What is the product of 2,830 and 3

Answers

Answer 1
Answer: The answer is 8490. 2830 times 3=8490
Answer 2
Answer: The product of 2,830 and 3 is (6,490)
Hope this helps!

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What is x if 2+ 9/4x=20

Answers

Answer:

x = 1/8

Step-by-step explanation:

Given: $ 2 + (9)/(4x) = 20 $

Multiplying by 4x throughout, we will have:

⇒ 8x + 9 = 80x

⇒ 9 = 72x

Dividing by 72,

⇒ x = $ (9)/(72) $

⇒ x = $ (1)/(8) $

Substitute x = 1/8 in the given equation and it will give us 20. That means the value of 'x' identified is correct.

So, x = $ (1)/(8) $ is the required answer.

The Martin family's truck gets an average of 25 miles per gallon. Predict how many milrs they can drive using 7 gallons of gas.

Answers

If the Martin family's truck gets an average of 25 miles per gallon. The distance they can drive using 7 gallons of gas will be 175 miles.

What are arithmetic operations?

The study of numbers and their operations, which are relevant to all other fields of mathematics, is part of the discipline of arithmetic operations. Addition, subtraction, multiplication, and division are the basic operations that make up this system.

It is given that, the Martin family's truck gets an average of 25 miles per gallon.


We have to find the number of miles they can drive using 7 gallons of gas.

We'll apply division by Splitting into equalhalves or groups, the division may be used to decide how to distribute fuel evenly among a group.


The distance they can drive for the 7 gallons of gas will be,

=25 miles per gallon × 7 gallons

=175 miles

Thus, if the Martin family's truck gets an average of 25 miles per gallon. The distance they can drive using 7 gallons of gas will be 175 miles.

Learn more about the arithmeticoperations here,

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Okay so on average if they can go 25 miles per gallon that would mean you could just multiply 25 and 7 to get 175. So on average they could go 175 miles on 7 gallons of gas. Keep in mind that the answer can and will change depending on traffic, how fast or slow they are going, and if they are traveling behind a big-rig that moves more air that would normally be putting pressure on the car to push out of the way  but the big-rig helps save gas but it can also waste more gas if they are driving slower then normal.
Sorry for the extra information once I start it's hard to stop. Any way I hope this helps.

How can u simplify 44/42?

Answers

\frac { 44 }{ 42 } \n \n =\frac { 2\cdot 22 }{ 2\cdot 21 } \n \n =\frac { 2 }{ 2 } \cdot \frac { 22 }{ 21 }

\n \n =1\cdot \frac { 22 }{ 21 } \n \n =\frac { 22 }{ 21 }
You can divide by 2, 44 divided by 2 is 22 and 42 divided by 2 is 21.

A boat traveled 504 miles downstream and back. The trip downstream took 14 hours. The trip back took 21 hours. What is the speed of the boat in still water? What is the speed of the current?

Answers

The speed of the boat in still water will be 30 miles per hour and the speed of the current will be 6 miles per hour.

What is the solution to the equation?

The distribution of weights to the variables involved that establishes the equilibrium in the calculation is referred to as a result.

Let the speed of the boat in still water be x and the speed of water be y.

A boat traveled 504 miles downstream and back. The trip downstream took 14 hours. Then the equation will be

x + y = 504 / 14

x + y = 36      ...1

The trip back took 21 hours. Then the equation will be

x - y = 504 / 21

x - y = 24       ...2

Add equations 1 and 2, then the value of x will be

2x = 36 + 24

2x = 60

x = 30 miles per hour

Then the value of y will be

30 - y = 24

y = 6 miles per hour

The speed of the boat in still water will be 30 miles per hour and the speed of the current will be 6 miles per hour.

More about the solution of the equation link is given below.

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Answer:

The speed of the boat in still water is 30 mph, and the speed of the current is 6 mph.

Step-by-step explanation:

Let's say b is the speed of the boat in still water, and c is the speed of the current.

Distance = rate × time

Going downstream:

504 = (b + c) × 14

36 = b + c

Going upstream:

504 = (b − c) × 21

24 = b − c

Two equations, two variables.  Solve with substitution or elimination.  To use elimination, add the equations together.

60 = 2b

b = 30

Plug into any equation to find c.

36 = b + c

36 = 30 + c

c = 6

The speed of the boat in still water is 30 mph, and the speed of the current is 6 mph.

Take 4a - 3b + 2c from 2a - 3b + 4c.

-2a + 2c
-2a - 2c
2a + 2c
2a - 2c

Answers

Answer:

Option 1 -2a+2c

Step-by-step explanation:

To find :  Take 4a - 3b + 2c from 2a - 3b + 4c.

Solution :

The equation 4a - 3b + 2c ....(1)

2a - 3b + 4c ....(2)

Taking (1) from (2) means subtracting equitation (2) from (1),

i.e =(2a - 3b + 4c)-(4a - 3b + 2c)

=2a - 3b + 4c-4a+3b-2c

=-2a+2c

So, Taking  4a - 3b + 2c from 2a - 3b + 4c is -2a+2c

Therefore, Option 1 is correct.

2a-3b+4c-(4a-3b+2c)
=2a-3b+4c-4a+3b-2c
=-2a+2c

The smallest mammals on Earth are the bumblebee bat and the Etruscan pygmy shrew. A length of a bumblebee bat is 1(9)/(50) inches. A length of an Etruscan pygmy shrew is 1(21)/(50) inches. How much smaller is the bat than the shrew?

Answers

Answer:

Am not really sure

Step-by-step explanation: