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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 the function of the golibody?

The Golgi body, or Golgi apparatus, functions as a key organelle in the processing, packaging, and distribution of proteins and lipids synthesized in the endoplasmic reticulum. It modifies these molecules by adding carbohydrate or phosphate groups and sorts them for transport to their final destinations, either within the cell or for secretion outside the cell. Additionally, the Golgi body plays a role in the formation of lysosomes and the synthesis of certain polysaccharides.

Is negative two an irrational number?

Rational numbers are those that can be expressed as a ratio of two integers. So 2, which can be expressed in such a way, for example, (-2) / 1 or 2 / (-1) is a rational number.

What does dodecagon mean?

A Twelve(12) sided 2-dimensional figure.

From the Classical Languages.

'Do' ; two(2)

'Deca' ; ten(10)

'Gon' ; a 2-dimensional figure.

NB 2 + 10 = 12

Hence 'Dodeca' ...

What is the independent and dependent variable in an experient?

In an experiment, the independent variable is the factor that is manipulated or changed by the researcher to observe its effects. The dependent variable is the outcome or response that is measured to determine the impact of the independent variable. For example, if studying the effect of different amounts of sunlight on plant growth, the amount of sunlight is the independent variable, while the growth of the plants is the dependent variable.

How many tons of dirt needed to fill a 13 x 20 x 6ft swimming pool?

Depends on the density of 'dirt'. I'll guess about 2.5 x that of water. 13 x 20 x 6 x 62.4 x 2.5 / 2000 = 121.68 tons of course if my guess for dirt is too high, just divide by 2.5 and multiply by the real specific gravity of dirt.

What is 89's square root?

The square root of 89 is approximately 9.434. This value is not a whole number, as 89 is not a perfect square. If you need a more precise value, it can be expressed as approximately 9.433981.

How to write 65,402.09 in expanded notation?

To write 65,402.09 in expanded notation, break it down by place value. It can be expressed as 60,000 + 5,000 + 400 + 0 + 2 + 0.09, which highlights the value of each digit in the number.

What is x to 5th exponent multiplied by x to the 6th exponent?

x^(5) X x^(6) = x^(5 + 6) = x^(11)

NB When calculating exponentials

#1 ; the coefficient 'x' MUST be the same.

#2 ; When dividing .subtract the exponentials

#3 ; When 'nesting' , multiply the exponentials.

e.g.

Multiplication ; given above.

Division [x^(5)] / [x^(6)] = x^(5 - 6) = x^(-1) (= 1/x)

'Nesting' [x^)5)]^(6) = [x^(5 x 6)] = x^(30)

NNB When x^(5) X y^(6) cannot be done by this method as the coefficients 'x' & 'y' are different.. The coefficients MUST be the same.

What is thje square root of 256?

256 = 2^(8)

Hence

2^(8) = [2^(4)] ^(2) (NB 'Nesting ' Rule of indices).

sqrt[(2^(4)}^(2) = 2^(4)

2^(4) = 16 The answer!!!!

What is 3x divided by x?

Well, isn't that a happy little math problem! When you have 3 times a number and you divide that by the same number, you're left with just 3. It's like painting a beautiful landscape with just three simple colors - simple and harmonious.

Is y equals 8 a linear equation?

No, y=8 is a fixed value. A linear equation would look something like y=x+8 - That would produce a straight line graph if the values of x & y were plotted against each other on a graph.

What is the sum of the roots of the polynomial shown below f(x)3x3 plus 12x2 plus 3x-18?

To find the sum of the roots of the polynomial ( f(x) = 3x^3 + 12x^2 + 3x - 18 ), we can use Vieta's formulas. The sum of the roots of a cubic polynomial ( ax^3 + bx^2 + cx + d ) is given by ( -b/a ). Here, ( a = 3 ) and ( b = 12 ), so the sum of the roots is ( -\frac{12}{3} = -4 ).

How many square units are in a office that is 13x9?

To find the area of an office that measures 13 units by 9 units, you multiply the length by the width. Therefore, the area is 13 × 9 = 117 square units.

What is the tenth perfect number?

Oh, dude, the tenth perfect number is 8,589,869,056. It's like a perfect number, but, you know, the tenth one. So, if you're ever in a situation where you need to know the tenth perfect number, now you're prepared. You're welcome.

How many triangles are in a 20 sided pentagon?

NO such thing as a 20 sided pentagon.

The word 'pentagon' means a 2-dimensional five(5) sided figure. So how can it have 20 sides.

From the Classical Languages ;-

Penta = 5;

'gon' = two dimensional figure/shape.

What equation contains the points 8 0 and 0 2?

To find the equation of the line that contains the points (8, 0) and (0, 2), we first determine the slope (m) using the formula (m = \frac{y_2 - y_1}{x_2 - x_1}). Substituting the points gives us (m = \frac{2 - 0}{0 - 8} = -\frac{1}{4}). Using the point-slope form (y - y_1 = m(x - x_1)) with point (8, 0), the equation becomes (y - 0 = -\frac{1}{4}(x - 8)), which simplifies to (y = -\frac{1}{4}x + 2).

What is an equivalent expression to 8 plus 7y plus 2x plus 4y plus 4?

To simplify the expression (8 + 7y + 2x + 4y + 4), combine like terms. The constants (8) and (4) add up to (12), and the (y) terms (7y) and (4y) combine to (11y). Thus, the equivalent expression is (12 + 2x + 11y).

What is the answer to 2x2 - 6x 4?

The expression 2x² - 6x + 4 is a quadratic equation in standard form. To find the roots, you can use the quadratic formula, x = (-b ± √(b² - 4ac)) / 2a, where a = 2, b = -6, and c = 4. Plugging in these values, the roots can be calculated as x = 3 ± √(1) / 2, leading to the solutions x = 4 and x = 2.

How do you solve buffering problems on Mac?

To solve buffering problems on a Mac, first ensure your internet connection is stable by testing it with a speed test or restarting your router. Close any unnecessary applications or browser tabs that may be consuming bandwidth. Check for software updates for your operating system and applications, as these can improve performance. Finally, consider clearing your browser cache or using a different browser to see if that resolves the issue.

What is a numerical expression with at least 4 different numbers that uses parenthesis exponents division multiplication addition and equals ten?

One example of a numerical expression that meets your criteria is ( (3 + 5) \times 2 - 6 \div 3 = 10 ). This expression includes the numbers 3, 5, 2, and 6, and it utilizes parentheses, multiplication, addition, division, and subtraction to equal ten.

What is the slope of a trend line that passes through the points ( and dash 3) and (18 26)?

To find the slope of the trend line that passes through the points (-3, -3) and (18, 26), use the formula for slope ( m = \frac{y_2 - y_1}{x_2 - x_1} ). Plugging in the values, we have ( m = \frac{26 - (-3)}{18 - (-3)} = \frac{29}{21} ). Simplifying this gives the slope ( m \approx 1.38 ).