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alukav5142 [94]
3 years ago
13

What is the quotient of 2/9 divided by 4/15

Mathematics
2 answers:
qaws [65]3 years ago
5 0
5/6 2/9 divided by 4/15 is 5/6 because you turn the division sign into a multiplication sign then multiply the reciprocal which is 15/4 So the equation ends up looking like this: 2/9(15/4)
Firlakuza [10]3 years ago
4 0
The answer is 0.8461
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What's the result of: (2/3)³ ​
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Answer:

8/27

Step-by-step explanation:

(2/3)³ = (2/3) (2/3) (2/3)

4 0
3 years ago
Susan has a collection of 90 nickels and dimes. If the number of nickels is five times the number of​ dimes, how many nickels an
AysviL [449]

Answer:

15 Dimes and 75 Nickles

Step-by-step explanation:

N = Nickles

D = Dimes

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Steve increases his math average by nine points over a period of 15 weeks how many points did he per week did his average increa
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3 years ago
Read 2 more answers
Prove the quadratic formula
STALIN [3.7K]

ax² + bx + c = 0

x = (-b ± √(b² - 4ac))/2a


First, rewrite the first equation so that the first coefficient is 1. Divide everything by a.

(ax² + bx + c = 0)/a =

x² + (b/a)x + (c/a) = 0

Isolate (c/a) by subtracting (c/a) from both sides

x² + (b/a)x + (c/a) (-(c/a) = 0 (- (c/a)

x² + (b/a)x = 0 - (c/a)

Add spaces

x² + (b/a)x          =  -c/a

Take 1/2 of the middle term's coefficient and square it. Remember that what you add to one side, you add to the other.

x² + (b/a)x + (b/2a)² = -c/a + (b/2a)²

Simplify the left side of the equation.

x² + (b/a)x + (b/2a)² = (x + (b/2a))²

(x + b/2a))² = ((b²/4a²) - (4ac/4a²)) -> ((b² - 4ac)/(4a²))

Take the square root of both sides of the equation

√(x + b/2a))² = √((b²/4a²) - (4ac/4a²))

x + b/(2a) = (±√(b² - 4ac)/2a

Simplify. Isolate the x.

x = -(b/2a) ± (∛b² - 4ac)/2a = (-b ± √(b² - 4ac))/2a

~

3 0
3 years ago
Btw if you can’t see the numbers it’s 3 3/4 cups apples
Karo-lina-s [1.5K]
The answer is 4 1/4.
3 0
2 years ago
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