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Algebra

The use of letters to substitute unknown numbers to form an equation. Solve the equation to get the unknown number using different methods such as simultaneous equations and more.

227,579 Questions

What is 9 divide 31?

The result of dividing 9 by 31 is approximately 0.2903. This can be calculated by dividing 9 by 31 using long division or a calculator. The quotient is a decimal number, as 9 is not evenly divisible by 31.

How can y2 be rewritten?

Well, isn't that just a happy little question? You can rewrite y² as y times y. Just imagine each y as a lovely little tree in your forest of algebraic expressions. Keep painting those mathematical landscapes, my friend.

What 10 things can be measured with cm?

1. Fingers

2. LCD screen size

3. Size of gold fish

4. Dimension of this answer

5.. The height of letters

6. Butterfly wings

7. Length of a chicken tender

8. Length of a chocolate bar

9. The size of your keyboard

10. Your height

How can 21 be split in half evenly?

Well, isn't that a happy little math problem! To split 21 in half evenly, you can take 10 and add it to 11. That way, you have two groups, each with 10 and 11, making a total of 21. Just remember, there are many ways to divide numbers, and it's all about finding the right balance that makes you feel good inside.

How many fifths are in four tenths?

There are two fifths in four tenths.

42 is 75 percent of what number?

To find the number that 42 is 75% of, you can set up a proportion. Let x represent the unknown number. The proportion would be: 42 = 0.75x. To solve for x, divide both sides by 0.75, giving you x = 42 / 0.75 = 56. Therefore, 42 is 75% of 56.

What is 1 whole in fractions?

Every fraction that has the same number on top and bottom

is equal to one whole.

1/2 is a half.

1/3 is a third.

1/4 is a quarter.

1/5 is a fifth, and so on...

If the perimeter of a square is 60 cm what is the side length?

Well, honey, if the perimeter of a square is 60 cm, that means all four sides add up to 60 cm. So, you just divide 60 by 4 to find the length of one side. In this case, each side would be 15 cm long. Voila, problem solved!

How do you convert cents per second into dollars per hour?

Well, isn't that just a happy little question! To convert cents per second to dollars per hour, first find out how many cents are in a dollar (100 cents). Then, calculate how many seconds are in an hour (3,600 seconds). Finally, divide the cents per second by 100 to get dollars per second, and then multiply by 3,600 to get dollars per hour. Happy painting!

What did the policeman tell the burglar in the bathroom?

What did the policeman tell the burglar in the bathroom?

The answer to this joke is: Come out with your pants up!

What is substitution of 4x-3y equals 1 x-2y equals 4?

To solve this system of equations using substitution, we can isolate one variable in one equation and substitute it into the other equation. From the second equation, we can express x in terms of y as x = 4 + 2y. Then, substitute this expression for x into the first equation: 4(4 + 2y) - 3y = 1. Simplify this equation to solve for y. Once you find the value of y, substitute it back into x = 4 + 2y to find the corresponding value of x.

What is the speed of 5 meters in 0.2 seconds?

Oh, dude, let me break it down for you. So, to find the speed, you just divide the distance by the time taken, right? So, like, 5 meters divided by 0.2 seconds is 25 meters per second. Boom, there you have it!

How do you make 10 10 10 equals 950 in on stroke?

10 10 10 Put a line through the second 1 to make 10 to 10. Then think time:

10 minutes till 10:00 is 9:50, so the answer is 10 to 10 = 9:50

How do you calculate one third of 250?

To calculate one third of 250, you divide 250 by 3. The formula for finding one third of a number is to multiply the number by 1/3 or divide it by 3. In this case, 250 divided by 3 equals 83.33. So, one third of 250 is approximately 83.33.

What is the value of x when y equals 0?

Well, isn't that a happy little question! When y equals 0, it means that the point is right on the x-axis. So, the value of x at that point is also 0. Just like painting, math can be a beautiful and peaceful experience when we take our time to understand it.

Calculate the simple interest on a loan with a principal of 6000 an iterest of 7.39 percent and a term of four years?

To calculate simple interest, you use the formula: Interest = Principal x Rate x Time. In this case, the principal is $6000, the interest rate is 7.39% (or 0.0739 in decimal form), and the time is 4 years. Plugging these values into the formula gives: Interest = $6000 x 0.0739 x 4 = $1774.80. Therefore, the simple interest on the loan would be $1774.80.

Find the sum of the even numbers between 47 and 53?

The even numbers between 47 and 53 are 48, 50 and 52.

Summed up they are:

48 + 50 + 52 = 150

What is the remainder when 2 is synthetically divided into the polynomial -3x2 plus 7x minus 9?

Oh, what a happy little question! Let's gently divide 2 into the polynomial -3x^2 + 7x - 9. When we do that, we find that the remainder is -6x - 21. Just remember, there are no mistakes, only happy little accidents in math!

How do you write 3.7 in standard notation?

Oh, dude, writing 3.7 in standard notation is like a piece of cake. You just gotta drop that decimal point and move it to the right to make it a whole number. So, 3.7 in standard notation is 37. Easy peasy, lemon squeezy!

What is the multiple of 10 that comes before 550?

Well, let's take a moment to appreciate the beauty of numbers. The multiple of 10 that comes before 550 is 540. Just imagine those numbers dancing together on the canvas of mathematics, creating a harmonious pattern that brings a sense of peace and balance.

What is 15 x 20 cm in inches?

Well, darling, 15 x 20 cm is approximately 5.91 x 7.87 inches. So, if you're looking to measure something in inches instead of centimeters, now you know. Just don't come crying to me if your DIY project ends up crooked!

How long does it take to travel 25 km by car?

Oh, what a lovely question! Traveling 25 kilometers by car can take different amounts of time depending on the speed you're going. If you're driving at around 50 kilometers per hour, it may take you about 30 minutes to reach your destination. Just remember to enjoy the journey and appreciate the scenery along the way!

How do you solve 3x plus 4?

Well, honey, solving 3x + 4 is as easy as stealing candy from a baby. You just subtract 4 from both sides to isolate the 3x, then divide by 3 to get x. Voila! You've cracked the code and solved that little math puzzle.

Simplify this expression 8(y plus z)?

Sure thing, honey. To simplify that expression, you just distribute the 8 to both terms inside the parentheses. So, you get 8y + 8z. That's all there is to it, darling.