3 years ago

If 42% of a number N is 8.4, what is the value of N?

Mathematics

1 answer:

vfiekz [6]3 years ago

6 0

Answer:

Step-by-step explanation:

1% = .2 so 100%=20

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Find the constant of proportionality for the table and write in the form y = kx.

atroni [7]

Answer:

y=4x

Step-by-step explanation:

it's enough to use first column (x=6, y=24). Inserting this data into equation y=kx, we can calculate k.

24=k*6

6k = 24

k = 24/6

k = 4

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3 years ago

Please respond in detail

Serggg [28]

Answer:

No.

Step-by-step explanation:

As x increases 2^x will grow faster than 5 x^2. This is because the x in 2^x is an exponent and its graph grows very steeply compared with 5x^2 , as x increases.

For example when x = 10

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2^x = 2^10 =1024

When x = 11:

5x^2 = 605

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3 years ago

Karen purchased a DVD player on sale. The original selling price was $171.50. The sale price was $145.22. What is the first st

Kaylis [27]

Answer:

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Step-by-step explanation:

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3 years ago

What is the reference angle for cos 2pie/3

kirill [66]

Answer:

Step-by-step explanation:

If your mind works better in degrees than it does radians, as does mine, it will be beneficial to us to see what degree measure this angle is. Convert it to degrees using the fact that 180° = π:

$\frac{2\pi}{3}*\frac{180}{\pi}=120$ degrees

Now that we know that, we can plot that angle in a coordinate plane. The terminal side of the angle lands in quadrant 2. To find the reference angle, we subtract 120 from 180 and get that the reference angle is 60 degrees, which is the same as π/3.

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3 years ago

Suppose that F(x)=x3 and G(x)=-5x3+2 which statement best compares the graph of g(x) with the graph of F(x)

eimsori [14]

Answer:

The graph of G(x) is the graph of F(x) stretched vertically, flipped over the x-axis, and shifted 2 units up

Step-by-step explanation:

I like math.

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2 years ago