What is the study of mathematical probabilities, distributions and deviations?

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Answer 1

Answer: Statistics. Statistics is a branch of mathematics which is the scientific study of mathematical values pertaining to qualitative descriptions and transcribe them into quantifying values such as the descriptive statistics and infuses these quantities in the field of inferential statistics. In these two categories involve probabilities, distribution and deviations which are mainly compositions of the descriptive statistics. Inferential statistics will involve comparison and variation of the given values. Methods are t-test, analysis of variance, and two-way analysis of variance and other methods.

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Answer:answer choices?

Step-by-step explanation:

How do I solve b^2-5b-24=0

Answers

$b^2-5b-24=0\n \na=1 , \ b=-5, \ c= -24 \n \n \Delta =b^2-4ac = (-5)^2 -4\cdot1\cdot (-24) = 25 +96 =121 \n \nx_(1)=(-b-√(\Delta) )/(2a)=(5-√(121))/(2 )=( 5-11)/(2)=(-6)/(2)=-3$

$x_(2)=(-b+√(\Delta) )/(2a)=(5+√(121))/(2 )=( 5+11)/(2)=(16)/(2)= 8\n \nAnswer: x=-3 \ \ \ or \ \ \ x=8$

$b^2-5b-24=0\n b^2-8b+3b-24=0\n b(b-8)+3(b-8)=0\n (b+3)(b-8)=0\n b=-3 \vee b=8$

F(x)=-x+4 and g(x)=-2x-3 solve for f(g(x)) x=2

Answers

input
f(g(x))=-(g(x))+4=
g(x)=-2x-3
so
if x=2
f(g(2))=-(g(2))+4
g(2)=-2(2)-3=-4-3=-7

f(g(2))=-(-7)+4=7+4=11

f(g(2))=11

Divide. (6a4 + 2a3) ÷ 2a

Answers

$(6a^4+2a^3):2a=(6a^4+2a^3)/(2a)=(6a^4)/(2a)+(2a^3)/(2a)=3a^3+a^2\n\n\nD:a\neq0$

Multiplying polynomials
find the product
(5n+6)(5n-5)

Answers

$(5n+6)(5n-5) =5n\cdot 5n -5n\cdot 5+6\cdot 5n-6\cdot 5=\n \n=25n^2-25n+30n-30 =25n^2+5n-30$

The solution of expression after multiplying is,

⇒ 25n² + 5n - 30

We have to given that,

To multiplying polynomials is,

⇒ (5n + 6) (5n - 5)

Now, We can multiply as,

⇒ (5n + 6) (5n - 5)

⇒ 5n × 5n + 5n × - 5 + 6 × 5n + 6 × - 5

⇒ 25n² - 25n + 30n - 30

⇒ 25n² + 5n - 30

Therefore, The solution is,

⇒ 25n² + 5n - 30

Learn more about the multiplication visit:

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3x + 7y, 8x + 4y, 13x + y, 18x - 2y, 23x - 5y, ...

Answers

☆Let's simplify step-by-step:
☆Question you asked:
3x+7y(8)x+4y(13)x+y(18)x−2y(23)x−5y
=3x+56xy+52xy+18xy+−46xy+−5y

☆Combine Like Terms:
=3x+56xy+52xy+18xy+−46xy+−5y
=(56xy+52xy+18xy+−46xy)+(3x)+(−5y)

☆Answer:
=80xy+3x+−5y

☆I hope this helps!☆

- - Solve:
$3x+7y(8)x+4y(13)x+y(18)x-2y(23)x-5y$

- - Solve again:

$=3x+56xy+52xy+18xy+-46xy+-5y$

- - Now we need to Combine Like Terms:
= $=3x+56xy+52xy+18xy+-46xy+-5y$

= $(56xy+52xy+18xy+-46xy)+(3x)+(-5y)$

= $80xy+3x+-5y$

- - Final answer:
$80xy+3x-5y$

✡ Hope this helps! ✡

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Please help with question 2! BRAINLIEST to correct answer!!!

5 + 3 = 2/7p - 11 what is the value of p?