2 years ago

Find the inverse for each relation:

Mathematics

1 answer:

Neporo4naja [7]2 years ago

6 0

Answer:

{(-2,1),(3,2),(3,3),(2,4)}
{(2,4),(1,5),(0,6),(-1,7)}

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Pls answer this and I will mark it as brainlisti

Anna11 [10]

Answer:$2175

Step-by-step explanation:

set up an equation

15x+675

15(100) +675= 2175

15 is the additional cost per person

675 is the renting fee for the building

100 is the number of people attending

Hope this helps

5 0

3 years ago

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7. Write the equation of a line which passes through the points (-3,5) and (6,23)

faust18 [17]

Answer:

answer to the equation is

$y = 2x + 11$

Step-by-step explanation:

$y = mx + b$

first find the slope of the line using the two points

$slope \: m = \frac{y2 - y1}{x2 - x1} = \frac{23 - 5}{6 - ( - 3)} \\ = \frac{18}{9} \\ slope \: m = 2$

substitute 2 for m and use one of the points for x and y and solve for b

$5 = 2( - 3) + b \\ 5 = - 6 + b \\ 5 + 6 = b \\ b = 11$

Now that you found b, the y-intercept, you can substitute that into the equation for your line

$y = 2x + 11$

7 0

3 years ago

Four times a number added to 9 times the number is 65. What is the number?

MA_775_DIABLO [31]

Answer: 5

Step-by-step explanation:

Let the number = x.

4x + 9x = 65

13x = 65

x = 5

6 0

2 years ago

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It requires a minimum of ____ points to make up a plane

baherus [9]

Answer:

Explanation: A plane contains at least three non-collinear points. If two points lie in a plane, then the line containing them lies in the plane. If two planes intersect, then their intersection is a line.

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2 years ago

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Rosena bought an 8 pack of donuts. The donuts cost $28.00 all together. What is the unit rate for the donuts in dollars?

san4es73 [151]

Answer:

$3.50

Step-by-step explanation:

I hope this helps!

3 0

2 years ago

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