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Oliga [24]
3 years ago
6

Rafael has a bag of marbles. There are 5 green marbles, 6 red marbles, and 4 white marbles, Rafael picks a marble out of the bag

without looking. What is the probability of P(red OR white)
Mathematics
1 answer:
Llana [10]3 years ago
6 0

Answer:

10/15 or 2/3

Step-by-step explanation:

15 marbles and if you add 6 red and 4 white that is 10 out of 15 marbles

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A store has two brands of pencils on sale for the day. Brand A comes in packs of 4 and Brand B comes in packs of 10. If an equal
Gre4nikov [31]
A - 4
B - 10
looking for the LCM (least common multiple)
4 and 10 can both be divided evenly into 20
20 = LCM
4 0
3 years ago
Find the Taylor series for f(x) centered at the given value of a. (Assume that f has a power series expansion. Do not show that
Kobotan [32]

Answer:

Here we just want to find the Taylor series for f(x) = ln(x), centered at the value of a (which we do not know).

Remember that the general Taylor expansion is:

f(x) = f(a) + f'(a)*(x - a) + \frac{1}{2!}*f''(a)(x -a)^2 + ...

for our function we have:

f'(x) =  1/x

f''(x) = -1/x^2

f'''(x) =  (1/2)*(1/x^3)

this is enough, now just let's write the series:

f(x) = ln(a) +  \frac{1}{a} *(x - a) - \frac{1}{2!} *\frac{1}{a^2} *(x - a)^2 + \frac{1}{3!} *\frac{1}{2*a^3} *(x - a)^3 + ....

This is the Taylor series to 3rd degree, you just need to change the value of a for the required value.

3 0
3 years ago
How many 2/3 's make up 4 1/5
miskamm [114]

Answer:

6³/₁₀

Step-by-step explanation:

Number of bits = Total amount/Size of each bit

                         = (4⅕)/(⅔)

Convert the mixed number to an improper fraction

No. = (²¹/₅)/(⅔)

Invert the denominator and change division to multiplication

No. = ²¹/₅ × ³/₂

Multiply numerators and denominators.

No. = ⁶³/₁₀

Convert the improper fraction to a mixed number.

No. = 6³/₁₀

It takes 6³/₁₀ ⅔s to make up 4⅕.

3 0
3 years ago
How do you solve this? Need help please
nirvana33 [79]

Answer:

2x^2/3yz^7

Step-by-step explanation:


6 0
3 years ago
Find the value of x, if f(x)=3x-15 when f(x)=30​
musickatia [10]

Answer:

f(30)= 75

Step-by-step explanation:

3(30)-15

90-15

75

8 0
2 years ago
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