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irinina [24]
3 years ago
5

Precalc: Vector word problem:

Mathematics
1 answer:
charle [14.2K]3 years ago
8 0
Bearing in mind that   \bf \begin{cases}
x=rcos(\theta )\\\\
y=rsin(\theta )
\end{cases}

I can make this much from that, check the picture below.

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What is the coefficient of (-2/3x)(3y)(-2x)
dolphi86 [110]

Answer:

The coefficient is equal to  4

Step-by-step explanation:

we have

(-\frac{2}{3}x)(3y)(-2x)

we know that

The coefficient is equal to

(-\frac{2}{3})(3)(-2)=4

so

(-\frac{2}{3}x)(3y)(-2x)=4x^{2}y

4 0
3 years ago
On the fifth orbit, the space shuttle Freedom was as close as 110 miles from Earth and as far away as 180 miles from Earth. By h
Varvara68 [4.7K]

180 - 110 = 70
4 0
3 years ago
Read 2 more answers
An object is thrown upward from the top of 80 ft tower.The height h of the object after t seconds is represented by the quadrati
Sedaia [141]

Answer:The object will hit the ground after 5 seconds


Step-by-step explanation:

Given height of tower =80 ft

h=-16t^{2}+64t+80

When the object will hit the ground its height=0

0=-16t^{2}+64t+80

Multiplying both sides by -1

16t²-64t-80=0

Dividing by 16 both sides

t²-4t-5=0

(t-5)(t+1)=0

t=5 or -1

So t=5 since time cannot be negative

The object will fall after 5 seconds



6 0
2 years ago
Read 2 more answers
Truck -Rite Rentals rents trucks at daily rate of $49.95 plus 39 cents per mile. concert Productions has budgeted $100 for renti
Sergio039 [100]
$100 - $49.95 = $50.05
You have $100, and just renting costs $49.95, leaving $50.05 left.
$50.05 / $0.39 = 128.3

Out of your money left ($50.05) you divide my how much it costs in a day, to get how many miles you can go.

The answer is 128.3, but if you were going a round trip (there and back) you would do 128.3 / 2 = 64.16, meaning you can go 64 miles and come back, all for a hundred dollars (still 128 miles in total though)
6 0
2 years ago
What is the pattern as the exponents decrease?
qwelly [4]

Answer:

divide the previous value by 5

Step-by-step explanation:

5^2=25, 5^1=5, 25/5=5

3 0
2 years ago
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