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Effectus [21]
3 years ago
13

How long are the other sides

Mathematics
1 answer:
tester [92]3 years ago
7 0

Answer:

10 inches.

Step-by-step explanation:

Because an isosceles has two equal sides and on different one

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A circular gear turns 60 per hour. through how many radians does it turn in a 24-hour day?
Phantasy [73]

For 1 turn it passes through 2 pi radians

So number of radians it turns through in 24 hours = 60 * 24 * 2 pi = 9047.8 radians to nearest tenth.

4 0
3 years ago
Read 2 more answers
Help please ASAP ASAP
nexus9112 [7]

Answer:

-1/12

Step-by-step explanation:

The slopes of perpendicular lines are equivalent to -1.

6 0
3 years ago
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A surveyor sights the far bank of a river at an angle of 110° to the near bank. She then moves 75 feet upriver and sights the sa
Leya [2.2K]

Answer:

Correct answer is 54.82 ft.

Step-by-step explanation:

First of all, let us label the diagram and do the construction as per the attached answer image.

Let us consider \triangle ABC:

\angle B = 90^\circ\\\angle ACB = 180-110 = 70^\circ

Let side AB = d ft and let side BC = x ft

We need to find AB to find the shortest distance across the river.

Using trigonometric identity of tangent:

tan\theta = \dfrac{Perpendicular}{Base}

tan 70 = \dfrac{d}{x}\\\Rightarrow x = \dfrac{d}{tan70} = 0.36d ..... (1)

Now, let us have a look at another right angled triangle ABD:

Let us consider \triangle ABC:

\angle B = 90^\circ\\\angle ADB = 180-150 = 30^\circ

side AB = d ft and side BD = x+75 ft

Using trigonometric identity of tangent:

tan\theta = \dfrac{Perpendicular}{Base}

tan 30 = \dfrac{d}{x+75}\\\text{Using equation (1)}:\\0.577 = \dfrac{d}{0.36d+75}\\\Rightarrow 0.207d + 43.27 = d\\\Rightarrow 0.793d = 43.27\\\Rightarrow d \approx 54.82\ ft

Correct answer is 54.82 ft.

7 0
3 years ago
Factor x^4+2x^3−2x−1 completely
goblinko [34]
1) Factor out common terms in the first two terms, then in the last two terms
{x}^{3}(x+2)-2(x+2)

2) Factor out the common term x+2
(x+2)({x}^{3}-2)

Done!
5 0
3 years ago
Pls answer asap, show work pls :(
coldgirl [10]

Answer:

2.Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form: ( 3 , 5 )

Equation Form: x = 3 , y = 5

3.Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form: ( 2 , 8 )

4.Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form: ( 2 , − 3 )

Step-by-step explanation:

6 0
3 years ago
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