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seraphim [82]
2 years ago
10

A= 1/2 π r ^2 solve for pi

Mathematics
1 answer:
iogann1982 [59]2 years ago
7 0

Answer:

Well thats pretty easy. the answer is non-determineable

Step-by-step explanation:

prove me wrong

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Kamila [148]
The first one is y=16
3 0
3 years ago
How do I solve this equation: -2(n+2)²-4(n+2)?
ser-zykov [4K]

Answer:

-2n^2 - 12n, that's how I understand

3 0
3 years ago
A hot-air balloon starts 6 feet above the ground and then rises 20 feet each minute.
kari74 [83]

At starting hot-air balloon starts 6 feet.

So, at t = 0 , h = 6 feet.

Now, distance travelled per minute is 20 feet.

So, extra distance travelled in t minutes is 20t feet.

Now,

Total height = Staring height + increase in height w.r.t time.

h = 6 + 20t

Therefore, the height h in feet as a function of time t in minutes is h = 6 + 20t .

Hence, this is the required solution.

8 0
3 years ago
Rita bought a pair of jeans for $89. The sales-tax rate is 11 percent. What is the total amount she paid for the jeans?
andre [41]

Total amount paid by Rita is $98.79

Step-by-step explanation:

  • Step 1: Given sales tax = 11% and cost of jeans = $89
  • Step 2: Calculate amount of sales tax = 11% of 89 = 11/100 × 89 = $9.79
  • Step 3: Calculate the total amount

Total Amount = 89 + 9.79 = $98.79

5 0
3 years ago
The cat is 12 feet above the ground and the ladder is 9 feet away from the tree because of the mud. How long does the ladder nee
marin [14]

Answer:

15 feet

Step-by-step explanation:

The ladder is the hypotenuse of a right triangle, with the legs being 9 ft and 12 ft long (see the picture).

To solve for the length of the ladder, use the Pythagorean Theorem.

9^{2} +12^{2} =c^{2} \\c=\sqrt{9^{2} +12^{2}} \\c=\sqrt{81+144} \\c=\sqrt{225} \\c=15

4 0
2 years ago
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