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Ann [662]
3 years ago
7

A flying squirrel lives in a nest that is 9 meters high in a tree. To reach a fallen acorn that is 4 meters from the base of the

tree, how far will the flying squirrel have to glide? If necessary, round to the nearest tenth.
Mathematics
1 answer:
Luba_88 [7]3 years ago
6 0

Answer:

Flying squirrel have to glide is for 9.8 meters approximately.

Step-by-step explanation:

Here we can use Pythagoras theorem.

Height is 9 , base is 4.

We need to find the hypotenuse measure.

So, let's use Pythagoras theorem a^{2} +b^{2}= c^{2}

Plug in a as 9 and b 4.

9^{2} +4^{2}=c^{2}

Simplify the left side of the equation

81+16=c^{2}

97=c^{2}

Take square root on both sides.

c=9.8 meters.

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Step-by-step explanation:

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3 years ago
Can somebody explain this to me when 2du = 16xdx ???
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When you set u=4x^2+4, you end up with the differentials \mathrm du=8x\,\mathrm dx. Multiplying both sides by 2 gives 2\,\mathrm du=16x\,\mathrm dx.

Then the integral is

\displaystyle\int_0^1\frac{16x}{(4x^2+4)^2}\,\mathrm dx=\int_4^8\frac2{u^2}\,\mathrm du=-\frac2u\bigg|_{u=4}^{u=8}=-2\left(\frac18-\frac14\right)=\frac14
8 0
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How can I do 30-4 as a mixed number
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3 years ago
A triangle has a perimeter of 26 inches. The medium side is 6 more than the short side, and the longest side is 3
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3 years ago
If 3x + 2y = 1 and<br> 2x + 7y = 3<br><br> How do you find x and y step by step?
trapecia [35]

Step-by-step explanation:

there are 2 main approaches (in their core they are the same, of course, but they look different) :

1. use one equation to express one variable by the second, and then use this in the second equation to solve for the remaining variable. with that you go back into the first equation and solve for the first variable.

2. multiply both equations by certain factors as needed, then add both results, so that there is one summary equation with only one variable, and then solve for it. then use that in one of the original equations and solve for the second variable.

using 1.

3x + 2y = 1

3x = 1 - 2y

x = (1 - 2y)/3

2x + 7y = 3

2(1 - 2y)/3 + 7y = 3

2(1 - 2y) + 21y = 9

2 - 4y + 21y = 9

17y = 7

y = 7/17

x = (1 - 2y)/3 = (1 - 2×7/17)/3 = (1 - 14/17)/3 =

= (17/17 - 14/17)/3 = 3/17 / 3 = 1/17

using 2.

multiply first equation by 2, the second by -3

6x + 4y = 2

-6x - 21y = -9

----------------------

0 -17y = -7

-17y = -7

17y = 7

y = 7/17

and so on (as under 1.).

6 0
2 years ago
Read 2 more answers
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