MATHEMATICS HIGH SCHOOL

Consider the following set of equations: Equation A: y = 2x + 4
Equation B: y = 3x + 1

Which of the following is a step that can be used to find the solution to the set of equations?

2x + 4 = 3x + 1

2x = 3x + 4

2x + 4 = 3x

2x + 1 = 3x + 4

Answers

Answer 1
Answer: The first one. y is equal to both equations so then you can set them equal to each other and solve for x  if the questions requires it.

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The length of a rectangle is represented by the function L(x) = 5x. The width of that same rectangle is represented by the function W(x) = 2x2 − 4x + 13. Which of the following shows the area of the rectangle in terms of x?(L ⋅ W)(x) = 10x3 − 4x + 13
(L ⋅ W)(x) = 10x3 − 20x2 + 65x
(L + W)(x) = 2x2 + 1x + 13
(L + W)(x) = 2x2 − 9x + 13

Answers

A= l x w
5x * 2x^2 - 4x + 13
10x^3 - 20x^2 + 65x

The function that represents the area of the rectangle is: B. (L × W)(x) = 10x³ - 20x² + 65x.

What is the Area of a Rectangle?

Area of a rectangle = (length × width)

Applying the area of a rectangle formula, the area of the rectangle would be:

(L × W)(x) = 5x(2x² - 4x + 13)

Apply the distributive property

(L × W)(x) = 10x³ - 20x² + 65x

The area in terms of x is: (L × W)(x) = 10x³ - 20x² + 65x.

Learn more about area of a rectangle on:

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Harry is building a house with a sloping roof. If the roof is 44 feet long and 10 feet high, what is the angle that the roof makes with the horizontal?

Answers

Length\ and\ high\ make\ with\ horizontal\ rectangular\ triangle\n\n Length \is \ hypotenuse\ \n\ high\ and\ horizontal\ are\ cathetuses.\n\n \angle\ \alpha\ between\ length\ and\ horizontal=?\n sin \alpha =(10)/(44)\n sin \alpha \approx0,227\n \alpha \approx\ arcsin0,227\approx\ 13^\circ

PLSSSSS HELP IF YOU TRULY KNOW THISSSSS

Answers

Answer:

1

Step-by-step explanation:

Anything raised to 0 is 1

What is the domain of the function shown in the graph below?

Answers

Answer:

Domain: [-3, ∞)

Step-by-step explanation:

The domain of a function is the set of all possible input values (x) that produce a real output.

We see the x start at -3 and go to the right forever (positive infinity)

Domain: [-3, ∞)

If 540 million metric tons of carbon dioxide is released in the air per year and 35% of it is from other fuels, how much carbon dioxide is emitted?

Answers

You have said that 540 million metric tons of carbon dioxide is released
in the air per year. 

So the answer to the question is:  540 million metric tons of carbon dioxide
are released in the air per year, regardless of the source or sources.

4x-8=12 x= How do I find x? And what is it?

Answers

Answer:

x=-1

Step-by-step explanation:

4x-8=12x

4x=12+8

4x-12=8

-8x=8

-8x/-8= 8/-8

x=-1
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