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stira [4]
4 years ago
9

Find the measure of angle A.

Mathematics
1 answer:
polet [3.4K]4 years ago
8 0
The measure of angle A is 80
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D=2r please help me I’m doing a test
AysviL [449]

Answer:

D=2r

Step-by-step explanation:

all u do is get the diameter os for d so lets say d is 3 it will be like 3=2r now u need is the radis u need to divide the diameter by 2 and thwre u go

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A tablet weighs 1.23 pounds. What is its weight written as a mixed number? Plus workings
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Can someone help me with ratios?
klio [65]
Yes, what would you like help with?


5 0
4 years ago
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Help how to solve! 24=3r divided by 4
natali 33 [55]

24=3r/4

Multiply both sides by 4

24=(3r)/4

(24)*(4)=(3r/4)*(4)

96=3r

Flip the equation

3r=96

Divide both sides by 3

3r/3=96/3

r=32

Now lets check if the answer is good

24=3(32)/4

24= 96/4

24=24

You see , the answer is good .


I hope that's help ! Let me know .

6 0
3 years ago
Find the exact value of tan(θ + φ) given that sin θ = 4/5 and sin φ = 5/13and that θ and φ are between 0 and π/2. Note these ang
MArishka [77]
\sin\theta=\dfrac45\implies\cos\theta=\dfrac35
\sin\varphi=\dfrac5{13}\implies\cos\varphi=\dfrac{12}{13}


\tan\theta=\dfrac{\sin\theta}{\cos\theta}=\dfrac45
\tan\varphi=\dfrac{\sin\varphi}{\cos\varphi}=\dfrac5{12}

\tan(\theta+\varphi)=\dfrac{\tan\theta+\tan\varphi}{1-\tan\theta\tan\varphi}=\dfrac{63}{16}
6 0
3 years ago
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