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1

1 2 1

1 3 3 1

1 4 6 4 1

the third row has an average of 2, so n =3

thank you!

Sorry, it says incorrect. Can someone else pls answer? CPhill or ElectricPavlov

3.75S + 1.75G = 155

S=G+12

3.75(G+12) +1.75G = 155

5.5g + 45 = 155

5.5g = 110

g=20

s=32

Function F is dividing 

Function H is multiplying

Cross multiply: \(3(3x-1) = 2(4x-4)\)

Simplify: \(9x - 3 = 8x - 8\)

Subtract 8x from both sides: \(x - 3 = -8\)

Add 3 to both sides: \(x = \color{brown}\boxed{-5}\)

Its not right; sorry. can someone pls HELP!

A bathtub contains 60126012 gallons of water. When the drain plug is pulled, the tub drains at an average rate of 4.5 gallons per minute. In how many minutes will the amount of water in the bathtub be 24.5 gallons?

Time ==Distance / speed

[2.4  x  10^5] x 2 ==4.8  x  10^5 miles - distance from Earth to Moon AND back

1 mile ==1,609344 km

4.8  x  10^4 miles  x  1.609344 km==772,485.12 km - distance from Earth to moon AND back.

1 km ==1,000 meters

772,485.12 km  x  1,000 m ==772,485,120 meters - distance from Earth to moon ANd back.

772,485,120 / [3  x  10^8] ==2.5749504 seconds - time it takes light to go from Earth to Moon AND back.

Try https://www.mathsisfun.com/money/compound-interest.html 

Given BE is 5, and CD is 3, we can tell that BED is a 3 - 4 - 5 triangle, so BC = 1. Via a similar translation, AGC is congruent to BED. By the same logic, GFE is congruent to AHB. The ratio of GF to FE is BC to CintersectionBE. Which is 4:3. Given GE is 3, and GFE is a 3-4-5 triangle, FE is 1.8 units long, which is equal to BH which in mixed number, is 1 and 4/5.

The total number of ways to get from (0,0) to (4,6) as learned in basic counting is 4 + 6 choose 4. 10 choose 4 = 210.

The number of ways to get from (0,0) to (2,4) is 6 choose 2, and the ways to get from (2,4) to (4,6) is 4 choose 2. Total ways is 15 * 6 = 90

Why calculate that? So now we can know the total number of ways to get their, and the total number of ways to get from the origin to (4,6) that pass through the frog and subtract the two totals. 

210 - 90 = 120 total ways Marvin can reach his home.

2n/n = 2

2 - 2n/(n + 1) = f(n) * 2

1 - n/(n + 1) = f(n)

n > or = to 0.

1 - 0 = f(0)

1/2 = f(1)

1/3 = f(2)

1 - 3/(3 + 1) = 1/4 = f(3)

So you can see the pattern, and thus f(n) = 1/(n + 1)

First row is 1

then 1,1

then 1, 2, 1

then 1, 3, 3, 1 = average of 2. n = 3

The equation is the graph of a parabola, if we start at a point above 120, then the first point that we hit 120 feet is on its way down. Note that 144 is the y-intercept so we start from there, we can only stay in quadrant one since you cannot go back in time. Plugging in 120 as y, you get 16t^2 - 28t = 24. 

4t^2 - 7t = 6

Approximately 2.38 seconds

The solutions are 2 + i, 2 - i, 4 - 3i, and 4 + 3i.

can you explain your answer?

Im not sure how you got it.

Thanks in advance