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zaharov [31]
3 years ago
5

Please I need to get this done by tomorrow

Mathematics
2 answers:
Ostrovityanka [42]3 years ago
5 0

Answer: The correct answer is 8 meters

Step-by-step explanation:

Circumference=2pi*r or

and diameter=2r

in your case, the circumference is 25.12 miles, so we plug it in to the first formula:

25.12=2pi*r

12.56=3.14*r

4=r

and since 2r=diameter, the diameter is 8

* Hopefully this helps:) Mark me the brainliest:)!!

<em>∞ 234483279c20∞</em>

Alenkinab [10]3 years ago
4 0

Answer:

i think it is 8

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galina1969 [7]
The answer is x=5
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4 0
3 years ago
What is the factored form of the expression 9x2 + 6x + 1?
DanielleElmas [232]

Answer:

(3x + 1)²

Step-by-step explanation:

Given

9x² + 6x + 1 ← is a perfect square of the form

(ax + b)² = a²x² + 2abx +  b²

Compare like terms to find a and b

a²x² = 9x² ⇒ a² = 9 ⇒ a = \sqrt{9} = 3

b² = 1 ⇒ b = \sqrt{1} = 1

and 2ab = 2 × 3 × 1 = 6

Thus

9x² + 6x + 1 = (3x + 1)²

4 0
3 years ago
What is the final price (before sales tax) for a set of golf clubs that cost $800 if they are on sale for 30% off?
Anastasy [175]

Answer:

D. $560

Step-by-step explanation:

800 x .3 equals 240.

800 minus 240 gives you 560

Mark me as brainliest if this helps!

4 0
2 years ago
What is the product in simplest form? State any restrictions on the variable. Is it 1,2,3 or 4
mart [117]

Answer: I think its C

Step-by-step explanation:

6 0
3 years ago
Francis paid $36.54 for a computer software program after a fifteen percent discount was applied to the original selling price.
tigry1 [53]

Answer:

$42.02

Step-by-step explanation:

15% discount therefore if you want to find the original price it would be 100% plus 15% = 115%

Multiply the percentage (convert to decimal first) with the discounted value:

1.15(36.54) = 42.021

3 0
3 years ago
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