MATHEMATICS HIGH SCHOOL

6. A group of friends wants to go to theamusement park. They have $311 ta
spend on parking and admission.
Parking is $15, and tickets cost $32
per person, Write and solve an
equation which can be used to
determine p, the number of people
who can go to the amusement park.
2

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

311 - 15 = 296

296 ÷ 32 = 9.25

Rounded to 9 people

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If BC= 6.5, CD= 7.8, and AD=12.2, find AB to the nearest tenth

Sarah needs to complete 10,008 hours of guitar practice. How many hours of practice a day should she do to reach her goal in 3 years?

Answers

10008 hours per 3 years is average of 3336 hours per year, or about 9.1 per day.

if employee a logged 120 hours of travel in four years and employee b logged hours of travel at a 20% higher rate, how many more hours did employee b have than employee a after 1.5 years

Answers

Traveled hours by a in four years = 120
Traveled hours by b in four years = (120/100) * 120
= 144
Excessive hours traveled by b in 4 years = 144 - 120
= 24
Excessive hours traveled by b in 1.5 years = (24/4) * 1.5
= 9 hours

Is this correct? please answer

Answers

Answer:

Yes, letter D is correct.

Step-by-step explanation:

The shape is a trapezoid so you'll have two congruent pairs of base angles.

(x - y)^2 + 4z(x - y) +3z^2 (and btw ^2 means squared and this is going for 10 points)

Answers

(x - y)² = x² + y² - 2xy

4z(x - y) = 4zx - 4zy

3z² = 3z²

Addum all up:

x² + y² - 2xy + 4zx - 4zy + 3z²

(To me, it was a lot simpler before I simplified it.)

Solve x2 − 8x + 5 = 0 using the completing-the-square method.x = negative four plus or minus the square root of eleven
x = four plus or minus the square root of eleven
x = negative four plus or minus the square root of five
x = four plus or minus the square root of five

Answers

Answer:

Option 2

Step-by-step explanation:

We have been given a quadratic equation $x^2-8x+5=0$

First step in completing method square is to make the coefiicient of $x^2$ 1

Since, in given quadratic equation coefficient of $x^2$ is already 1. we will proceed to the next step which is add and subtract square of the half of coefficient of x in given quadratic equation.

Here, half of coefficient of x that is 8 would be 4 so we will add and subtract $4^2$ in given quadratic equation we will get