MATHEMATICS HIGH SCHOOL

Will mark brainlist for anyone who answers these parts correctly and properly showed their work.

Answers

Answer 1

Answer:

Answer:

The rise is -5 the run is 4

Step-by-step explanation:

Slope (m) =

ΔY

ΔX

-5

-1.25

θ =

arctan(

ΔY

) + 360°

ΔX

308.65980825409°

ΔX = 2 – -2 = 4

ΔY = -1 – 4 = -5

Distance (d) = √ΔX2 + ΔY2 = √41 = 6.4031242374328

Equation of the line:

y = -1.25x + 1.5

y =

When x=0, y = 1.5

When y=0, x = 1.2

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Solve for x. 3x – 4 + 2x = 36

Answers

Answer:

x=8

Step-by-step explanation:

3x-4+2x=36

5x-4=36

5x=36+4

5x=40

8x5=40

A school play earned over 250 from selling tickets which cost $11 each what's the inqyeality model

Answers

250/11 All you need to do divided the 250 by 11 to get the answer :-)

There are nine balls. One is slightly lighter than the rest; the difference is small enough that you can't tell just by picking them up. Using a basic two-sided scale, what's the minimum number of times you'd need to weigh balls to guarantee you find the light one?

Answers

You will need to weight those balls only twice.You weight 6 balls, 3 on one side of weight and 3 on another, and other3 balls you have are in your hand.

Check picture bellow

just my thoughts:
this is assuming the rest of the balls are of equal weight.
put 4 and 4 on either side of the scale, if by some chance they end up equal then that means the one ball not on the scale is the lighter. (can switch out with another ball to confirm) and that will be 2 weighs by just luck.
systematically, the more likely case is that the lighter ball will be in the 8 you put on the scale, and it's lightness will cause one side to be higher. this means that the lighter ball is on the higher side.
then take the four balls from the higher side and put two and two back on the scale. again higher sides means lighter. then take those two and put one and one. you will then find the lightest ball.
this method will take 3 weighs

So if 2 people were working a job that paid 7.50 an hour, and worked 42 hours a week, how much money would they make together in a year?

Answers

They would make 32,760 together in a year. One person would make 7.50 a hour times 42 hours, which would be 315 a week. You would times that by 52 weeks in a year and get 16,380 for one person per year. Multiply 16,380 by two people and you would find that they make 33,760 a year.

Find f (3) of the function: x square - 2x + 1

Answers

Answer:

f(3) = 4

Step-by-step explanation:

To evaluate f(3) substitute x = 3 into f(x) , that is

f(3) = 3² - 2(3) + 1 = 9 - 6 + 1 = 4

What's bigger 25,000
years or 0.1 million years

Answers

0.1 million years is equal to 100,000 years.
25,000 is smaller than 100,000 years.

0.1 million years its bigger then 25,000 years

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Below are five number sequences. Which ones are geometric sequences?Check all that apply.A- 1 2 3 4 53 9 27 81 343B. 2, 3, 5, 9, 17,C. 3, -12, 48, -192, 768,D. 3, -15, -33, -51, -69,E., 1 1 1 1

Can someone please actually help me with my math assignments

A car manufacturer is concerned about poor customer satisfaction at one of its dealerships. The management decides to evaluate the satisfaction surveys of its next 69 customers. The dealer will be fined if the number of customers who report favorably is between 40 and 46. The dealership will be dissolved if fewer than 40 customers report favorably. It is known that 73% of the dealer’s customers report favorably on satisfaction surveys. a. What is the probability that the dealer will be fined? (Round "z" value to 2 decimal places, and final answer to 4 decimal places.)b. What is the probability that the dealership will be dissolved? (Round "z" value to 2 decimal places, and final answer to 4 decimal places.)