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olya-2409 [2.1K]
3 years ago
7

If 4 raffle tickets is 6 dollars how much is 1 raffle ticket

Mathematics
1 answer:
sertanlavr [38]3 years ago
8 0
4/6 = 1/x cross multiple so x= 1.5 dollars
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You are investing $1500 at 5.2% compounded annually. How much money will you have in 12 years?
erica [24]

Answer:

$2756.01  to the nearest cent.

Step-by-step explanation:

A = P(1 + r)^t     where A is the amount after t years, P = amount invested, r = rate as a decimal fraction.

So here, we have:

A = 1500(1 + 0.052)^12

= 1500 * 1.837337

= $2756.01

8 0
3 years ago
Find all natural numbers n such that 1+3+5+7+...+(2n-1) sum is divisible by 4
Ierofanga [76]

n ∈ natural even numbers

Step-by-step explanation:

1 + 3 + 5 + 7 + … + (2n-1)

  • a = 1
  • b = 2
  • Uₙ = 2n - 1

sum of the first n terms :

Sₙ = n/2(a + Uₙ)

Sₙ = n/2(1 + 2n - 1)

Sₙ = n/2(2n)

Sₙ = n²

∴ so, the solution of n is all natural even numbers

6 0
3 years ago
Read 2 more answers
Help me if you understand thanks sm
kumpel [21]
First, find the slope of the line using the formula for slope:

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

m = (4 - (-2)) / (-3 - 2) = -6/5

Then, use the point-slope formula using a point that you were given and the slope that you calculated.

y - y1 = m(x - x1)

y - 4 = (-6/5)(x + 3)

Then, simply get y alone.

y = (-6/5)x + 2/5
3 0
2 years ago
PLEASE HELP WILL GIVE BRAINLY TO CORRECT ANSWER
Tatiana [17]
So to find the percent do 96 divided by 800 since 96 people will be getting the part and there is 800 people trying out
You should get 12 so 12 percent

Any questions? Just ask below
7 0
3 years ago
Prove that x-y = √(x+y)^2-4xy?
Svetlanka [38]

Proved Below

\Longrightarrow x-y = \sqrt{(x+y)^2-4xy}

\Longrightarrow x-y = \sqrt{x^2+2(x)(y)+ y^2-4xy}

\Longrightarrow   x-y = \sqrt{x^2+2xy-4xy+y^2}

\Longrightarrow x-y = \sqrt{x^2-2xy+y^2}

\Longrightarrow x-y = \sqrt{(x-y)^2}

\Longrightarrow x-y =x-y

6 0
2 years ago
Read 2 more answers
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