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3 years ago

What is the equation of this line?

Mathematics

1 answer:

cricket20 [7]3 years ago

8 0

Answer:

y=1/2x-2

Step-by-step explanation:

the line is at its y-intercept at (0,-2) letting you know that there will be a -2 after the X.

the line is going up 1 vertical box every 2 horizontal boxes letting you know that the slope is 1/2x

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Solve the inequality:-3x-4/7 >5

Aliun [14]

x < - $\frac{13}{7}$

add $\frac{4}{7}$ to both sides

- 3x > $\frac{4}{7}$ + $\frac{35}{7}$

- 3x > $\frac{39}{7}$ ( divide both sides by - 3 )

note that when we divide/ multiply by a negative quantity we must reverse the inequality symbol

x < - $\frac{13}{7}$

6 0

3 years ago

The coordinates of a point and its images are given. Is the reflection in the

Lemur [1.5K]

Answer:

The reflection is in the y-axis cause the y point went from -7 to 7 and the x point stayed the same.

4 0

3 years 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

Substitute y = 2x + 1 y = 3x - 1

Svet_ta [14]

2x+ 1 = 3x - 1 ;
1 + 1 = 3x - 2x ;
2 = x ;
x = 2 ;
Then, y = 2x2 + 1 = 5 ;

4 0

3 years ago

How to solve for x 2+9x^2=6

juin [17]

Answer:

The answer is : 2/3

Step-by-step explanation:

2+9x^2=6

9x^2 = 6 - 2

9x^2 = 4

x^2 = 4/9

x = √(4/9)

x = 2/3

4 0

3 years ago