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Aneli [31]
3 years ago
12

What equation is graphed in this figure?

Mathematics
2 answers:
romanna [79]3 years ago
8 0

To find equation of the line we need to find out the slope and y intercept

Y intercept is the point where the graph crosses y axis.

In the graph , y intercept is (0,1). so we can also say y intercept is 1.

Now we find out the slope

To find slope we need two points

Lets pick two points from the graph

(0,1) and (-2,4)

Slope m = \frac{y_2-y_1}{x_2 - x_1} =\frac{4-1}{-2 - 0}

m = \frac{-3}{2}

Now we find the equation of the line.

We use y= mx + b

Where m is the slope ( we got m = \frac{-3}{2})

and b is the y intercept ( y intercept is 1 we got)

Replace the values in y=mx+b

y = \frac{-3}{2} x + 1

The equation graphed in the figure is y = \frac{-3}{2} x + 1


Semmy [17]3 years ago
5 0

-3/2 that's the answer idk what else to say lol.

                                                                 

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2 years ago
If side A is twice as long as B and C is 25 using the Pythagorean Theorem,What are the lengths of side A and B? Round to the nea
777dan777 [17]

Answer:

<u>The lengths of side A is 22.4 and B is 11.9</u>.

Step-by-step explanation:

Given:

If side A is twice as long as B and C is 25 using the Pythagorean Theorem.

Now, to find the lengths of side A and B.

Let the side B be x.

So, the side A be 2x.

Side C = 25.

Now, to solve by using Pythagorean Theorem:

A² + B² = C²

(2x)^2+(x)^2=(25)^2

4x^2+x^2=625

5x^2=625

<em>Dividing both sides by 5 we get:</em>

x^2=125

<em>Using square root on both sides we get:</em>

x=11.18.

<u>B rounding to the nearest tenth =  11.9.</u>

Now, to get A by substituting the value of x:

2x\\=2\times 11.18\\=22.36.

<u>A rounding to the nearest tenth =  22.4.</u>

Therefore, the lengths of side A is 22.4 and B is 11.9.

8 0
3 years ago
At a party, 75% of the people are adults and 25% are children. What is the simplest ratio of adults to children?
mr_godi [17]

0.3:0.1

Step-by-step explanation:

first convert the % to decimals.

75%=0.75

25%=0.25

then look for a common factor and divide be that, in this case its 5.

0.75/5=0.15

0.25/5=0.5

now since these arent in the simplified form, you gotta divide again by 5.

0.15/5=0.3

0.5/5=0.1

3 0
1 year ago
Suppose an airport metal detector catches a person with metal 99% of the time. That is, it misses detecting a person with metal
frozen [14]

Answer:

The probability of missing the first metal-carrying person is P(x≤50)=0.395

Step-by-step explanation:

We define as success to: missing metal carrying detection.

p=0.01

P(x)=\frac{n!}{x!(n-x)!} p^x(1-p)^{n-x}

We look for the probability when all metal carring people is detected so x=0

P(x≤50)=1-P(x=0)=1 - 0.99^{50}=0.395

6 0
3 years ago
What is the slope of the line that<br> asses through these two points?<br> (1, -2)<br> (3, 4)
dusya [7]

(\stackrel{x_1}{1}~,~\stackrel{y_1}{-2})\qquad (\stackrel{x_2}{3}~,~\stackrel{y_2}{4}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{4}-\stackrel{y1}{(-2)}}}{\underset{run} {\underset{x_2}{3}-\underset{x_1}{1}}}\implies \cfrac{4+2}{2}\implies \cfrac{6}{2}\implies 3

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2 years ago
Read 2 more answers
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