MATHEMATICS HIGH SCHOOL

Expand the expression 1/2(3 + 4t - 10)

Answers

Answer 1
Answer:

Answer: 2t-3.5

Step-by-step explanation:

You multiply the numbers inside parentheses by 1/2.

Then you simplify.
Answer 2
Answer:

Answer:

It’s 5t something i don’t know man don’t ask me

Step-by-step explanation:

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The Drama Club is showing a video of their recent play. The first showing begins at 4:35 p.M. The second showing is scheduled at 7:15 p.M. With a 1 2 −hour break between the showings. How long is the video in hours and minutes? The video is hours and minutes. Complete the explanation of how you can use a number line to find the answer. You can work backward from the start time of the second showing at : . You count back 1 2 hour, which is minutes, for the break between showings to : . The second showing started 20 minutes late. Will the second showing be over by 9:35 p.M.? Complete the explanation why your answer is reasonable. The second showing started at : p.M. The movie lasts hours minutes, so it ends at :45 p.M. So, ? The second showing ? Be over by 9:35 p.M.
How do I solve for w? 23 + 18w = -21 + 14w
Sorry had to repost lol could you answer part b of the question for me please???
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A trapezoid with an area of 45 square units is plotted on the coordinate plane. This trapezoid can be decomposed into a rectangle and right triangle. The vertices of the rectangle are located at the points (–6, –2),(–6, 3), (1,3), and (1,–2). Write two possible coordinates for the last vertex of the trapezoid that have different x-coordinates. Show your work in the space below or on the coordinate plane.

Answers

We know that the trapezoid can be decomposed into a rectangle and a right triangle. The rectangle has two sides with length 7 (the difference between the y-coordinates of the top and bottom vertices) and 8 (the difference between the x-coordinates of the right and left vertices), so its area is 56 square units. Therefore, the area of the right triangle is 45 - 56 = -11 square units, which is impossible. Hence, there must be an error in the problem statement or in the way it was transcribed. Without additional information, it is not possible to provide two possible coordinates for the last vertex of the trapezoid that have different x-coordinates.

Which of the following represents the zeros of f(x)=3x^3-10x^2-81x 28? Answer choices: A.) 7, -4,1/3 B.) 7,-4, -1/3 C.) 7,4,1/3 D.) 7,4,-1/3

Answers

The right function is f(x)=3x^3-10x^2-81x + 28

You can realize that 7 is a root because it is in all the answers.

So you can divide the polynomial by x - 7. If you do it you can find that the quotient is 3x^2 + 11x - 4

Now you can use the quadratic formula to find the other two roots.

If you do it, you will find they are x = 1/3 and x = -4.

So the answer is option A) 7, -4, 1/3

And the polynomial can be written as (x - 7)(x + 4) (x -1/3)

Which of the following equations shows direct variation between u and v? Choose all answers that are correct. A. v =1/u + 6 B. v/u = 9 C. 0.5(1/u) = v D. 3.5u = v

Answers

Direct variation is when U increases V will increase and when U decreases V will decrease. The answer to your question is D. 3.5u = v. I hope that this is the answer that you were looking for and it has helped you.

Which equation represents this statement? One-third of a number is 21.

Answers

this states that a number divided by 3 is 21. the equation is: n/3 = 21

1. describe how graphs of y=|x| and y=|x|-15 are related.2. write an equation for the translation of y=|x|
2 units down.

Answers

 1. y=|x|-15 is 15 units down y=|x|


2.  y=|x|-2 is the equation for the translation of y=|x| two units dwon.

Could anyone please help me with this for Calculus AB? I'm not entirely sure if the answer I put down is correct or not; I got some funky graphs for it though.

Answers

Hi there! :)

C. has both jump and infinite discontinuity.

Evaluate both piecewise functions at x = 1;

1 / (x + 1) = 1 / ((1) + 1) = 1/2

2x - 1 = 2(1) - 1 = 1

As the piecewise functions contain different y-values when evaluated at

x = 1,  there is a jump discontinuity at x = 1.

However, the first function also contains a vertical asymptote or infinite discontinuity where it is undefined, or at x = -1. (1 / 0 = undefined). This means that the function also contains an infinite discontinuity.

Therefore, the correct choice is:

C. has both jump and infinite discontinuity.
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