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2 years ago

The equation y = 10x + 15 represents a gym that charges. What is the slope and y-intercept?

Mathematics

1 answer:

ICE Princess25 [194]2 years ago

8 0

Slope is 10 and y-intercept is 15

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Which ordered pairs is a solution to −5x + 3y > 12?

In-s [12.5K]

Answer :-

Given inequality ,

-5x +3y > 12
3y > 5x + 12
y > 5/3x + 12/3
y > 5/3x + 4

From the options ,

When x is 3 and y = 9

y >1* 5 + 4
y > 5 +4
9> 9 ( Not possible )

When x is -5 y is 5

y > 5/3*-5 + 4
y > -8.3 + 4
5 > -3.7 ( Possible )

When x is 3 y is -6

y > 5 + 4
-6 > 9 ( Not possible )

When x is -2 y is -5

y > -3.33 + 4
-5 > -0.67 ( Possible )

When x is 2 y is 8

y > 3.33 + 4
8 > 7.77 ( possible )

When x is -6 y is 0

y > -10 +4
0 > -6 ( possible )

7 0

2 years ago

Read 2 more answers

For all real numbers x and y, if x # y = x(x-y), then x # (x # y) =

kati45 [8]

$x\#y=x(x-y)\\\\x\#(x\#y)\\\\x\#y=x(x-y)=x^2-xy\\\\x\#(x\#y)=x\#(x^2-xy)=x[x-(x^2-xy)]=x(x-x^2+xy)\\\\=x^2-x^3+x^2y$

$x^2-x^3+x^2y=8\\\\x^2(1-x+y)=8\\\\x^2(1-x+y)=2^2\cdot4\iff x^2=2^2\ and\ 1-x+y=4\\\\x=2\ and\ y=4-1+x\\\\x=2\ and\ y=3+2\\\\x=2\ and\ y=5$

8 0

3 years ago

Read 2 more answers

In 5 years' time, Kate's father will be 3 times as old as Kate. Four years ago, her father

Brut [27]

Answer: Kate = 40/3 Her father = 50

Step-by-step explanation:

Let Kate's age in the present be K

And Kate's father's age in the present be F

3(K+5) = F+5

6(K-6) = F-6

Rearrange the first equation to get

3K+15 = F+5

3K+10 = F

Substitute that into the second question

6K-36 = 3K+10-6

3K = 40

K = 40/3

So F = 3*40/3+10 = 50

8 0

2 years ago

A bus company is replacing all the old seats in its buses with new ones. The company owns 15 buses and each bus has 22 seats. It

Pachacha [2.7K]

Answer:

30112.50. 15x22x91.20+26.50

3 0

1 year ago

Matt scored 5 runs in each of the 3 baseball games that he had this week. How many runs did Matt score this week?

hram777 [196]

15 because he scores 5 runs I n each of the 3 games he played so you do 5x3=15.

3 0

1 year ago