MATHEMATICS HIGH SCHOOL

Which could be the missing first term of the expression that, when fully simplified, would be a binomial with a degree of 4? Check all that apply.________ – 5xy3 + 9x2y

*0
*5xy^3
*9x^2 y
*8y^4
*4xy^3

Answers

Answer 1
Answer: First, if we have a polynomial that the form is as follow P(x,y)=a1x^n-1y^p-1+ a2x^n-2y^p-2 + . . . . + a0xy+c, the degree can be found with the sum of the highest value of power of each term. If the number of term is 3, it is called trinom, if it is 2, the polynomial is called binom. So in our case, 0– 5xy3 + 9x2y is a binom with a degree of 4, because number of term 2, degree =1 + 2 =3, upper than 2+ 1(the second term) 4xy^3– 5xy3 + 9x2y = -xy3 +9x2y, binome degree 4, and the last possibility is 9x^2 y – 5xy3 + 9x2y =18x^2 y – 5xy3, binome degree 4
Answer 2
Answer:

Answer:

A, C, E

Step-by-step explanation:

got it right on edge :)

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What is the reciprocal of 1/5 ?A. –5 B. -1/5 C. 1/5 D. 5

The table below shows the number of hours some college athletes in two states spend on indoor sports each week:State A 7 9 5 4 25 21 6 6 8
State B 14 12 10 13 15 14 11 15 16


Part A: Create a five-number summary and calculate the interquartile range for the two sets of data. (6 points)

Part B: Are the box plots symmetric? Justify your answer. (4 points

Answers

Arrange the data set in ascending order:
State A:   4,   5,    6,   6,   7,    8,   9,  21,  25
State B: 10, 11, 12, 13, 14, 14, 15, 15,  16

5 number summary:
                             State A         State B
minimum                 4                  10
Q1                            5.5               11.5
median                    7                  14
Q3                          15                  15
maximum              25                 16
IQR                         9.5                  3.5

The box plot are not symmetric. The distance of the median from each Q1 and Q3 should be equal for the box plot to be symmetric.

8k-1=15 ? Help I have a question were we have to work this out what do I do?

Answers

8k-1=15\ \ \ \ /+1\n\n8k-1+1=15+1\n\n8k=16\ \ \ \ /:8\n\n8k:8=16:8\n\nk=2
you have to add 1 to  the -1 and you will get 0.What you have to do next is also add 1 to 15 because you want a variable on one side and a number on the other.So now you have 8k=16. So you divide 8 to 8k and you get nothing divide 8 and 16 and your answer for k =2 hope you get it right.trust mw it is very easy when you get use to it 

Pls help meeeeeeeeeeeeee

Answers

Answer:

the right answer is:

  • (A) 2+(1)/(2)a

Step-by-step explanation:

You take the equations that the exercise give you:

  1. x + y = 4
  2. x - y = a

Now you clear the "y" variable in any equation you want, in this case, I'm gonna use the second equation:

  • x - y = a
  • -y = a - x

   3. y =  x - a

And now, you'll replace this third equation in the equation you didn't take (the first in this case).

  • x + y = 4
  • x + (x - a) = 4
  • x + x - a = 4

Add the x variables:

  • 2x - a = 4
  • 2x = 4 + a
  • x = (4 + a) / 2

That's the answer of the exercise, but you can represent this in this form:

  • x = (4 + a) / 2    ↔  x = (4)/(2) + (1)/(2) a
  • x = (4 + a) / 2    ↔  x = 2+ (1)/(2) a

By this reason, the right answer is x = 2+ (1)/(2) a.

What is the gcf of 4? this is worth 25 points I think

Answers

Answer:

The greatest common factor of 4 is 4

Step-by-step explanation:

1*4

2*2

4 is the biggest number that goes into 4

What are the domain and range of the function f(x) = 3^x + 5

Answers

Answer:

Hence,

Domain: (-∞,∞)

Range: (5,∞)

Step-by-step explanation:

The domain of the function is the possible set of values at which the function is defined.

and the range of the function is the corresponding function values at the points of the domain.

e are given a function f(x) as:

f(x)=3^x+5

Clearly the function 3^x is defined for all the real values.

Hence, the function:

f(x)=3^x+5 is defined for all the real numbers.

Hence the domain of the function is: (-∞,∞) i.e. all of the real line.

Also we know that:

3^x>0 for all x.

Hence,

3^x+5>5 for all x.

Hence, the range of the function is:

(5,∞).

Hence,

Domain: (-∞,∞)

Range: (5,∞)
The range is y values and domain is x values 

y intercept here is 5 and since the function is increasing thus the range would be all real values bigger than or equal to 5 

And the domain would be all real numbers. 

Evaluate (a + b)2 for a = 2 and b = 3

Answers

All you need to do is replace the letters by their value


(a+b)

(2+3)

= 5


I hope that's help:)
The answer is (2+3)=5
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