MATHEMATICS HIGH SCHOOL

Solve for x. 3x – 4 + 2x = 36

Answers

Answer 1

Answer:

Answer:

x=8

Step-by-step explanation:

3x-4+2x=36

5x-4=36

5x=36+4

5x=40

8x5=40

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Canvas cloth cost 7.50 per square meter how much will 3.5 square meters of canvas cost ??

Answers

Answer:

$26.25 is the cost of 3.5 square meters canvas.

Step-by-step explanation:

Cost of one unit square canvas is given as $7.50 and we have to calculate the cost of 3.5 square meter cost of the canvas.

We can use the unitary method to solve this question.

∵ Cost of 1 square meter canvas = $7.50

∴ Cost of 3.5 square meter canvas = 7.5 × 3.5

= $26.25

Therefore, cost of 3.5 square meter of the canvas is $26.25.

3.5 sq.m. will cost $26.25

What is the additive inverse of 4x

Answers

the additive inverse of 4x is -4x because if you add them together, you get zero. 4x+-4x=0.

Answer:

The additive inverse of 4x is -4x

Solve the logarithmic equation. be sure to reject any value that is not in the domain of the original logarithmic expressions. give the exact answer. log8(5x + 8) = log8(5x + 5)

Answers

this is the answer: false, because the domain is incorrect

Simplify square root parenthesis 1 minus sine theta parenthesis times parenthesis 1 plus sine theta parenthesis.

Answers

Answer:

$cos{\theta}$

Step-by-step explanation:

The given equation will be of the form:

$\sqrt{(1-sin{\theta})(1+sin{\theta})}$

Simplifying the above equation, we get

Using identity, $(a+b)(a-b)=a^2-b^2$

= $\sqrt{1^2-(sin{\theta})^2}$

= $\sqrt{1-sin^2{\theta}}$

= $\sqrt{cos^2{\theta}}$

= $cos{\theta}$

which is the required simplified form of the given equation.

answer is Cos theta
find the attachments for detailed solution

Select all of the terms that are "like."a. xy 2
b. 2xy
c. x 2
d. -xy
e. 2x 2y
f. xy

Answers

Final answer:

The terms that are 'like' are: 2xy, -xy, and xy.

Explanation:

In mathematics, like terms are expressions that have the same variables raised to the same powers. When adding or subtracting like terms, you can combine them by adding or subtracting their coefficients while keeping the variables and exponents unchanged. This simplifies algebraic expressions and equations, making them easier to work with. For example, in the expression "3x + 2y - 5x + 7y," "3x" and "-5x" are like terms because they both have the variable "x" raised to the first power, so they can be combined to simplify the expression as "(-2x) + 2y + 7y."

The terms that are 'like' are: b. 2xy, d. -xy, and f. xy. To be 'like' terms, they must have the same variables raised to the same powers. In this case, all three terms have the variables x and y raised to the power of 1. The coefficients (the numbers multiplied by the variables) can be different. For example, 2xy, -xy, and xy are all 'like' terms because they have the same variables raised to the power of 1.

Learn more about Like terms here:

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Final answer:

In mathematics, like terms are terms that have the same variables and powers. In this case, the like terms are '2xy', '-xy', and 'xy' as they have the same variable part 'xy'.

Explanation:

In mathematics, like terms are terms whose variables have the same powers. The coefficients of these terms do not matter. Coefficients are the number part of the terms, while the variable part are the letters.

Looking at the options:

a. xy^2
b. 2xy
c. x^2
d. -xy
e. 2x^2y
f. xy

In these options, b. 2xy, d. -xy, and f. xy are like terms; they all have the same variable part 'xy'. The coefficients are different, but this does not affect their classification as like terms.