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mixer [17]
3 years ago
13

Are the graphs of the lines in the pair parallel? Explain.

Mathematics
1 answer:
jok3333 [9.3K]3 years ago
6 0
So you gotta change the second one to slope int form and it will become -3y=18x-54 which means that it's A because parallel lines can't be parallel if the slopes are different. (pretty sure this is right but who knows)
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If f(x) is discontinuous, determine the reason. f(x)= {x^2 +4, x<=1; x+3, x>1}
tester [92]

Answer:

Observe that f(x) is a continuous function when x1 because is a polynomial. The possible problem may occur in x=1.

Then, f(x) is discontinuous in x=1 if the limits of f to the right and the left of 1 exist and are different or if some of those limits doesn't exist.

Let's calculate the limits:

lim_{x\rightarrow 1^+}f(x)=lim_{x\rightarrow 1}(x+3)=1+3=4

lim_{x\rightarrow 1^-}f(x)=lim_{x\rightarrow 1^-}(x^2+4)=1^2+4=5

Since, lim_{x\rightarrow 1^-}\neq lim_{x\rightarrow 1^+} then f(x) is discontinuous in x=1.

6 0
3 years ago
A certain recipe calls for 2/3 cup of flour. A Chef is making an amount that is 3/5 of the recipe how much flour should chef use
alisha [4.7K]

Answer: 6/15 (2/5)

Step-by-step explanation: Since the problem says 3/5 of the recipe, you have to multiply. 'Of' means to multiply. Multiply both of the fractions across, first the numerators, then the denominators. You will get 6 as your numerator and 15 as your denominator. Reduce the fraction by 3, and your final simplified answer is 2/5.

Hope this helps!

7 0
3 years ago
A store manager combines 2 lb of trail mix that contains some cashew nuts with 30 lb
bekas [8.4K]

Answer:

100%

Step-by-step explanation:

Let  p = percent of cashews in first mix

2p = lb. of cashews in first mix

30(.20) =  6 = lb. of cashews in second mix

32(.25) =  8 = lb. of cashews in the combined mix

So,

lb. of cashews in first mix +  lb. of cashews in second mix = lb. of cashews in the combined mix

2p + 6 = 8

2p = 2

p = 1 = 100%

7 0
2 years ago
Read 2 more answers
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yan [13]

Answer:

-1

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8 0
2 years ago
What are x and y intercepts of the<br> equation 3y + 2x = 6?
Alik [6]

Answer:

x intercept is (3,0)

y intercept is (0,6)

Step-by-step explanation:

5 0
2 years ago
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