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ZanzabumX [31]
3 years ago
10

4$ is what percent of 50$ ?

Mathematics
2 answers:
Naddik [55]3 years ago
6 0
$4 is 8% of $50, because percent is out of 100, so 4 out of 50 is the same percent as 8 out of 100, as it is doubled, so 8% is the answer.
djyliett [7]3 years ago
5 0
8 percent. The answer to 4$is what percent of 50$ is 8%



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Classify each of the power functions based on their end behavior (increasing or decreasing) as x = ∞
Svetlanka [38]

Answer: right side behavior:

              f(x) is Decreasing

             g(x) is Increasing

             h(x) is Increasing

             j(x) is Decreasing

<u>Step-by-step explanation:</u>

The rules for end behavior are based on 2 criteria: Sign of leading coefficient and Degree of polynomial

<u>Sign of leading coefficient</u> (term with greatest exponent):

  • If sign is positive, then right side is increasing
  • If sign is negative, then right side is decreasing

<u>Degree of polynomial</u> (greatest exponent of polynomial:

  • If even, then end behavior is the same from the left and right
  • If odd, then end behavior is opposite from the left and right

f(x) = -2x²

  • Sign is negative so right side is decreasing
  • Degree is even so left side is the same as the right side (decreasing)

as x → +∞, f(x) → +∞  Decreasing

as x → -∞, f(x) → -∞   Decreasing

g(x) = (x + 2)³

  • Sign is positive so right side is increasing
  • Degree is odd so left side is opposite of the right side (decreasing)

as x → +∞, f(x) → +∞  Increasing

as x → -∞, f(x) → -∞   Decreasing

h(x)=-1+x^{\frac{1}{2}}\implies h(x)=x^{\frac{1}{2}}-1  

  • Sign is positive so right side is increasing
  • Degree is an even <u>fraction</u> so left side is opposite of the right side as it approaches the y-intercept (-1)

as x → +∞, f(x) → +∞  Increasing

as x → -∞, f(x) → -1    Decreasing to -1

j(x)=\dfrac{1}{2}(-x)^5\implies j(x)=\dfrac{1}{2}(-1)^5(x)^5\implies j(x)=-\dfrac{1}{2}x^5

  • Sign is negative so right side is decreasing
  • Degree is odd so left side is opposite of the right side (increasing)

as x → +∞, f(x) → +∞  Decreasing

as x → -∞, f(x) → -∞   Increasing

6 0
4 years ago
Find the measure of angle x in the figure below:
lidiya [134]

Answer:

I took the Test it is 72

3 0
3 years ago
mr morris needs two students to help with a demonstration for her class of 12 girls and 14 boys. She randomly chooses two studen
IRISSAK [1]
The class starts out with 26 students, of whom 12 are girls and, perhaps unlike Mr Morris, are sure of it. The probability of the first random choice being a girl is 12/26. If successful, there are now 25 students left, of whom 11 are girls. The probability of a girl on the 2nd random choice is 11/25. The probability that BOTH random choices are successful is (12/26) x (11/25). That's (132/650), or about 20.31% (rounded).
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3 years ago
Help plz. It's long division
Anit [1.1K]
OOOOH my favorite LONG DIVISION but anyways the answer is 164.4
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Read 2 more answers
Find the area of the figure to the nearest tenth
schepotkina [342]

Answer:

A

Step-by-step explanation:

This is a sector of a circle measuring 140° and the circle has radius 9 inches.

We can use the formula for the area sector of a circle to figure this out.

Area of a Sector of a Circle = \frac{\theta}{360}*\pi r^2

Where

\theta is the intercepted angle (here it is 140), and

r is the radius (here it is 9)

<em>plugging into the formula, we get:</em>

<em>A=\frac{\theta}{360}*\pi r^2\\=\frac{140}{360}*\pi (9)^2\\=\frac{7}{18}*81\pi\\=98.96</em>

rounding to nearest tenth, it is 99.0 inches squared.

Option A is right.

7 0
4 years ago
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