After simplification, the value of 1-2/1(1+2)-3/(1+2)(1+2+3)-4/(1+2+3)(1+2+3+4)-...-100/(1+2+...+99)(1+2+...+100) is a proper fraction in its lowest form. Find the difference of its numerator and denominator.

Answers

Answer 1

Answer:

Answer: no

Step-by-step explanationn. .......................................................w:eorkeok,feoferkeorkoe

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How do I get the rule

Answers

Stat->edit on the calculator and put the x in the first column and the y in the second.

How many 25cm diameter cake tins will fit into 600mm by 500mm oven space

Answers

The surface of the oven space is 600 × 500 = 300000 mm^2 = 3000 cm^2;
The surface oh a cake tins is π × (25^2) = 625π ≈ 1963 cm^2;
3000 ÷ 1963 ≈ 1.5;
The anser is 1 cake tins fit into oven space.

A field goal kicker has a 90% success rate for field goals less than 40 yards. What is the probability that the kicker makes the next four out of four field goal attempts under 40 yards?Round the percentage to the nearest whole number.

Answers

Answer:

90^4 = 65.61% chance of doing that

Step-by-step explanation:

Kelly decides to pour her punch into 1 quart containers to fit into her refrigerator until the party starts.she has four 1 quart containers.willall of her punch fit into the comtainers?

Answers

It depends how much punch she has. We don't know how many jars she will need if we don't know how much liquid there actually is.

4x – 6x combining like terms

Answers

Answer: -2x

Step-by-step explanation: Very easy maths. Just add 4x + -6x, which is -2x. There's your answer.

since both of the X is to the power of one. You can act as if they’re imaginary. do 4 - 6 which equals -2. then your answer would be -2x.

Find the value of r in (4, r), (r, 2) so that the slope of the line containing them is −53Question 7 options:

a)

−17

b)

-7

c)

7

d)

17

Answers

Answer:

C) 7

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Work Shown:

Use the slope formula

m = (y2-y1)/(x2-x1)

Plug in the given slope we want m = -5/3 and also the coordinates of the points. Then isolate r

m = (y2-y1)/(x2-x1)

-5/3 = (2-r)/(r-4)

-5(r-4) = 3(2-r) .... cross multiplying

-5r+20 = 6-3r

-5r+20+5r = 6-3r+5r .... adding 5 to both sides

20 = 6+2r

20-6 = 6+2r-6 ....subtracting 6 from both sides

14 = 2r

2r = 14

2r/2 = 14/2 .... dividing both sides by 2

r = 7

The slope of the line through (4,7) and (7,2) should be -5/3, let's check that

m = (y2-y1)/(x2-x1)

m = (2-7)/(7-4)

m = -5/3

The answer is confirmed

Answer:

C) 7

Correct answer

Step-by-step explanation:

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