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Paladinen [302]
2 years ago
8

Pls help I’ll brainlest and add extra points do 1-7

Mathematics
1 answer:
Andreyy892 years ago
8 0

Answer:

Step-by-step explanation:

rational numbers end but irrational numbers goes on. example the value of π never ends it goes on 3.14....

1. -1 is rational

2. is irrational because it goes on forever 0.333333...... a bar on top means it never ends.

3. -4.8 is rational because it ends at 8.

4. \sqrt{16} is rational because its root of 16 is 4 which is a definite value.

5. -20/4 = -5. it is rational because its value is -5 and its a definite value.

6. 7/1239 = is indefinite becuse its value does on forever 7/1239 is 5.649715...

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Write the equation of the line that passes through the points (2,−8) and (1,7). Put your answer in fully reduced point-slope for
ValentinkaMS [17]

Point-slope form of equation is: y - 7 = -15(x-1)

Step-by-step explanation:

Given points are:

(2,-8) and (1,7)

First of all we have to calculate the slope of the line

so,

m=\frac{y_2-y_1}{x_2-x_1}\\= \frac{7-(-8)}{1-2}\\=\frac{7+8}{-1}\\=\frac{15}{-1}\\= -15

Point-slope form is given by:

y-y_1 = m(x-x_1)

Putting the value of slope

y-y_1 = -15(x-x_1)

We can put any one of two given points in the equation to find the final form of point-slope form

So

Putting (1,7) in the equation

y - 7 = -15(x-1)

Hence, point-slope form of equation is: y - 7 = -15(x-1)

Reducing and simplifying

y - 7 = -15(x-1)\\y-7 = -15x+15\\y-7+7 =-15x+15-7\\y = -15x+8\\15x+y = 8

Keywords: Point-slope form, equation of line

Learn more about equation of line at:

  • brainly.com/question/6200750
  • brainly.com/question/568302

#LearnwithBrainly

8 0
3 years ago
PLEASE HELP
Kitty [74]

Answer:

542.50

Step-by-step explanation:

Given:

Least square regression equation :

y = 102.50 + 0.65x + residual

y = predicted fare

x = distance in miles

Intercept = 102.50

Slope = 0.65

Distance in miles, x = 500 miles

y = 102.50 + 0.65(500) + 115

y = 102.50 + 325 + 115

y = 427.5 + 115

y = 542.50

6 0
2 years ago
Read 2 more answers
I need help please.....
fgiga [73]

Answer:

C

Step-by-step explanation:

Move the decimal to the right 4 times

7 0
3 years ago
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natita [175]

You are correct in thinking that the columns of the first matrix must match with the rows of the second matrix.

So for example, we can multiply a 1 x 5 matrix with a 5 x 7 matrix. The two matching '5's are directly what make multiplication possible in this case. For your problem, the first two '3's match and multiplication is possible.

The rows of the first matrix don't need to match with the columns of the second matrix.

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What is the greatest common divisor of 1665,4554,1683, and 4050?
Vsevolod [243]
nine is the greatest common factor.
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