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cupoosta [38]
3 years ago
8

​Yesterday, Jack drove 33 and one half

Mathematics
2 answers:
tangare [24]3 years ago
5 0

Answer:

His car runs 26.8 miles per gallon.

Step-by-step explanation:

Divide to get the unit rate:

33.5 mi

------------- = 26.8 mpg

1.25 gal

borishaifa [10]3 years ago
3 0

change each mixed number to an improper fraction

33 1/2 = (2*33 +1)/2 67/2

1 1/4 = (4*1+1)/4 = 5/4

67/2 divided by 5/4

copy dot flip

67/2 * 4/5

268/10

26 8/10

26 4/5 miles per gallon

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Use the functions to answer the question.
Lelechka [254]

Answer:

3 and 9

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Step-by-step explanation:

So when we are looking for the intersection of two functions, we are trying to figure out when they are the same.  When you think same, you should think equal (=).

So we want to find when f(x)=g(x) for x.

f(x)=g(x)

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Let's get everything to one side.

Subtracting 12x and adding 14 to both sides.

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I'm going to reorder the left hand side and also simplify the 13+14 part:

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Now since the coefficent of x^2 is just 1 our job is to find two numbers that multiply to be 27 and add up to be -12.

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So the factored form of our equation is

(x-3)(x-9)=0

Since the product is 0, then at least one of the factors must be 0.

So we want to solve both x-3=0 and x-9=0.

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x-9=9 can be solved by adding 9 on both sides. This gives us x=9.

The intersection of f and g happens at x=3 or x=9.

5 0
3 years ago
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laila [671]
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nadya68 [22]
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3 0
3 years ago
-144 is -1 x 2a x 3b what is the sum of a+b?
BigorU [14]
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Answer:
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