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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

How big is 188 square meters?

Oh, dude, 188 square meters is like the size of a decent-sized apartment or a small house. It's like big enough to have a living room, a couple of bedrooms, and maybe a kitchen. So, yeah, it's not tiny, but it's not like a mansion either.

What is 3500 x 12?

Oh, dude, like, 3500 times 12 is 42,000. It's like, you just gotta multiply 3500 by 12, and boom, there's your answer. Math, man, it's wild.

What number is 13 more than 80?

Oh, dude, like, seriously? Okay, let me break it down for you - if you take 80 and add 13 to it, you get 93. So, the number that is 13 more than 80 is 93. Math, am I right?

What is the factor of 6x2 13x-5?

To find the factors of the quadratic expression 6x^2 + 13x - 5, we need to factorize it into two binomial expressions. We can do this by finding two numbers that multiply to the coefficient of x^2 (6) multiplied by the constant term (-5), which is -30, and add up to the coefficient of x (13). These numbers are 15 and -2. Therefore, the factored form of the expression is (2x + 5)(3x - 1).

What are the common factor of 36 and 54?

The common factors of 54 and 36 are: 1, 2, 3, 6, 9, and 18

The difference between the two numbers is 18. 18 is also half of the smaller of the two numbers. The smaller of these calculations will be the upper limit of all possible common factors. Start with 18 and go down until you find a number that divides into both. 36 / 18 = 2 and 54 / 18 = 3. Yep, that works, so 18 is a common factor. Now you just need to find all of the numbers that will divide evenly into 18.
The common factors are: 1, 2, 3, 6, 9 and 18.


54-1,2,3,6,9,18,27,54

36-1,2,3,4,6,9,12,18,36

What the answer for this 3x plus 4y?

Oh, dude, you're hitting me with some math, huh? Well, technically, the answer for 3x + 4y is just 3x + 4y. I mean, you're not really simplifying it or anything, so that's all there is to it. Math can be a trip, man.

What does the 2 mean out of MgBr2?

Well, honey, that 2 in MgBr2 means that there are two bromine atoms for every magnesium atom. It's like a little bromine party happening with magnesium as the host. Just remember, chemistry is all about ratios and making sure everyone gets along in the compound.

Is there any negative effect of ceragem?

Ceragem is a thermal massage bed that uses infrared heat and jade stones to provide relaxation and pain relief. While many users report positive effects such as improved circulation and reduced muscle tension, some potential negative effects could include burns if the temperature is too high or prolonged use leading to skin irritation. It is important to follow the manufacturer's guidelines for safe and proper use to minimize any potential risks.

How many symmetry does a cone have?

A cone has infinitely many symmetries. This is because a cone can be rotated about its axis an infinite number of times and still look the same. Additionally, a cone also has rotational symmetry, meaning that it looks the same when rotated by any multiple of 360 degrees.

What is the surface area of a cylinder whose radius is 8cm and height is 10cm?

The formula for the surface area of a cylinder is 2πrh + 2πr^2, where r is the radius and h is the height. Plugging in the values given (r=8cm, h=10cm), we get 2π(8)(10) + 2π(8)^2 = 160π + 128π = 288π cm^2. Therefore, the surface area of the cylinder is 288π square centimeters.

How do you divide a flat hexagon into 6 equal parts?

To divide a flat hexagon into 6 equal parts, you would first draw lines connecting opposite corners of the hexagon to create six equal triangles within the hexagon. Each of these triangles would be one of the equal parts. This method ensures that each part has the same shape and size within the hexagon.

Length and width of 2 acres?

There are an infinite number of answers.

Given that the length is greater than the width, and that the total area is 2 acres = 87120 sq ft, then the length can be any vaue greater than or equal to sqrt(87120) feet ie approx 295.2 feet.

For any such length, L, the width would be 87120/L feet.

A 2 acre plot could be

8712 ft * 10 ft

87120 ft * 1 ft

or even 87120000 ft * 0.001 ft

From the Wikipedia article: an acre was originally surveyed as 66 feet X 660 feet. Most likely, the shorter dimension was doubled to get 2 acres, which would make it 132 feet x 660 feet.

How do you solve -12 is less than or equal to -12?

You normally "solve" something when there is a variable involved. In this case there is no variable. All you have to do is decide whether it is true or false. If this is derived from an original equation (or, in this case, inequality) which involved variables, then if the equation (or inequality) without variables is true, it means it is true for ANY value of the variable. If it is false, the original equation (or inequality) can't be satisfied by any value of the variable.

Is 80 cm greater than or less than 8 m?

To compare 80 cm and 8 m, we need to convert them to the same unit. Since 1 m is equal to 100 cm, 8 m is equal to 800 cm. Therefore, 80 cm is less than 800 cm, making 80 cm less than 8 m.

How do you divide 5 inches in thirds?

To divide 5 inches into thirds, you first need to determine the length of each third. To do this, you divide the total length (5 inches) by the number of parts you want to divide it into (3 parts). Therefore, 5 inches divided by 3 equals approximately 1.67 inches per third. To physically divide the 5-inch length into thirds, you can mark the 1.67-inch intervals on a ruler or measuring tape.

How many nickels make 50?

Oh, dude, seriously? Like, come on, basic math alert! There are 100 nickels in 50 bucks. So, like, if you're trying to count them out, get ready for some wrist action because that's a lot of coin flipping.

What is the diameter of a 17 Cm circumference?

Well, isn't that a happy little question! To find the diameter of a circle from its circumference, you can use the formula: diameter = circumference / π. So for a 17 cm circumference, the diameter would be 17 cm / 3.14, which is approximately 5.41 cm. Just imagine that circle coming to life on your canvas, bringing a sense of balance and harmony to your painting.

What is the value of 7 in 27?

Well, darling, the value of 7 in 27 is simply 7. It's not playing hide and seek or trying to be mysterious, it's just hanging out there, front and center. So, in a nutshell, the value of 7 in 27 is 7. Hope that clears things up for you, sugar.

Scott is standing 80 ft from the base of a tree He sees the top of the tree from an angle of elevation of 42 degrees His eye is 4.5 feet off the ground How tall is the tree?

Tangent of theta = Y/X, or opposite the angle/the adjacent of angle. So;

Tangent of 42 degrees = height/80'

80' tan 42 = height

= 72 feet ( you might want to subtract that 4.5 foot eye height )

How you write 2050000 in expanded notation?

To write 2050000 in expanded notation, you break down the number based on its place value. The expanded form of 2050000 is: 2,000,000 + 50,000 + 5000. This shows that the number is composed of 2 millions, 50 thousands, and 5000.

Does this equal 7000 m equals 700 cm?

No, 7000 meters does not equal 700 centimeters. This is because there are 100 centimeters in a meter. Therefore, to convert meters to centimeters, you would multiply the number of meters by 100. In this case, 7000 meters would equal 700,000 centimeters.