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Kryger [21]
2 years ago
12

(2x² - 5x + 12) + (x² + 72 – 8)​

Mathematics
1 answer:
ratelena [41]2 years ago
6 0

Answer:

3x squared - 5x+76

Step-by-step explanation:

2x^2+x^2=3x^2

-5x

12+72-8=76

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A tourist starts to walk up a mountain path that is 31 miles long at the rate of 4 miles per hour. After walking for a while, he
Sunny_sXe [5.5K]

Answer:

He pays to the cab driver for 25 miles.

Step-by-step explanation:

Consider the provided information.

Let us consider he walks x miles at the rate of 4 miles per hour.

As we know Time=\frac{Distance}{Speed}

Therefore, time taken is: Time=\frac{x}{4}

He get a taxi for (31-x) miles at the rate of 50 miles per hour.

Therefore, time taken is: Time=\frac{31-x}{50}

It took 2 hours after he started.

That means the sum of time take is 2 hours.

\frac{x}{4}+\frac{31-x}{50}=2

\frac{25x+62-2x}{100}= 2

23x+62= 200

23x= 138

x= 6

Hence he walk 6 miles and he get a taxi for 31-6=25 miles.

He pays to the cab driver for 25 miles.

5 0
3 years ago
Bobby has just turned 56 years old
Pani-rosa [81]
Um how am i supposed to answer
6 0
3 years ago
A rectangle has an area of 822.4 square miles and a base of 32 miles. What is the height?
JulijaS [17]
I believe it would be 25.7 miles. I just divide 822.4 by 32.
4 0
3 years ago
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A) To get the output, subtract 7 from the
Nitella [24]

Answer:

h(x) = x/3 - 7

Step-by-step explanation:

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3 years ago
You've won a new prize! Go to your game board. *
oee [108]

Answer:

22 visits

Step-by-step explanation:

37-15=22 each trip is a dollar which means 22 visits for a dollar each

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3 years ago
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