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Grace [21]
3 years ago
12

Terrell wants to Drive his car at a speed of 50 miles per hour for 2.75 hours. His car has a fuel efficiency of 25 miles per gal

lon. How many gallons of fuel does Terrell need for his journey?
Mathematics
2 answers:
Oduvanchick [21]3 years ago
5 0
HI there! To find the number of gallons he needs for travel, the first step we need to do is find the number of miles he'll travel, by multiplying speed by time. 50 * 2.75 is 137.5. Terrell will travel 137.5 miles in 2.75 hours. There are 25 miles in a gallon. Now, let's divide the number by 25 to get the number of gallons. 137.5 / 25 = 5.5. There. Terrell will need 5.5 gallons of gas for his journey.
steposvetlana [31]3 years ago
5 0
He needs 5 and a half gallons of gas
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Semenov [28]

Answer:

(-2, -3)

(3, 12)

Step-by-step explanation:

To solve this, we're gonna get rid of the y's with substitution

x² + 2x - 3 = 3x + 3

Let's make this equation equal to zero

Subtract 3 from both sides

x² + 2x - 3 = 3x + 3

            - 3         - 3

x² + 2x - 6 = 3x

Subtract 3x from both sides

x² + 2x - 6 = 3x

    - 3x        - 3x

x² - x - 6 = 0

Factor the equation

(x - 3)(x + 2) = 0

This means x can be -2 or 3

Let's solve it with -2 first, plug the new x in y = 3x + 3

y = 3(-2) + 3

y = -6 + 3 = -3

Do the same for x = 3

y = 3(3) + 3

y = 9 + 3 = 12

3 0
2 years ago
I WILL GIVE A BRANLIEST!<br>What is the graph of the functions?<br> y=2*2^x<br> y=-2*5^x
tekilochka [14]
For this case what you should know is that both functions are of the potential type.
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3 years ago
How come lemon washing up liquid contains real lemons, but lemon juice contains artificial flavorings.
attashe74 [19]

Answer:

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Step-by-step explanation:

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3 years ago
Someone pls help me I need help plsssss
Lyrx [107]

Answer:

3(x+1)=2(x-1)

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3 years ago
Could you please explain it?
Troyanec [42]
Hello,
there are some words that I could not read. But:
I support evements are independants.
p(s)=0.2
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6 0
4 years ago
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