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Pepsi [2]
3 years ago
6

How do you write a slope intercept equation for a graph with no points but the intercept is 2?slope is 2. y-int. is -1

Mathematics
1 answer:
navik [9.2K]3 years ago
3 0
Y=mx+b, slope is mx, b is y intercept
y=2x-1
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If you were to solve the following system by substitution, what would be the best
xxMikexx [17]
To solve the two equations simultaneously using the substitution method we need to rearrange one of the equation to make either 'x' or 'y' the subject. 

We can try in turn rearranging both equations and see which unknown term would have been easier to solve first

Equation 2x+8y=12

Making 'x' the subject
2x=12-8y , dividing each term by 2
x=6-4y⇒ (Option 1)

Making 'y' the subject
8y=12-2x, multiply each term by 8 gives
y= \frac{12}{8} - \frac{2}{8}x⇒ (Option 2)

Equation 3x-8y=11
Making 'x' the subject
3x=11+8y, divide each term by 3
x= \frac{11}{3}+ \frac{8}{3}y ⇒ (Option 3)

Making 'y' the subject
8y=3x-11, divide each term by 8
y= \frac{3}{8}x- \frac{11}{8} ⇒ (Option 4)

From all the possibilities of rearranged term, the most efficient option would have been the first option, from equation 2x+8y=12 with 'x' as the subject, x=6-4y





3 0
4 years ago
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Plz help me with this ASAP test due ina fewmin
Shkiper50 [21]

Answer:

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7 0
3 years ago
Trudy bought a $20 prepaid long distance phone card. for every minute that she talks, $0.25 is deducted from her card. The funct
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Answer:

Step-by-step explanation:

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m = -20/-0.25

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3 years ago
What divided by what equals 18
deff fn [24]
18/1 36/2 72/4 ...and many more....
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3 years ago
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