What are numbers that are not equal to 4.0

Answers

Answer 1
Answer:

Answer:

4.1 and 4.2

Step-by-step explanation:

Answer 2
Answer: 4.1 & 4.2




Well the person above was correct

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According to the Fundamental Theorem of Algebra, how many roots exist for the polynomial function? f(x) = 4x5 – 3x

What are the first four terms of the sequence given by the formula below an=-2n+4

Answers

an = -2n + 4 ; where n is the sequence number or order.

a1 = -2(1) + 4 
a1 = -2 + 4
a1 = 2

a2 = -2(2) + 4
a2 = -4 + 4
a2 = 0

a3 = -2(3) + 4
a3 = -6 + 4
a3 = -2

a4 = -2(4) + 4
a4 = -8 + 4
a4 = -4

So the first four terms of the sequence are: 2, 0, -2, -4

The answer is:

2, 0, -2, -4

From the digits 9, 8, 7, 5, 3, and 1, find the number of positive even integers each consisting of three digits.a)36
b)25
c)3

Answers

even integers
they alwasy end with an even number
the only listed one is 8

find how may 2 number combos you can make with remaining 5 numbers
assuming you can repeat number
5 options, 2 slots
5*5=25

25 ways

answe ris B

The correct answer is 36.

The perimeter of an isosceles triangle is 15.6m. Find the lengths of its sides, if: b The base is 3m bigger than a leg

Answers

Answer:

Length of an isosceles triangle is, 3.12 m

Step-by-step explanation:

Given: Perimeter of an isosceles triangle is 15.6 m.

Let a be the length of sides and b be the base of an isosceles triangle respectively.

To find the length of the sides(a);

Isosceles triangle is a triangle with two equal sides and two equal base angles.

Perimeter of the isosceles triangle is the sum of the three sides i,e

Perimeter(P) = a +b +a = 2a +b              

also it is given that; the base is 3 m bigger than a leg.

⇒ b = 3 a

Substitute this in perimeter formula;

P = 2a +3a =5a

Substitute the value of perimeter = 15.6 m

we have;

15.6 = 5a

Divide both sides by 5 we get;

(15.6)/(5) = (\5a)/(5)

Simplify;

a  = 3.12 m

Therefore, the length of the sides of an isosceles triangle is, 3.12 m



Answer:

The legs are 4.2m long.

The base is 7.2m long.

Step-by-step explanation:

x=leg

y=base

We can write two equations with the information given.

y=x+3

2x+y=15.6

We can solve this as a system of equations.

y=x+3

-(2x+y=15.6) - make the bottom equation negative.

-2x=x-12.6 - add the bottom to the top, canceling out the y.

-2x+12.6=x - add 12.6 to both sides.

12.6=3x - add 2x to both sides.

4.2=x - divide both sides by 3.

x=4.2

Now we can solve for y.

y=x+3

y=(4.2)+3 - substitute in the x.

y=7.2

Charlie is 24 years older than Marty. If the total years old of both are 130, find the years old of each one.

Answers


C- Charlie

M-Marty

C=24+M

C+M=130

_______

24+M+M=130

2M=106

M=53

C=53+24=77

C=77


x-Charlie\ age\ny-Marty\ age\n\nChrlie\ is\ 24\ years\ older\ than\ Marty:x=y+24\nThe\ total\ years\ old\ of\ both\ are\ 130:x+y=130\n\nTherefore\ we\ have:\n  \left\{\begin{array}{ccc}x=y+24&(1)\nx+y=130&(2)\end{array}\right\n\nsubtitute\ (1)\ to\ (2):\n\n(y+24)+y=130\ny+24+y=130\n2y+24=130\ \ \ \ |subtract\ 24\ from\ both\ sides\n2y=106\ \ \ |divide\ both\ sdies\ by\ 2\n\boxed{y=53}

Subtract\ the\ value\ of\ y=53\ to\ the\ (1):\n\nx=53+24=\boxed{77}\n\n\boxed{  \left\{\begin{array}{ccc}x=77\ny=53\end{array}\right}\n\nAnswer:\nCharlie\ age:77\nMarty\ age:53

Which products result in a sum or difference of cubes? Check all that apply.A=(x – 4)(x2 + 4x – 16)
B=(x – 1)(x2 – x + 1)
C=(x – 1)(x2 + x + 1)
D=(x + 1)( + x – 1)
E=(x + 4)(x2 – 4x + 16)
F=(x + 4)(x2 + 4x + 16)


Sum of cubes:
(a + b)(a2 – ab + b2) = a3 + b3
Difference of cubes:
(a – b)(a2 + ab + b2) = a3 – b3

Answers

C and E.
Formulas for sum of cubes and difference of cubes are:
a^3 + b^3 = (a + b) * (a^2 - a*b + b^2)
a^3 - b^3 = (a - b) * (a^2 + a*b + b^2)
-----------------------------------------------------
So, when you check each A, B, C, D, E, F, you can see that ONLY C and E satisfy the operators in both first and second parentheses.

Answer:

if you're from edge, the answer is C and E

Step-by-step explanation:

What is the directrix of the parabola defined by 1/4(y 3)=(x-2)^2?

Answers

for
(x-h)^2=4p(y-k)
vertex=(h,k)
p=vertical distance from vertex to directix
when p is negative, the directix is above the vertex
when p is positive, the directix is below the vertex

(x-2)^2=1/4(y+3)
(x-2)^2=4(1/16)(y+3)
p=1/16
it's positive so we know directix is below vertex
vertex is (2,-3)
go 1/16 down
-3-1/16=-48/16-1/16=-49/16
directix is y=-49/16 aka y=-3.0625

Answer:

y=-49/16

Step-by-step explanation: