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telo118 [61]
3 years ago
5

Mike made a 9 inch sub sandwich. He needs to cut it into 2/3 inch pieces. How many pieces will he be able to cut?

Mathematics
1 answer:
katen-ka-za [31]3 years ago
6 0
Given that <span>Mike made a 9 inch sub sandwich which he needs to cut it into 2/3 inch pieces.</span>

The number of pieces he will be able to cut is given by

\frac{9}{ \frac{2}{3} } = \frac{9\times3}{2} = \frac{27}{2} =13.5

Therefore, he will be able to cut out 13 pieces with a remainder that is not up to the size of the other pieces.
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Given P(X) = 0.5, P(Y) = 0.4, and P(Y|X) = 0.3, what are P(X and Y) and P(X or Y)?
scZoUnD [109]

Use the definition of conditional probability to find the "and" probability:

P(Y\mid X)=\dfrac{P(X\cap Y)}{P(X)}\implies P(X\cap Y)=0.3\times0.5=0.15

Use the inclusion/exclusion principle to find the "or" probability:

P(X\cup Y)=P(X)+P(Y)-P(X\cap Y)=0.5+0.4-0.15=0.75

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3 years ago
Find the norder taylor polynomials of the given function f(x)=cosx
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We have already seen how to approximate a function using its tangent line. This was the key idea in Euler’s method. If we know the function value at some point (say f (a)) and the value of the derivative at the same point (f (a)) we can use these to find the tangent line, and then use the tangent line to approximate f (x) for other points x. Of course, this approximation will only be good when x is relatively near a. The tangent line approximation of f (x) for x near a is called the first degree Taylor Polynomial of f (x) and is: f (x) ≈ f (a) + f (a)(x − a) 
6 0
3 years ago
Gina, Sam, and Robby all rented movies from the same video store. They each rented some dramas, comedies, and documentaries. Gin
weqwewe [10]
Solve using equations:

Gina 11 = a+b+c
Sam 27 = 2a+3b+2c
Robby 19= a+2b+2c

Gina *2 give 22=2a+2b+2c (subtract this from Sam to give)
b=5

the subtract Robby from Gina *2 to give a=3



[Question 1]
let d = number of dramas Gina rented, c = # of comedies, and t = # of documentaries:

[equation a] d + c + t = 11
[equation b] 2d + 3c + 2t = 27
[equation c] d + 2c + 2t = 19

if we subtract [a] from [c] we get:
[equation d] c + t = 8

if we subtract [c]*2 from [b] we get:
[equation e] -c - 2t = -11 or
[equation e] c + 2t = 11

Now we can subtract [e] from [d] to solve for t:
t = 3

Now put in 3 for t in [d] or [e] to solve for c:
c + 2(3) = 11
c + 6 = 11
c = 5

So she rented 5 comedies and 3 documentaries which leaves 3 dramas (which is answer A)
6 0
3 years ago
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Answer: this is so zenskinsta can have brainliest

Step-by-step explanation:

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3 years ago
I need help on this math problem ASAP.
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Answer:

This shape is a rectangle so that means that the angles are 90°. From sum of angles of a triangle, x + 3x + 10 + 90 = 180 which means 4x + 100 = 180 → 4x = 80 → x = 20°.

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