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hammer [34]
3 years ago
14

If four lamps cost $120.00 what is the average cost per lamp?20.0025.0030.0035.0040.00

Mathematics
1 answer:
yanalaym [24]3 years ago
4 0
The cost of 1 lamp is $30
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Describe the motion of a particle with position (x, y) as t varies in the given interval. (For each answer, enter an ordered pai
DerKrebs [107]

Answer:

The motion of the particle describes an ellipse.

Step-by-step explanation:

The characteristics of the motion of the particle is derived by eliminating t in the parametric expressions. Since both expressions are based on trigonometric functions, we proceed to use the following trigonometric identity:

\cos^{2} t + \sin^{2} t = 1 (1)

Where:

\cos t = \frac{y-3}{2} (2)

\sin t = x - 1 (3)

By (2) and (3) in (1):

\left(\frac{y-3}{2} \right)^{2} + (x-1)^{2} = 1

\frac{(x-1)^{2}}{1}+\frac{(y-3)^{2}}{4} = 1 (4)

The motion of the particle describes an ellipse.

7 0
3 years ago
Please answer these 2 questions first to get them right gets brainliest :'(
Dmitriy789 [7]

Answer:

The first one is y = 8 and the second one is y = 4.

Step-by-step explanation:

You plug the numbers in for x and then solve the equations.

5 0
2 years ago
I don't know who needs to hear this but I wanted to hopefully reach out to someone.
Y_Kistochka [10]

Answer:

nice maths question, tho very well appreciated

5 0
3 years ago
Read 2 more answers
Which property is illustrated by equation ax + ay = a(x'+ y) ?
Y_Kistochka [10]
Not sure what x' means but
seems to be the reverse distributive property
normally written as
a(b+c)=ab+ac
we can see the similarity
a(x'+y)=ax+ay


distributive property
6 0
3 years ago
Please help, if you need more info to answer the question please lmk
katrin2010 [14]
I believe this is right but I’m not 100%

7 0
2 years ago
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