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Irina18 [472]
3 years ago
12

Steve props a ladder against a wall of a building so that the he can get to the roof and

Mathematics
1 answer:
icang [17]3 years ago
8 0

Answer:

30 ft

Step-by-step explanation:

you use 35x sin(60) because 35 is the hypotenuse and the angle is 60 degrees

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The side length of a square S can be determined by the formula S equals the square root of a where a represents the area of the
kakasveta [241]

Answer:the side length of a square with the area 0.09 square meter is 0.3 meter.

Step-by-step explanation:

The side length of a square S can be determined by the formula S equals the square root of a where a represents the area of the square. It means that

S = √a

Therefore, the side length of a square with the area 0.09 square meter would be

S = √0.09 = 0.3 meter

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3 years ago
8. The vertices of ACDE are C(-5, 3), D(-6, 1), and E(-1.5, 2).
vova2212 [387]

Answer:

C

Step-by-step explanation:

5 0
2 years ago
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Find a rational and irrational number between 9.5 and 9.7.
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So we know that it must be between 9.5 9.7.. So it has to be 9.56763865854637984... (rounded 9.57) it is irrational because it has no pattern.
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3 years ago
How would I find the integral of <img src="https://tex.z-dn.net/?f=%5Cint%5Cfrac%7Btdt%7D%7Bt%5E4%2B2%7D" id="TexFormula1" title
kotegsom [21]
Let t=\sqrt y, so that t^2=y, t^4=y^2, and \mathrm dt=\dfrac{\mathrm dy}{2\sqrt y}. Then

\displaystyle\int\frac t{t^4+2}\,\mathrm dt=\int\frac{\sqrt y}{2\sqrt y(y^2+2)}\,\mathrm dy=\frac12\int\frac{\mathrm dy}{y^2+2}

Now let y=\sqrt2\tan z, so that \mathrm dy=\sqrt2\sec^2z\,\mathrm dz. Then

\displaystyle\frac12\int\frac{\mathrm dy}{y^2+2}=\frac12\int\frac{\sqrt2\sec^2z}{(\sqrt2\tan z)+2}\,\mathrm dz=\frac{\sqrt2}4\int\frac{\sec^2z}{\tan^2z+1}\,\mathrm dz=\frac1{2\sqrt2}\int\mathrm dz=\dfrac1{2\sqrt2}z+C

Transform back to y to get

\dfrac1{2\sqrt2}\arctan\left(\dfrac y{\sqrt2}\right)+C

and again to get back a result in terms of t.

\dfrac1{2\sqrt2}\arctan\left(\dfrac{t^2}{\sqrt2}\right)+C
3 0
3 years ago
What is the initial value of the equation shown?<br><br> y = −7x − 6
Gwar [14]

Answer:

y = -6

Step-by-step explanation:

Given

y = -7x-6

Required

Determine the initial value

The initial value of any equation is the point where

x = 0

Substitute 0 for x in y = -7x-6

y = -7 * 0 - 6

y=0-6

y = -6

<em>Hence, the initia; value is -6</em>

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3 years ago
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