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pav-90 [236]
3 years ago
10

21 is 30% of what number?

Mathematics
2 answers:
WARRIOR [948]3 years ago
5 0

<u>Answer</u>:

21 is 30% of 70

<u>Explanation</u>:

We know that 100% is the original number.

Equation:

(21/30)*100

21/3 * 10

7 * 10

70 ....this is the answer, original number.

jonny [76]3 years ago
5 0

Answer:

70 i belive

Step-by-step explanation:

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Use the given graph to determine the limit, if it exists. (4 points)
skelet666 [1.2K]
<h3>Answer:  3</h3>

Explanation:

Refer to the graph below. It should be similar to what your teacher gave you, based off the description.

Since we're approaching 3 from the right side, this means we'll be working with the horizontal line portion. We could start at something like x = 3.2 and move closer to 3 by getting to x = 3.1 then x = 3.01 then x = 3.001 and so on. We never actually get to 3 itself.

As x gets closer to 3 from this direction, the y values are approaching 3 since every point on this horizontal line has the same y coordinate. Technically the y value is already at 3, but it's the same idea.

In terms of notation, we can write \displaystyle \lim_{x\to3^{+}}f(x) = 3

The portion x \to 3^{+} means we're approaching 3 from the positive side, aka the right hand side on the number line.

8 0
2 years ago
Question 1 (Essay Worth 10 points)
il63 [147K]

Answer:

Part A. x = 1/26 Part B. x = 1/50

Step-by-step explanation:

Solve for x:

26 x = 1

Divide both sides by 26:

Answer:  x = 1/26

___________________

Solve for x:

50 x = 1

Divide both sides by 50:

Answer:  x = 1/50

8 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Ctext%7BSolve%20the%20system%20of%20equations%3A%7D%5C%5C%5C%5C%5Cleft%20%5C%7B%20%7B%7By%3D
Anika [276]

Hi there!  

»»————- ★ ————-««

I believe your answer is:  

(0.286, 5.587)

»»————- ★ ————-««  

Here’s why:  

⸻⸻⸻⸻

  • I have graphed the two equations in a program. When graphed, the lines intersect at point (0.286, 5.587).
  • See the graph attached.

⸻⸻⸻⸻

»»————- ★ ————-««  

Hope this helps you. I apologize if it’s incorrect.  

4 0
3 years ago
Match the mean, median, mode, and range for the data set below. 2, 7, 8, 4, 8, 2, 5, 5, 7, 2
dusya [7]

Answer:

Mean - 5

Median - 5

Mode - 2

Range - 6

Step-by-step explanation:

Mean-

If you add 2 + 7 + 8 + 4 + 8 + 2+ 5+ 5+ 7 +2= 50

50 divided by 10 (the amount of numbers in the equation) = 5 for the mean

Median-

Put the numbers in order which is

2,2,2,4,5,5,7,7,8,8 and the number is the middle is 5

Mode-

The number that repeats the most is 2

Range-

The largest number is 8 and the smallest number is 2 so 8-2=6

5 0
3 years ago
Triangle ABC is similar to DEF . What is the value represents line ABC
klasskru [66]

There are a couple of things about this question that bother me.

1).  BOB11111111 copied the question but didn't take the time to give us
the picture that goes with it.  That bothers me.

2).  If ABC is a triangle, then ABC cannot be a line.  That also bothers me.

As it is, there's no way for anyone to answer the question without more
information than what we have here.

3 0
3 years ago
Read 2 more answers
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