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3 years ago

14

It is 3452 ft round trip from Craig's house to school

1 answer:

Likurg_2 [28]3 years ago

3 0

Answer: $272,708\ feet$

Step-by-step explanation:

The complete exercise is: "It is 3,452 feet round trip from Craig's house to his school. If he went to school 79 times this year, how many feet did he travel in all?"

In this case let "x" represents the total amount of feet that Craig travel in all this year.

According to the information provided in the exercise, you know that the amount of feet Craig travels in one round trip from his house to his school is:

$one\ round\ trip=3,452\ feet$

Therefore, If Craig made 79 times this round trip, you need to multiply 3,452 feet by 79 in order to find total amount of feet that Craig travel in all this year.

Then, you get the following result:

$x=(3,452\ feet)(79)\\\\x=272,708\ feet$

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10 more than 2 times a number is equal to 2 times the number plus 50. What is the number?

PSYCHO15rus [73]

Answer:

y = 40 is the answer

Step-by-step explanation:

Let the number be y

10 more than 2 times a number = 10 + 2×y

equal to 2 times the number plus 50. = 2 × y + 50

10 + 2y = 2y + 50

combine the like terms

2y - 2y =50 - 10

0 = 40

the number supposes be 40 but the number is represented by 0

i think some thing is missing in your question

y supposes be 40 not 0 = 40

Hope this helps!

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3 years ago

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Lerok [7]

Answer:

2244 cm

Step-by-step explanation:

The first first thing we must do is find the LCM of the following numbers

(51; 68) = 204.

This means that the first time they coincide is at 204.

Now, since his steps always coincide after 204

In Nick's case

Nick's 204 ÷ 51 = 4th step

and in the case of the father

204 ÷ 68 of his father = 3rd step.

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Replacing these values we have that the total distance will be:

67-1 (initial step) / (6 * 204) = 2244 cm

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To solve this problem you must apply the proccedure shown below:

1. You must apply the Law of Cosines, as you can see in the figure attached. Then:

- The first ship travels at $27 mi/hr$ in for two hours. Therefore, the side $a$ is:

$a=(27 mi/hr)(2 hr)=54mi$

- The second ship travels at $18 mi/hr$ for $1.5 hours$ . Therefore, the side $b$ is:

$b=(18mi/hr)(1.5hr)=27mi$

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Answer:

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