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melomori [17]
3 years ago
7

Determine whether the pair of equations represent parallel lines, perpendicular lines, or neither.

Mathematics
1 answer:
Ivahew [28]3 years ago
6 0

Answer:

Parallel

Step-by-step explanation:

Parallel lines have the same slope but different y-intercepts. If you multiply the top equation by 2, you get:

2(12x + 4y = 16)

24x + 8y = 32

This shows that both lines have the same slope, but then you find the y-intercepts, they are different:

1st equation y-int = 4

2nd equation y-int = 9/2 or 4.5

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If a cube has a volume of 27mm3,<br> what is the length of one side?
Alexandra [31]

Answer:

Step-by-step explanation:

4 0
3 years ago
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Explain how using basic facts can help you find 10×20×30×40 mentally?
Katena32 [7]
So all you have to do is take the first numbers of each multiple and multiply them. 
1 x 2 x 3 x 4 = 24 
Now you just add the 4 zeros to your answer. 
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Our answer even checks! 
10 x 20 x 30 x 40 = 240,000 

Good Luck! :)
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3 years ago
Is order of operations and number of operations the same thing?
KonstantinChe [14]
No order of operations is what you might know as Pemdas ,number of Operations is something iv'e never heard of.
7 0
3 years ago
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If x = 5, find the value of<br> a) x2<br> b) (x + 3)2
PtichkaEL [24]

Answer: a) = 10

b) = 16

Step-by-step explanation:

a) as x = 5 so putting the value of x in given equation

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b) Putting value of x in given equation

= (5 + 3) 2

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3 0
3 years ago
Kasey and her sister both sold cookie dough. Her sister sold three times as many tubs of cookie dough. If they sold a total of 8
Rufina [12.5K]
X= number of tubs Kasey sold
3x= number tubs sister sold

Add the number sold by Kasey and her sister to equal the total sold (88).

x + 3x= 88
combine like terms

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divide both sides by 4

x= 22 number tubs Kasey sold


Number Sold by Sister
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CHECK:
x + 3x= 88
22 + 3(22)= 88
22 + 66= 88
88= 88


ANSWER: Kasey sold 22 tubs and her sister sold 66 tubs.

Hope this helps! :)
7 0
3 years ago
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