MATHEMATICS HIGH SCHOOL

Also need help for this but dont need to much of a explanation

Answers

Answer 1

Answer:

Slope: 1/2

Step-by-step explanation:

Use rise over run.

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A worker has a gross wage of $560 per week and deductions of ; $180 loan repayments, $145.60 tax,

Answers

Gross wage = 560
loan repayments = 180
tax = 145.60

Net gross wage = 560 - [ 180+145.60 ]
= 560 - 325.6
= 234.4

Peter wants to buy a coat that costs $87 at full price.The coat is now on sale for 40% offPart A: Explain how Peter can use the fact that 10% of $87 is $8.70 to find the amount he will save on the coat

Part B: Use the same method to find the amount Peter would save on a $64 coat that is on sale for 40% off

Answers

Step-by-step explanation:

Hello!

Part A

Peter can use the fact that 10% of 87 is 8.70 to find the amount he would save because 40% is just 4 times bigger than 10% so he can take 8.70 from to total of the coat 4 times to find out how much it cost.

Part B

Using the same method we know that 10% of 64 is 6.40 so we subtract that from the price of the coat 4 times to find out how much it cost

64 - 6.40 = 57.6

57.6 - 6.40 = 51.2

51.2 - 6.40 = 44.8

44.8 - 6.40 - 38.4

The price of the coat is $38.4

Hope this helps!

A moving company charges $800 plus $16 per hour. Another moving company charges $720 plus $21 per hour. How kind is a job that costs the same no matter which company is used?

Answers

800 + 16h = 720 + 21h
80 = 5h
h = 16 hr

1200 + 100d = 3230 – 190d
290d = 2030
d = 7 days

2500 + 150m = 3000 + 125m
25m = 500
m = 20 months

What is the 52nd number of pi?

Answers

5 is the 52nd number in pi

Robert needs to cut four shelves from a board that is 2.5 meters long. The second shelf is 18 centimeters longer than twice the length of the first shelf. The third shelf is 12 centimeters shorter than the first shelf. The remaining shelf is 4 centimeters longer than the first shelf. If Robert must use the entire 2.5 meter board for the shelves, what is the length of the second shelf, in centimeters?

Answers

114cm /1.14m
If we call the length of the first shelf x, shelf two is 2x+18, shelf 3 is x-12 and shelf 4 is x+4.
The total length of board is 250cm
the total length of the shelves is 5x+10 and the whole board is used so 5x+10 = 250
5x = 240 (-10 from both sides)
x = 48 (divide both sides by 5)
board 2 is 2x+18
2 x = 96+18
= 114cm

A museum had 275,608 visitors last year. what is this number rounded to the nearest thousand?