MATHEMATICS MIDDLE SCHOOL

How do you write this equation in y=ax^2+bx+c ?

Answers

Answer 1

Answer:

Step-by-step explanation:

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

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

= 2x^2 - x - 2x + 1

= 2x^2 - 3x + 1

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Show your answer on how u got this please
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Frank cut a pie into 10 equal slices. There are only 3 slices left. what is the measure of the angle for 3 slices that are left?

Answers

Answer: 108°

Step-by-step explanation:

A pie is 360°.

From the question, Frank cut a pie into 10 equal slices. This means each pie will be:

360° ÷ 10 = 36°

Since 3 slices are left, that means that the total measure of the angle of the 3 slices left will be:

= 36° × 3

= 108°

The measure of the total angle for 3 slices that are left is 108°.

360/10x3

the angle of the whole pie (a circle) equals 360°. he cut it into 10 pieces so each piece degree measurement is 36 (360°/10) and then there are 3 slices so together that's 108° (36°x3)

how many minutes is it before 12 noon if 20 minutes ago it was three times as many minutes after 9 am

Answers

First, change everything into minutes.
12 noon is 12 by 60 which = 720 minutes.
9am is 9 by 12 which = 540 minutes.
X is now your number of minutes before noon.So noon - x is the next step:
720 - x
20 minutes ago it was 720 - x - 20
720 - x - 20= 540 + 3x (3x because you're looking for 3 times as many minutes)
720 - 20 - 540=4x (you combine all the like numbers and variables)
160 = 4x
160/4= x
40 = x
Your answer is 40 minutes

If a new car has 2 transmission types, 3 vehicle styles, 2 option packages, 9 exterior color choices, and 2 interior color choices, how many different new cars are possible?

Answers

To find the total number of combinations possible, multiply each choice by each other:

2 x 3 x 2 x 9 x 2 = 216 different cars

I need help for my Maths Assessment! URGENT!! So, The topic is about Observed, Relative and Expected frequencies. I'm stuck on some of the questions and I don't know what to do!! Please help me!! I have to do the assessment tomorrow! If you answer, I'll pick you as the brainliest and give you a thank you!

Answers

Answer:

5a) The expected frequency for rolling a difference of 1 and 3 is larger than the observed frequency, but the observed frequency for rolling a difference of 2,4 and 5 is larger than the expected frequency

7)Increase the amount of rolls so the percentage of anomalies will be smaller

Step-by-step explanation:

GIMME BRAINLIEST

I am answering because I want that other person to get the brainiest so here is the other answer that is not really an answer.

Can someone help me with my algebra?