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Anvisha [2.4K]
3 years ago
6

Is x²-x divisible by 2?​

Mathematics
2 answers:
Verizon [17]3 years ago
5 0

Answer:

Step-by-step explanation:

No, because (x^2-x)/2 does equal x^2/2-x/2. Honestly, it really depends on the value of x, as it provide whether or not the expression is divisible by 2.

bagirrra123 [75]3 years ago
3 0

Answer:

Yes

Step-by-step explanation:

There are two cases: Case 1: x is even, so x can be modelled as a generic number 2n, where n is a positive integer. Clearly this product is divisible by two. ... Hence, it is safe to generalise that the term x²-x is divisible by 2 for any positive integer x.

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The Apple, Inc. sales manager for the Chicago West Suburban region is disturbed about the large number of complaints her office
ankoles [38]

Answer:

0.6856

Step-by-step explanation:

\text{The missing part of the question states that we should Note: that  N(108,20) model to } \\ \\  \text{ } \text{approximate the distribution of weekly complaints).]}

Now; assuming X = no of complaints received in a week

Required:

To find P(77 < X < 120)

Using a Gaussian Normal Distribution (\mu =108, \sigma = 20)

Using Z scores:

Z = \dfrac{77-108}{20} \\\\ Z = -\dfrac{35}{20} \\ \\  Z  -1.75

As a result  X = 77 for N(108,20) is approximately equal to  to Z = -1.75 for N(0,1)

SO;

Z = \dfrac{120-108}{20} \\ \\  Z = \dfrac{12}{20}\\ \\  Z = 0.6

Here; X = 77 for a N(108,20) is same to Z = 0.6 for N(0,1)

Now, to determine:

P(-1.75 < Z < 0.6) = P(Z < 0.6) - P( Z < - 1.75)

From the standard normal Z-table:

P(-1.75 < Z < 0.6) = 0.7257 - 0.0401

P(-1.75 < Z < 0.6) = 0.6856

3 0
2 years ago
A restaurant charges `\$3` for `8` cookies.A restaurant charges `\$3` for `8` cookies. At this rate, how much would it cost to b
butalik [34]

Answer:

i think its like 10 to 12$

Step-by-step explanation:

7 0
2 years ago
Solve For X. Solve similar triangles (advanced)​
satela [25.4K]
4+3 = 7
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So x will be 3.9
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3 years ago
I need help ASAP its question 14
Sedaia [141]
The answer is A. 25%
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6 0
3 years ago
Relative to Delhi, Mumbai and Kolkata are located opposite to each other. Name city of India which is located opposite to Bangal
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Mumbai and Kolkata are located opposite to each other. Haryana is located to opposite to Bangalore as related to Delhi.

Answer From Gauth Math

7 0
3 years ago
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