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alexdok [17]
3 years ago
15

Examples of Trigonometry

Mathematics
2 answers:
Strike441 [17]3 years ago
8 0
Hope this picture helps you

frutty [35]3 years ago
4 0

Answer:Finding the length of a flagpole when you know 2 angles and the length of the shadow

Step-by-step explanation:

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1+3x=x+9 solve for x.. Help?
anzhelika [568]

Answer: <em>x=4</em>

Step-by-step explanation:

<em>1+3x=x+9</em>

<em>   -x  -x</em>

<em>1+2x=9</em>

<em>-1      -1</em>

<em>2x=8</em>

<em>Divide by 2 on each side</em>

<em>Final result</em>

<em>x=4</em>

7 0
3 years ago
Determine if the graph is symmetric about the x-axis, the y-axis, or the origin.<br> r = 9 sin 7θ
boyakko [2]

Answer:

The given function symmetric about the y-axis.

Step-by-step explanation:

The given function is

r=9\sin 7\theta                .... (1)

1. Symmetry about the x-axis: If the point (r, θ ) lies on the graph, then the point  (r,-θ ) or (-r, π - θ ) also lies on the graph.

2. Symmetry about the y-axis: If the point (r, θ ) lies on the graph, then the point (r,π - θ ) or (-r, -θ ) also lies on the graph.

3. Symmetry about the origin: If the point (r, θ ) lies on the graph, then the point (-r, θ ) or (r, π + θ ) also lies on the graph.

Put (r, -θ ) in the given function.

r=9\sin 7(-\theta)=-9\sin 7\theta=-r\neq r

Therefore it is not symmetric about x-axis.

Put (-r, -θ ) in the given function.

-r=9\sin 7(-\theta)=-9\sin 7\theta=-r

Therefore it is symmetric about y-axis.

Put (-r,θ ) in the given function.

-r=9\sin 7(\theta)=r\neq -r

Therefore it is not symmetric about the origin.

3 0
3 years ago
Conner works 8 1/2 hours and earns $80.75. If Zoey makes an hourly rate that is proportional and earns $118.75, how many hours d
Romashka-Z-Leto [24]
Hopes this helps below if it did please say thanks on the button or make me the brainiest:)

3 0
2 years ago
X+y=8 and 3x+2y=14 for soliving system
kumpel [21]
X+y=8
multiply the first equation by 3 to get rid of x
3x+3y=24
3x+2y=14
subtract equation 1 from 2
y=10
substitute to find the value of x
x+10=8
x=-2


7 0
3 years ago
Sarah has a laundry bag in the shape of a cylinder. The area of the bottom of the bag can be written as the function A(x) = x2 -
NNADVOKAT [17]
As we know the volume of a prism is the product of height and base are

H(x)= height, A(x)= Base area 

Thus,
When volume = height(base area )

V(x)= A(x) · H(x)
       = (x²-2)(5)
       = 5(x² -2)
8 0
3 years ago
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