2 years ago

In the figure below, find the value of cose:

Mathematics

1 answer:

MariettaO [177]2 years ago

4 0

Answer:

Step-by-step explanation:

cosΘ = $\frac{adjacent}{hypotenuse}$ = $\frac{x}{r}$

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Two planes that are traveling toward each other are 720 miles apart. One plane is traveling 40 miles per hour faster than the ot

natali 33 [55]

Answer:

y = 460 miles per hr

x = 500 miles per hr

Step-by-step explanation:

Let the planes be X any

Let their speeds be xmiles/hr and ymiles/hr respectively

x = y + 40 (assuming X is faster by 40miles/hr)

Distance travelled by X to meet Y = 0.75x

Distance travelled by Y to meet X = 0.75y

0.75x + 0.75y = 720 --------1

Put x = y + 40 in eqn 1

0.75(y+40) + 0.75y = 720

0.75y + 30 + 0.75y= 720

1.5y = 690

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x = 460 +40

= 500 miles per hr

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3 years ago

What are the main properties of a rectangle Use rectangle (BCDE) to help you .

OleMash [197]

Answer:

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3 years ago

Find the exponential function that satisfies the given conditions:

swat32

Answer-

The exponential function that satisfies the given conditions is $f(t)=67(0.9953)^t$

Solution-

This can be represented as exponential decreasing function,

$f(t)=a(1 - r)^t$

Where,

a = starting amount = 67
r = rate = 0.47% = 0.0047
t = week

Putting the values,

$\Rightarrow f(t)=67(1 - 0.0047)^t$

$\Rightarrow f(t)=67(0.9953)^t$

Therefore, the exponential function that satisfies the given conditions is

$f(t)=67(0.9953)^t$

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4 years ago

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