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weqwewe [10]
3 years ago
13

Calculate the speed of a train traveled 400miles in 5 hours

Mathematics
2 answers:
slavikrds [6]3 years ago
8 0

Answer:

80 miles per an hour

Step-by-step explanation:

400 divided by 5 equals= 80 so 80miles = 1 hour

koban [17]3 years ago
7 0

Answer:

80 miles per hour.

Step-by-step explanation:

Start with the speed formula.

speed=\frac{distance}{time}

In this scenario, the distance is 400 miles, and the time is 5 hours.

Substitute:

speed=\frac{400}{5}

Divide.

400 ÷ 5

Solve:

400 ÷ 5=80

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Use braces and digits to indicate the set of whole numbers
Sergeeva-Olga [200]

Whole numbers are numbers without decimal points greater than 0.

The set of whole numbers is:

W =\{0,1,2,3,4.....\}

In the introductory part of this solution, I stated that:

  • Whole numbers do not have decimal point
  • The smallest whole number is 0

This means that the following numbers are whole numbers:

1, 9, 10, 67

While the following numbers are not:

-1, 9.0, 1.0, -67

Let W be the set of whole numbers; the set is:

W =\{0,1,2,3,4.....\}

The dots after 4 means the set still continues

Read more at:

brainly.com/question/13106807

4 0
3 years ago
Simplify this expression, you are y years old. Your sister is 3 years older than you. Your uncle is 4 times older than your sist
uysha [10]

Answer:The simplified expression that represents the uncle's age is

4y + 12

Step-by-step explanation:

Let y represent your age.

Your sister is 3 years older than you. This means that your sister's age is y + 3

Your uncle is 4 times older than your sister. It means that the age of your uncle would be

4(y + 3)

The simplified expression that represents your uncle's age would be

4y + 12

8 0
4 years ago
Select all of the statements that are valid based on the survey results.
Anika [276]

Answer:

all except the last one

Step-by-step explanation:

4 0
3 years ago
12. Which two numbers whose ratio is 3 to 2 have a sum of 35? PLEASE HELP ASAP!!
Brut [27]

Answer:

14 and 21

Step-by-step explanation:

You should solve the following linear equations : \\\frac{x}{y} = \frac{3}{2}\\ x+y=35

3 0
3 years ago
Which values represent the first two terms of the sequence a1=2 and an=-2(an-1)^2?
Mars2501 [29]
Hello,

a_{1}=2
a_{n+1}=-2*a_{n}^2

a_{1}=2
a_{2}=-2*2^{2}=-8
a_{3}=-2*(-8)^{2}=-2*64=-128


Answer C






3 0
3 years ago
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