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3 years ago

What is 4/5 11/25 4/50 as a percent?

Mathematics

2 answers:

svp [43]3 years ago

6 0

I believe the 11/25 one would be 44% and 4/50 would be 8%, 4/5 would be 80%. Hope it helps!

DerKrebs [107]3 years ago

5 0

To convert a fraction to a percent, divide the numerator by the denominator, this should give you a decimal. To change it from decimal to a percent, multiply the decimal by 100.

1. 4/5 = 0.8 = 0.8*100 = 80%
2. 11/25 = 0.44 = 0.44*100 = 44%
3. 4/50 = 0.08 = 0.08*100 = 8%

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Are -4 ( x - 6) and -4 • x - 4 • 6 equivalent

tekilochka [14]

Answer:

$no$

Step-by-step explanation:

Lets solve the first half.

$-4 ( x - 6) = -4x + 24$

Second one:

$-4 times x - 4 times 6 = -4x -24$

Now compare.....Not the same right??

So your answer is: $no$

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tamaranim1 [39]

Answer:

The function is injective but nor surjective

Step-by-step explanation:

We see that:

f(x) = x³

For any x₁ and x₂ ∈ N,

f(x) = x₁³ = x₂³ ⇒ x₁ = x₂, both are natural numbers

It it confirmed one-to-one, hence it is injective

Check the surjectivity:

f(x) = y ∈ N

x³ = y
y = ∛x

Let y = 2, then:

2 = x³
x = ∛2 ∉ N

Since x is not natural, the function is not surjective

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2 years ago

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Compare and contrast the absolute value of a real number to that of a complex number.

sveticcg [70]

The absolute value of a real number is a positive value of the number. Which means that the absolute value is the distance from zero of the number line. However, that of the complex numbers is the distance from the origin to the point in a complex plane.

4 0

3 years ago

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Which best expression is the best estimate of the product of 7/8 and 8 1/10

Mars2501 [29]

Answer:

D. 1x8

Step-by-step explanation:

7/8 rounded is 1. And 8 and 1/10 rounder is 8, so therefore your answer is 1x8.

hope this helps! :)

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3 years ago

For the function below, state the x-coordinate of the x-intercept that is located to the fight of the origin.

OLga [1]

Answer:

x = 3

Step-by-step explanation:

It should NOT be "fight of the origin", rather "right of the origin".

Now let's move on to solve the question...

The x-intercept is found by setting the function equal to 0. Thus:

0 = x^3 - 9x

Let's solve this using algebra:

$0=x^3-9x\\0=x(x^2-9)\\0=x(x-3)(x+3)$

Hence, x = -3 and x = 3

The coordinate that is to the right of the origin is the positive one, so x = 3 is the x-intercept we are looking for.

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2 years ago

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