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Eddi Din [679]
3 years ago
6

A train traveled 399 miles in 7 hours. Find the train's speed.

Mathematics
2 answers:
GrogVix [38]3 years ago
7 0
The train is traveling at 57 miles per hour.
vfiekz [6]3 years ago
4 0

57 miles. am late tho..

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Plz help me with Geometry
Greeley [361]

Answer:

the second one

Step-by-step explanation:

6 0
3 years ago
Write an equation of the line that passes through the pair of points.<br><br> (5, −2), (7, −1)
dsp73

Answer:

someone will be with you in a moment

Step-by-step explanation:

6 0
2 years ago
Which do you think is easier to understand and why do you think so, multiplying radicals or multiplying polynomials?
Vera_Pavlovna [14]

I believe that its easier to understand the multiplication of a radical than that of a polynomial.

<h3>How to illustrate the information?</h3>

In mathematics, a radical is the opposite of an exponent that is represented with a symbol '√' also known as root.

A polynomial is an expression which is composed of variables, constants and exponents, that are combined using the mathematical operations such as addition, subtraction, multiplication and division.

When multiplying radicals with the same index, multiply under the radical, and then multiply in front of the radical. An example is:

= 3✓2 × 4✓2

= 12✓4

= 12 × 2

= 24

The multiplication of a radical is easier.

Learn more about polynomial on:

brainly.com/question/2833285

#SPJ1

3 0
2 years ago
The sides of a quadrilateral are in ratio 1:2:3:4 if the perimeter is 40cm. find the length of each sides​
m_a_m_a [10]
1:2:3:4= 4:8:12:16
Explanation:
Add 1,2,3,4 then divide by 40 which gives you 4.
Then put those in the ratios given :)
5 0
2 years ago
the US Census found at the population per square mile in the state rose from 128.7 to 191.3 during the last 10 years. By how muc
rewona [7]

Answer:

The population growth is 6.26 per square mile per year

Step-by-step explanation:

We are given

he US Census found at the population per square mile in the state rose from 128.7 to 191.3 during the last 10 years

So,

Initial population =128.7

Final Population =191.3

Total time =10 years

now, we can find population grow per year

=\frac{final-initial}{T}

now, we can plug values

=\frac{191.3-128.7}{10}

=6.26

So,

The population growth is 6.26 per square mile per year

3 0
3 years ago
Read 2 more answers
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