-3m = 4m + 14 I'm so confused on how to do it

Answer: It will take the bus 2.5 hours to travel 125km at 50km/h.

Step-by-step explanation:

Hi, to answer this question we have to analyze the information given.

So, to find the time we have to divide the distance by the speed:

We have to apply: time = distance/speed

Replacing with the values given:

Time = 125 / 50 = 2.5 hours

It will take the bus 2.5 hours to travel 125km at 50km/h.

Feel free to ask for more if needed or if you did not understand something.

It will take 20 months for the costs of Apartment A and Apartment B to be the same.

To find out how many months it will take for the costs of Apartment A and Apartment B to be the same, we need to set up an equation. Let's say it takes x months for the costs to be equal. The equation would be: 1000 + 1200x = 1500 + 1175x. We can solve this equation to find the value of x.

First, we can simplify the equation by subtracting 1175x from both sides: 1000 + 25x = 1500. Then, we can subtract 1000 from both sides to isolate the variable: 25x = 500.

Finally, we can divide both sides of the equation by 25 to solve for x: x = 20. Therefore, it will take 20 months for the costs of Apartment A and Apartment B to be the same.

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If we want to divide 100 mL into 10 equal parts we have to pour 10 mL into each cup.

It is defined as the operation in which we do the addition of numbers, subtraction, multiplication, and division. It has basic four operators that are +, -, ×, and ÷.

We'll apply division by Splitting into equal halves or groups, the division may be used to decide how to distribute a dish of cookies evenly among a group.

It is given that we want to divide 100 mL into 10 equal parts,

Suppose x milliliters should we pour into each cup,

x = Total volume / Number of cups

x = 100 mL / 10

x =10 mL

Thus, if we want to divide 100 mL into 10 equal parts we have to pour 10 mL into each cup.

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The unknown number is = 3/4

Let the unknown number be X

4(X)  +  7 =  10

Minus 7 from the both sides:

4x  +7  -7 =  10 -7

4x + 0 = 3

4x = 3

Make x the subject of formula by dividing both sides by 4,

4x/4 = 3/4

Therefore,

x= 3/4

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The multiplication problem using 2-digit factors with a resulting product that falls between 7,000 and 8,000 is 81x90 = 7290.

It is defined as the operation in which we do the addition of numbers, subtraction, multiplication, and division. It has basic four operators that are +, -, ×, and ÷.

It is given that:

The number are 7,000 and 8,000

Let A and B be the two-digit number with a resulting product that falls between 7,000 and 8,000:

Let two numbers are:

81 and 90

The product of the numbers:

81x90 = 7290

The product of number falls between 7,000 and 8,000.

Thus, the multiplication problem using 2-digit factors with a resulting product that falls between 7,000 and 8,000 is 81x90 = 7290.

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Answer: [tex]3068.18\text{ miles per hour}[/tex]

Step-by-step explanation:

We know that 1 hour = 60 minutes

1 minute = 60 seconds

Then by Unitary method , 1 hour=[tex]60\times60=3600\text{ seconds}[/tex]

Also, 5280 ft = 1 mi

Given speed =  4500 feet per second

To convert it into miles per hour.  we divide it by 5280 and multiply it by 3600 we get

[tex]4500\times\dfrac{3600}{5280}\\\\=3068.18181818\approx3068.18\text{ miles per hour}[/tex]

Hence, the correct answer = [tex]3068.18\text{ miles per hour}[/tex]

Answer: 0.6 is ten times as much as 0.06

Step-by-step explanation:

We are given a statement:

0.6 is ten times as much as

Let the number be considered as 'x'

'Times' in the above statement means multiplication operation.

So, the equation for the given statement becomes:

[tex]0.6=10\times x[/tex]

To solve the value of 'x', we shift the number '10' to other side of the equation and operation applied will be division.

Solving the above equation, we get:

[tex]0.6=10\times x\\\\x=\frac{0.6}{10}=0.06[/tex]

Hence, 0.6 is ten times as much as 0.06

Follow below steps;

If North America burned 4.5 x 1016 BTU of petroleum in 1998, this rate of consumption can be used to calculate the amount of BTU burned over 9 years. To find the total BTU usage over 9 years, we simply multiply the annual consumption rate by 9.

Annual BTU consumption: 4.5 x 1016 BTU

Consumption over 9 years: 4.5 x 1016 BTU/year * 9 years = 40.5 x 1016 BTU

This calculation shows that North America would have burned a total of 40.5 x 1016 BTU of petroleum over a period of 9 years if the consumption rate remained consistent.

1/9

Short Cut That My Teacher Taught Me :)

0.1 repeating has 1 digit repeating after the decimal point, so there is one digit in the denominator. Put the repeating digit in the numerator place. That's your answer. You can do the same to any repeating decimal: 2 digits after the point has 99 as the denominator, 3 digits is the repeating number over 99, and so on. 

Answer:

x = -4.

Step-by-step explanation:

As we have the standard form of a parabola, that is [tex]ax^2+bx+c[/tex] the axis of symetry will be the line [tex]x = \frac{-b}{2a}[/tex]. In this case we have that a = 5, b = 40 and c = 64. Then the axis of symtery is

[tex]x = \frac{-40}{10} = -4[/tex].

Answer:

The number rounded to the nearest tenth is 15.8.

Step-by-step explanation:

Kendra and her horse completed barrel racing course in 15.839 seconds.

So, the number rounded to the nearest tenth or 0.1 is 15.8 because the number next to 8 is 3, it will not make eight '9' .

Hence, the number rounded to the nearest tenth is 15.8.

Answer:

what he said

Step-by-step explanation: