MATHEMATICS HIGH SCHOOL

A news station in oregon recorded that the low temperature for 5 days were -3,-2,2,2, and 6.what was the average temperature for those days

Answers

Answer 1
Answer:  [ (- 3) + (-2) + 2 + 2 + 6 ] / 5 = 5 / 5 = 1.
Answer 2
Answer:

Answer:

answer is 1

Step-by-step explanation:

Sum of numbers = -3-2+2+2+6 = 5

Count = 5

So, Average = 5/5

=> Average = 1

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What is the y-intercept of y=-2x+6?​

Answers

The y-intercept is 6 or (0,6)

Answer:

6 is the y-intercept of y = -2x + 6

Step-by-step explanation:

hope this helps :)

The assignment is about : Subtract Polynomials What i have to do : Subtract the polynomials, showing all the steps necessary to write the answer in simplest form. 1. (3x^1 + 8) - (2x^2 + 1)

2. (5x^2 + 3x - 4) (x^2 - 6x )

please show work

Answers

1. 3x^1 + 8 - (2x^2 + 1).....distribute the negative thru the parenthesis
    3x^1 + 8 - 2x^2 - 1....now combine like terms
    -2x^2 + 3x^1 + 7

2. 5x^2 + 3x - 4 - (x^2 - 6x)...same thing..distribute
    5x^2 + 3x - 4 - x^2 + 6x...combine like terms
    4x^2 + 9x - 4

Hey can anyone help I'm so confused on how to this :)

Answers

I believe that it is 576 inches cubed. You would do length x width x height and get 576.

What is the ordered pair is the vertex of y=-|x+4|

Answers

Answer: The vertex of the given function is (-4,0).

Step-by-step explanation:

Since, the standard form of an absolute function is,

y = a|x-h| + k

Where (h,k) is the vertex of the function,

Here, the given function is,

y = -|x+4|

⇒ y = (-1)|x-(-4)| + k

By comparing,

We get, a = -1, h = -4 and k= 0

Hence, the vertex of the given function is (-4,0).
vertex:\n\nx+4=0\to x=-4\n\nvertex\ is\ (-4;\ 0)\n\nlook\ at\ the\ picture

What is the point-slope equation of the line with slope -12 that goes through the point (5,3)

Answers

Hello,
the equation is y-3=-12(x-5)==>y=-12x+63
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How to solve these question?

Answers

1a) Time = Distance/Speed 

t= 20/x seconds 

b) d=25m 
s= x+0.5 m/s 
t= d/s = 25/x+0.5 

c) total time = 6 seconds
therefore, 20/x + 25/x+0.5 = 6
make a common denominator of x(x+0.5):

(20(x+0.5) + 25x)/x(x+0.5) = 6
move the demoninator to the other side, and expand  to form:

20x+10+25x = 6x(x+0.5)
45x+10= 6x^2 +3x 
tidying it up (moving everything to one side)
6x^2 - 42x-10 = 0 
divide everything by 2
3x^2-21x-5= 0 (as required)

d) use quadratic formula to solve

e) therefore, what does x equal? 

hope this helps 
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