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dolphi86 [110]
3 years ago
8

Is it possible to determine all of the angle measures with the information given? (will mark brainliest)

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
5 0

Answer:

yes

Step-by-step explanation:

if you want explanation tell me

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A​ hot-air balloon is 140 ft140 ft above the ground when a motorcycle​ (traveling in a straight line on a horizontal​ road) pass
luda_lava [24]

Answer:

Step-by-step explanation:

Given

Balloon velocity is 14 ft/s upwards  

Distance between balloon and cyclist is 140 ft

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After 10 sec  

motorcyclist traveled a distance of d_c=88\times 10=880 ft

Distance traveled by balloon in 10 s

d_b=14\times 10=140 ft

net height of balloon from ground =140+140=280 ft[/tex]

at t=10 s

distance between cyclist and balloon is z=\sqrt{280^2+880^2}

z=923.47 ft

now suppose at any time t motorcyclist cover a distance of x m and balloon is at a height of h m

thus z^2=(88t)^2+(14t+140)^2

differentiating w.r.t time

\Rightarrow z\frac{\mathrm{d} z}{\mathrm{d} t}=14\cdot \left ( 14t+140\right )+88\cdot \left ( 88t\right )

\Rightarrow at\ t=10 s

\Rightarrow \frac{\mathrm{d} z}{\mathrm{d} t}=\frac{14\cdot \left ( 14t+140\right )+88\cdot \left ( 88t\right )}{z}

\Rightarrow \frac{\mathrm{d} z}{\mathrm{d} t}=\frac{14\times 280+88^2\times 10}{923.471}

\Rightarrow \frac{\mathrm{d} z}{\mathrm{d} t}=\frac{81,360}{923.471}=88.102\ ft/s

3 0
3 years ago
if 31/2 pounds of bananas cost $1.96, how much would one pound cost? a. $.56 b. $.18 c. $.66 d. $1.76
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3 1/2 = 7/2

so than 7/2 pounds cost 1,96 
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 -----------------------------------------
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Answer:

Step-by-step explanation:

Is C

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2 years ago
Given vectors u = (2, -3) and v= (1, -1), what is the measure of the angle between the vectors?
Virty [35]

Answer:

A) 11.3°

Step-by-step explanation:

got it right on edge :)

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3 years ago
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