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Diano4ka-milaya [45]
3 years ago
8

How do you find the slope by knowing what two coordinates it passes by

Mathematics
1 answer:
klio [65]3 years ago
8 0

Answer:

Step-by-step explanation:

The slope is the change in x divided by the change in y, so the equation is \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }.

For example, use the coordinates (1, 2) and (2, 4):

The slope is \frac{4-2}{2-1} =2.

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Zeroes of polynomial p(x)=2x^2-9-3x are :​
Tju [1.3M]

Answer:

x = - \frac{3}{2}, x = 3

Step-by-step explanation:

To find the zeros let p(x) = 0 , that is

2x² - 3x - 9 = 0

Consider the factors of the product of the x² term and the constant term which sum to give the coefficient of the x- term.

product = 2 × - 9 = - 18 and sum = - 3

The factors are - 6 and + 3

Use these factors to split the x- term

2x² - 6x + 3x - 9 = 0 ( factor the first/second and third/fourth terms)

2x(x - 3) + 3(x - 3) = 0 ← factor out (x - 3) from each term

(x - 3)(2x + 3) = 0

Equate each factor to zero and solve for x

2x + 3 = 0 ⇒ 2x = - 3 ⇒ x = - \frac{3}{2}

x - 3 = 0 ⇒ x = 3

4 0
3 years ago
Mister Parts recorded the number of absent students at Brighton Middle School last week what was the mean number of absent stude
serg [7]

A. 8.8 students per day on average were absent.

1) If the absence recorded was:

On Monday: 11

On Tuesday: 9

On Wed: 6

On Thu: 9

On Fri: 9

2) Since the number of weekdays were 5 we can calculate the mean of absent students by adding all those absences and dividing by 5

So, 11+9+6+9+9+9 =44

Dividing by 5

So the mean or the average of the absence was 8.8

6 0
2 years ago
Can you tell me the real-world problem?
damaskus [11]
I made 24 street tacos.
Each of my friends gets 3 of these bomb tacos.
How many of my friends are great enough to eat my tacos?

To solve the problem:
24/y=3
Multiply by y on each side. 
24=3y
Divide by 3.
8=y

Hope this helps!
3 0
4 years ago
What is 0.25 kilometers expressed in centimeters?
Agata [3.3K]
Knowing the fact:
1 km = 1000m
1 m = 100cm

We can calculate:
0.25 km = 0.25 * 1000m = 250m = 250 * 100cm = 25 000cm
4 0
3 years ago
7,000 is ten times as much as what number
Nezavi [6.7K]
700. To find out what number a value is ten times as much as, divide by 10.
5 0
4 years ago
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