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Vinil7 [7]
3 years ago
13

6a3-5b2+2c2-3a2bc if a=5 b=2c=-1

Mathematics
1 answer:
I am Lyosha [343]3 years ago
6 0
6a3-5b2+2c2-3a2bc if a=5 b=2c=-1
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Help plz..And No links!! I repeat No links!! If you don’t know the answer don’t saying anything this is important
OlgaM077 [116]

Answer:

169.65

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Using the Binomial Probability table, find P(X) when n = 7, X < 3, and p = 0.5 A. 0.273 B. 0.500 C. 0.227 D. 0.773
Nat2105 [25]

Answer:

0.227

Step-by-step explanation:

Given that X is binomial with n=7 and p =0.5

To find the probability for P(X<3)

i.e. we have to find prob as =P(x=0,1,2)

=P(X=0)+P(X=1)+P(x=2)

P(X=r)=7Cr(0.5)^7

Using binomial table we find prob

P(X<3)=0.2265

Round off this to 3 decimals as

0.227

Hence answer is 0.227

8 0
3 years ago
Complete the pattern 5, 9, 17, 33, ____, 129
k0ka [10]
The answer should be 65.  The number be added is doubled.  +4,+8, +16, +32 So 32+33=65       65+64=129
7 0
3 years ago
Statisticians use ______ scores to divide the ______ under a curve the way people use a knife to cut pizza. Just as the pizza is
solong [7]

Answer:

Statisticians use z-scores to divide the area under a curve the way people use a knife to cut pizza.

Step-by-step explanation:

Statisticians use z-scores to divide the area under a curve the way people use a knife to cut pizza.

z-score:

  • A z-score is a numerical measurement which is measured in terms of standard deviations from the mean.
  • Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

  • If a z-score is 0, it tells that the data point is same as the mean.
  • Area under the normal curve is 1.
6 0
3 years ago
Simplify the following expression. 3 2/5x3(-7/5)
Studentka2010 [4]

The simplified expression of 32/5 x 3(-7/5) is  -672/25

<h3>How to simplify the expression?</h3>

The mathematical expression is given as:

32/5 x 3(-7/5)

Evaluate the product of 3 and -7/5

32/5 x 3(-7/5) =  32/5 x -21/5

Evaluate the product of 32 and -21

32/5 x 3(-7/5) =  672/5 x -1/5

Evaluate the product of 5 and 5

32/5 x 3(-7/5) =  672/25 x -1

So, we have:

32/5 x 3(-7/5) =  -672/25

Hence, the simplified expression of 32/5 x 3(-7/5) is  -672/25

Read more about expressions at:

brainly.com/question/723406

#SPJ1

8 0
2 years ago
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