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yKpoI14uk [10]
3 years ago
15

8. What is the radius of a circle when the

Mathematics
2 answers:
Bezzdna [24]3 years ago
7 0

Answer:

radius = circumference ÷ 2× po

Step-by-step explanation:

the radius is 2.55 but it's not in ur options

Naddika [18.5K]3 years ago
3 0

Answer:

C. 8 cm

Step-by-step explanation:

Given that C = 2πr and π ≈ 3.14159,

C = 2πr

16 = 2πr (substitute)

16/2π = 2πr/2π (remove 2π by dividing both sides with the said term)

8/π = r

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3 years ago
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This meal originally costs $75. Fatima used a 20% off coupon and then tax was added. The total after coupon and tax was $75.
Savatey [412]

The discount given on the cost of the meal is $15

<h3>How to calculate tax on a given price</h3>

According to the question, we are given the following information

The original cost of the meal = $75

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Required

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5 0
2 years ago
24. Find the area of the shaded region:
Monica [59]

Answer:

A = 5x³ + 17x² - 35x - 30

Step-by-step explanation:

the shaded area (A) is calculated as

A = outer area - inner area

   = (5x + 3)(x² + 4x - 10) - 3x(2x - 1) ← distribute parenthesis

   = 5x³ + 20x² - 50x + 3x² + 12x - 30 - (6x² - 3x)

  = 5x³ + 23x² - 38x - 30 - 6x² + 3x ← collect like terms

  = 5x³ + 17x² - 35x - 30

7 0
2 years ago
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Find the recursive formula for 15,12,9,6,
makkiz [27]
An=an-1-3

I hope this helps.
4 0
3 years ago
When looking at a problem how can you tell if it is a power of power rule or power of product rule
LiRa [457]

Power of power rule:

Zero-Exponent Rule: a0 = 1, this says that anything raised to the zero power is 1. Power Rule (Powers to Powers): (am)n = amn, this says that to raise a power to a power you need to multiply the exponents. ... Only move the negative exponents.

Power of product rule:

The exponent "product rule" tells us that, when multiplying two powers that have the same base, you can add the exponents. ... Adding the exponents is just a short cut! Power Rule. The "power rule" tells us that to raise a power to a power, just multiply the exponents.


8 0
3 years ago
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