to destination after 71 minutes of driving. How many miles to
Airida [17]
Let d represent the distance of the destination from the starting point.

After 45 min, Henry has already driven d-68 miles.  After 71 min., he has already driven d-51.5 miles.

So we have 2 points on a straight line:

(45,d-68) and (71,d-51.5).  Let's find the slope of the line thru these 2 points:

                                 d-51.5 - (d-68)         16.5 miles
slope of line = m = ----------------------- = ------------------
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Thus, the slope, m, is   m = 0.635 miles/min

The distance to his destination would be d - (0.635 miles/min)(79 min), or 

d - 50.135 miles.  We don't know how far his destination is from his starting point, so represent that by "d."

After 45 minutes:  Henry has d - 68 miles to go;

After 71 minutes, he has        d - 51.5 miles to go; and

After 79 minutes, he has         d -  x miles to go.  We need to find x.

Actually, much of this is unnecessary.  Assuming that Henry's speed is 0.635 miles/ min, and knowing that there are 8 minutes between 71 and 79 minutes, we can figure that the distance traveled during those 8 minutes is

(0.635 miles/min)(8 min) = 5.08 miles.  Subtracting thix from 51.5 miles, we conclude that after 79 minutes, Henry has (51.5-5.08), or 46.42, miles left before he reaches his destination.




7 0
3 years ago
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