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Aliun [14]
3 years ago
14

I need a bit help im new to this math stuff

Mathematics
1 answer:
kompoz [17]3 years ago
3 0

Answer:

I think it is the 3rd one

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Graph of line going through ordered pairs (0, 300) and (450, 0)
Sunny_sXe [5.5K]
The equation would be y=2/3x+300
4 0
3 years ago
The hypotenuse of a right triangle is 7 feet long. One leg is 4 feet longer than the other. Find the lengths of the legs, Round
Andrews [41]

Answer:

Shorter leg = 2.5 ft.

Longer leg = 6.5 ft.

Step-by-step explanation:

a^2 + b^2 = c^2

Because the hypotenuse = 7 ft, a^2 + b^2 = 49

To represent the two legs, we can use x and x+4.

x^2 + (x+4)^2 = 49

Simplifying this equation using FOIL gives us 2x^2 + 8x - 33 = 0.

Then, using the quadratic formula, we find that x = 2.5.

Thus, the shorter leg is 2.5 ft. and, when 4 is added, the longer leg is 6.5 ft.

5 0
2 years ago
What is the general equation of a cosine function with an amplitude of 3, a period of 4 pi, and a horizontal shift of negative p
liberstina [14]

The cosine function with the given characteristics is:

f(x) = 3*cos(x/2 - pi).

<h3>How to get the cosine function?</h3>

The general cosine function is:

f(x) = A*cos(kx + p)

Where A is the amplitude and p is the phase, then we know that:

A = 3

p = -pi

Then we have:

f(x) = 3*cos(kx - pi)

And the period is equal to 4pi, then we must have that:

k*(x + 4pi) - pi = k*x - pi + 2pi

k = 1/2

Then the function is:

f(x) = 3*cos(x/2 - pi).

If you want to learn more about cosine functions:

brainly.com/question/4372174

#SPJ4

3 0
2 years ago
What is the volume, in cubic inches, of a basketball with a diameter of 9 inches?
nlexa [21]

Answer:

381.70350741116 inches^3

Step-by-step explanation:

4/3 πr^3 = 4/3 x π x 4.5^3 = 381.70 inches ^3

5 0
3 years ago
The slopes of the perpendicular lines are ____.
Veseljchak [2.6K]

Answer:

a) negative reciprocals

Step-by-step explanation:

8 0
2 years ago
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