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sveta [45]
3 years ago
6

30 is 20% of what number?​

Mathematics
1 answer:
Nataly [62]3 years ago
6 0
30 is 20% of 150. Hope this pic helps

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Find the slope of every line that is parallel to the line on the graph.​
melamori03 [73]

Answer:

-1/5

Step-by-step explanation:

What are parallel lines?

Lines that are parallel never touch. They can extend infinitely and they will still never touch. In order for this to happen the slope of the two lines must be the same. So if we want to find the slope of every line that is parallel to the line on the graph, we simply find the slope of the line of the graph.

Finding the slope

We can find the slope using the following formula:

Slope=\frac{y_2-y_1}{x_2-x_1}

Where the x and y values are derived from any given points on the line (x1,y1) and (x2,y2)

Here the given points are (-5,-1) and (0,-2)

So we have (x1,y1) = (-5,-1) meaning x1 = -5 and y1 = -1

We also have (x2,y2) = (0,-2) meaning x2 = 0 and y2 = -2

Now we plug these values into the formula

Recall formula : Slope=\frac{y_2-y_1}{x_2-x_1}

==> Plug in x1 = -5 , y1 = -1 , x2 = 0 and y2 = -2

Slope=\frac{-2-(-1)}{0-5}

==> simplify numerator and denominator

slope = \frac{1}{-5}

So the slope of the line is -1/5

This means the slope of any parallel line to that line would also have a slope of -1/5

8 0
2 years ago
Please help! i don't know what to do
Strike441 [17]

Answer:

0.5* sin(x)

Step-by-step explanation:

As well known  sin (2A)= 2sin(A)*cos(A)

As in our case A=x/2  => cos(x/2*sin(x/2)=1/2*sin(x)=0.5*sin(x)

6 0
3 years ago
Brandon works at a small petting zoo with 8 animals he was looking at some data showing the masses of the animals each animal ha
Minchanka [31]

Answer:

B

Step-by-step explanation:

3 0
2 years ago
For which values of x is the inequality 2x + 19 ≥ 3x– 19 true?
hram777 [196]
Answer: C
X < 38
I hope this helped
5 0
2 years ago
Write the percent as a fraction or mixed number in simplest form. 12% =
sweet [91]
The fraction of 12% is 3/25ths and the decimal to 12% is 0.12
8 0
2 years ago
Read 2 more answers
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