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Lemur [1.5K]
2 years ago
11

Pls help!!! 30 points

Mathematics
2 answers:
Maru [420]2 years ago
7 0

Answer:

D. 2.4x -4.4

Step-by-step explanation:

0.3(4x-8)-0.5(-2.4x+4)

1.2x-2.4-0.5(-2.4x+4)

1.2x-2.4+1.2x-2

2.4x-4.4

ikadub [295]2 years ago
6 0

Answer:

2.4x-4.4

Step-by-step explanation:

0.3(4x-8)-0.5(-2.4x+4)

1.2x-2.4+1.2x-2

2.4x-4.4

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Find the solutions to the equation below.
lapo4ka [179]

Answer:

the answer is D

Step-by-step explanation:

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3 years ago
What is the difference between the formula of the volume of the cylinder and the volume of a cone? What do the formulas have in
Margaret [11]

Answer:

The volume of the cylinder is 3 times the volume of the cone

Step-by-step explanation:

The formula for the volume of the cylinder is given by :

V_{cy}=\pi r^2 h .....(1)

Where

r and h are the radius and the height of the cylinder

The formula for the volume of the cone is given by :

V_{cone}=\dfrac{1}{3}\pi r^2h ...(2)

From equation (1) and (2),

\dfrac{V_{cy}}{V_{cone}}=\dfrac{\pi r^2 h}{\dfrac{1}{3}\pi r^2 h}\\\\=3\\\\V_{cy}=3\times V_{cone}

So, the volume of the cylinder is 3 times the volume of the cone.

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2 years ago
Write the equation of the graph obtained when the graph of y=1/x is compressed vertically by a factor of 0.25, translated 4 unit
Shtirlitz [24]

Answer: The equation is y = 0.25/(x - 4) + 3

Step-by-step explanation:

If we have a function y = f(x)

A compression means that we multiply the function by a factor smaller than 1.

Then the vertical compression by a factor of 0.25 is:

y = 0.25*f(x)

a translation by A units to the right, means that we need to valuate the function in x - A.

So now we have:

y = 0.25*f(x - 4)

A translation in the y-axis means that we need to add a constant to the equation, then if we tralate it by 3 units up, we have:

y = 0.25*f(x - A) + 3

Then, if f(x) = 1/x

Our new equation is:

y = 0.25/(x - 4) + 3

8 0
3 years ago
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Phantasy [73]
Elena's jump was 32 centimeters higher than Liz's jump
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3 years ago
Help PLEASE I need help on this question ASAP!!!!
loris [4]

Answer:

$8

Step-by-step explanation:

14 - 6 = 8

3 0
3 years ago
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