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Strike441 [17]
3 years ago
13

How to find an angle measurment

Mathematics
2 answers:
SVEN [57.7K]3 years ago
7 0
You can find an angle by simply just using a protracter and measuring it
blsea [12.9K]3 years ago
6 0
You can find an angle measurement by using a protractor.
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Katie is To Receive 2-1/2 drops of medication every 6hours. How much Medication will she receive in 24 hours?
bezimeni [28]
First, how many periods of 6 hours are in 24 hours? 24 / 6 = 4.
So every 6 hours, Katie needs 2.5 drops.
Seeing as there are 4 periods of 6 hours in 24 hours, you would do 2.5 x 4.
Katie will receive 10 drops of medication in 24 hours. 
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3 years ago
Three times 3^81 is equal to 9 to what power?
jeka57 [31]
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sue charges a flat rate of $5 to plant flowers, and an additional $2 per hour, h, for each hour she works. This is best represen
zloy xaker [14]
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3 years ago
Find the exact value of the trigonometric expression given that sin(u) = -(3/5),
GuDViN [60]

Recall that

\cot(u+v)=\dfrac{\cos(u+v)}{\sin(u+v)}=\dfrac{\cos u\cos v-\sin u\sin v}{\sin u\cos v+\cos u\sin v}=\dfrac{\cot u\cot v-1}{\cot v+\cot u}

Also, recall that for all \theta,

\cos^2\theta+\sin^2\theta=1

With \frac{3\pi}2, we can expect \cos u>0, and with 0, \sin v>0. So from the above identity it follows that

\cos u=\sqrt{1-\sin^2u}=\dfrac45\implies\cot u=\dfrac{\cos u}{\sin u}=-\dfrac43

and

\sin v=\sqrt{1-\cos^2v}=\dfrac8{17}\implies\cot v=\dfrac{\cos v}{\sin v}=\dfrac{15}8

and so

\cot(u+v)=\dfrac{-\frac43\frac{15}8-1}{\frac{15}8-\frac43}=\boxed{-\dfrac{84}{13}}

6 0
3 years ago
graham spent a total of 7.25 on 8 oranges and a packet os strawberries if a packet of strawberries cost 2.85 how much did each o
JulsSmile [24]
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$4.40/8= $0.55
Each orange costs $0.55
6 0
4 years ago
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