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ira [324]
3 years ago
6

It takes Johnny 42 minutes to get to the zoo after 18 minutes he stopped to get gas for his car what writing equation to express

how many more minutes he had to travel after getting gas
Mathematics
2 answers:
lukranit [14]3 years ago
7 0

Answer:

18 + t = 42, t = 24

Step-by-step explanation:

We know that Johnny travelled 18 minutes without needing the gas.

Let t represent the number of minutes he had to travel after getting gas.

Then, the total time to get to the zoo will be:

18 + t

Since it takes 42 minutes in total, the final equation will be:

18 + t = 42

t = 24

masya89 [10]3 years ago
6 0
18 + x = 42
18 (miles traveled until gas was needed) + x (the miles traveled without needing gas) = 42 (total miles traveled)
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Show that the equation x^3 + x -3 =0 has a solution between 1 and 2. That is the only information given
valentina_108 [34]

Answer:

Step-by-step explanation:

Given that:

f(x) = x^3 + x - 3 = 0

Since the given function is equal to zero, then the function :

f(x) = x^3 + x - 3

where;

x = 1 and

x = 2

f(x) = (1)^3 + (1) - 3 \\  \\ f(x) = 1 + 1 - 3 \\ \\f(x) = -1 < 0

f(2) =  x^3 + x - 3 \\ \\f(2) = (2)^3 + 3 - 3  \\ \\f(2) = 8 + 3 - 3  \\ \\f(2) = 11 - 3 \\ \\f(2) = 8 > 0 \\ \\

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8 0
2 years ago
Does anyone understand this
Nataliya [291]

For this problem, 0.25 in = 50 m. So

11 in = (11 in) • (50/0.25 m/in) = 2200 m

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3 0
3 years ago
Sammy bought 3 T-shirts for $15.75 each and pairs of jeans for $28.79 each. If the sales tax on his purchases totaled $5.24, how
abruzzese [7]

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7 0
3 years ago
Which is equivalent to 4x/x-7 - x+7/x
spin [16.1K]

Answer:

The answer to your question is the second choice

Step-by-step explanation:

                        4x/ (x - 7)  -  (x +7) / x

- Find the greatest common factor from x and (x - 7)

                 GCF = x(x - 7)

- Substract the terms

                     [4x(x) - (x + 7)(x - 7)] / x(x - 7)

- Simplify

                     [ 4x² - x² + 49] / x(x - 7)

                     [ 3x² + 49] / x(x - 7)

- Result

                      3x² + 49  /  x(x - 7)

                       

6 0
3 years ago
Help please - first question
Afina-wow [57]
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5 0
3 years ago
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