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Aleks04 [339]
2 years ago
9

I need help on what a slope and y-intercept and how to find the equation

Mathematics
1 answer:
IrinaVladis [17]2 years ago
3 0

Answer:

y=mx+b is the slope intercept form.

Step-by-step explanation:

m is the slope (how the line is moving across the graph)

b is y-intercept (where the line crosses the y axis)

Hope this helps!

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Solve the system of equations below. <br> 5x + 2y = 9<br> 2x - 3y = 15
riadik2000 [5.3K]

Answer:

(3,-3)

y= -3

x= 3

Step-by-step explanation:

5x+2y=9

2x-3y=15

solve the equation

x=9/5-2/5y

2x-3y=15

substitute the value of x into an equation

2(9/5-2/5y)-3y=15

distribute

18/5-4/5y-3y=15

subtract -4/5 to -3

18/5-19/5y=15

subtract 18/5 from both sides

-19/5=57/5

divide both sides by -19/5

y= -3

substitute the value of y into an equation

x=9/5-2/5(-3)

distribute

x=9/5+6/5

add 9/5 to 6/5

x=3

--------

(3,-3)

--------

3 0
3 years ago
-2 as a percentage,Fraction and decimal
AlekseyPX

Answer:

-200%, -2, and -2. those are the answers in order

3 0
3 years ago
Read 2 more answers
Kelly buys shoes with all her money. She only has $150. One pair of shoes is $40. The other 2 pairs are for her sisters they are
irina1246 [14]

Answer:

$55

Step-by-step explanation:

its $150 - $40 = $110

$110 / 2 = $55

3 0
3 years ago
Read 2 more answers
Solve, using linear combination.<br><br> 3x – y = 4<br> 2x + y = 6
BlackZzzverrR [31]
X=2
y=2
hope this helps
ps. tiger algebra is a really good website!
5 0
3 years ago
Sam baby-sat for x hours and earned $75. If he baby-sits for y more hours at the same rate, his total earnings will be $100. Whi
77julia77 [94]

The situation can be modeled with the linear equation:

$75 + y*($75/x) = $100

<h3>Which of the following equations represents this situation? </h3>

We know that if she wors for x hours, she earns $75.

This means that the amount that she gets per hour is:

R = $75/x.

Now, if she works y more hours, then she gets another $25 (for a total of $100).

We can write this as a linear equation:

y*($75/x) = $25

We can rewrite this as:

$75 + y*($75/x) = $100

So the correct option is B.

If you want to learn more about linear equations:

brainly.com/question/1884491

#SPJ1

5 0
2 years ago
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