MATHEMATICS MIDDLE SCHOOL

Find the standard form of equation of the line that passes through the points (5,-9) and (2,-3)A) 2x-y=-1
B) 2x-3y=3
C) 2x+y=1
D) x+2y=1

Answers

Answer 1
Answer: (5,-9) and (2,-3)
y-y1=m(x-x1)
m=slope
(x1,y1) is a given points

slope=(y2-y1)/(x2-x1)
(x,y)
slope=(-3-(-9))/(2-5)=6/-3=-2
y-y1=-2(x-x1)
y-(-3)=-2(x-2)
y+3=-2x+4
2x+y=1


C

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What do you do in this problemAfter traveling for 6.0 Second runner reaches a speed of 10m/s. What is the runners acceleration

Answers

so it took him 6 seconds to get to 10 mph

10/6 = 1 2/3 so he is accelerating at a pace of 1 and 2/3 miles per second

Hope this helps

Answer:

6 seconds to 10 mph would be 2.6

Step-by-step explanation:

the price of a bike after a discount was $250. If the discount was 60% how much was the original cost of the bike?​

Answers

Answer is:249.96 equally to 250

Explanation:250×100=25000

25000÷60=416.6

416.6×60=24,996

24,996×100=249.96

Final answer:

In order to calculate the original cost of a discounted item, you can adjust the discounted price by dividing it by 1 minus the discount percentage. Therefore, using this method, the original cost of a bike which cost $250 after a 60% discount was $625.

Explanation:

The given question refers to a situation where a bike has been bought for $250 after a discount of 60%. In such a scenario, we want to find out the original cost of the bike before the discount was applied.

To get the original price, we will adjust the equation for the discount, which is Original Price = Discounted Price / (1 - Discount Percentage).

Here, replacing the values / variables provided in the question into the equation, we get:
Original Price = $250 / (1 - 0.60) = $250 / 0.40 = $625.

Therefore, the original cost of the bike was $625.

Learn more about Percentage calculation here:

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Is there a relationship between the area and perimeter of a rectangle?

Answers

Don't think so, area has nothing to do with perimeter.
Area you multiply the length and base , but perimeter you multiply length x width x height or also know as LxWxH.  ex. area. Length = 4. height = 2. 4 x 2 = 8. your area is 8. perimeter. length = 4. width = 2 . height = 3. 4x2x3=24. your perimenter is 24.

The area of a triangle is 24 square inches. What is the height of the triangle if the base length is 8 inches?CHOICES

6 inches

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Answers

The formula for the area of a ∆ is 1/2bh. So since you already have the area, solve for x.
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Fred wants to carpet his bedroom that measures 12 ft by 15 ft. The Carpet cost $25 per square yard. How much will it cost Fred to carpet his bedroom?

Answers

12 ft by 15 ft is 180 square feet. 180 square feet is 20 square yards. So take 20 multiplied by 25$ and thats how much money you have to spend to carpet Fred's room. so basically 500$
it cost about 100 bucks to but a carpet in Fred's bedroom because the measurements are 12ft by 15ft & the carpet cost 25 per square yard

An assistant receives a 10% raise bringing the salary to 47,633 what was the salary before the raise

Answers

The answer is 4763. Hope that helped d:
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