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ValentinkaMS [17]
2 years ago
10

Explain what the acronym PEMDAS means and how you use it when evaluating expressions.​

Mathematics
1 answer:
netineya [11]2 years ago
4 0
It mean Parentheses-exponents-multiplication/division-addition/subtraction and it is the order you do multi step equations
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Write the equation of the line that passes through (2, 4) and has a slope of –1 in point-slope form.
Tems11 [23]
Y - y1 = m(x - x1).....this is point slope form
slope(m) = -1
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3 years ago
What is the constant of variation k of the line y=kx through (5,8)
mina [271]

Answer:

k= 8/5

Step-by-step explanation:

here x= 5 and y= 8

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8 0
3 years ago
Read 2 more answers
I really don't understand this I need help
Salsk061 [2.6K]
In looking at it I would guess it is asking which of the points is on the line? To answer that you would have to take each point an plug it into the equation and see if it is true.

3x - 7 = y

A(9,20)  
3(9) - 7 = 20
27 - 7 = 20
20 = 20 True - this point is on the line

B(5,0)
3(5) - 7 = 0
15 - 7 = 0
8 = 0 False - this point is not on the line

C(3,2)
3(3) - 7 = 2
9 - 7 = 2
2 = 2  True - this point is on the line

I hope this helps
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Answer:

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Step-by-step explanation:

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