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ohaa [14]
3 years ago
5

How long does it take a kangaroo to travel 5 kilometer

Mathematics
1 answer:
vagabundo [1.1K]3 years ago
8 0
1 Second is how long
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Considering the expression x/2 + y2. Which statements are true?Mark all that apply.
Svet_ta [14]

Answer:

  D.  8/2 +(-10)² = 104

Step-by-step explanation:

To find which statements are true, evaluate the expression for the given variable values. You do this by putting the numbers in place of the respective variables, then doing the arithmetic.

The respective expression values are ...

  A 83 ≠ 37 . . . . (4/2) +9² = 2 +81 = 83

  B 31 ≠ 61

  C 52 ≠ 61

  D 104 =104 . . . . true statement

__

I find it less tedious to write a function into a calculator or spreadsheet and let it do the repetitive math. Examples of the calculation are shown above.

7 0
2 years ago
(5x^4-2x^3-7x^2-39)÷(x^2+2x-4)
lana [24]

Using the Polynomial Division: Divide 5x^{4}−2x^{3} -7x^{2} -39 by x^{2} +2x−4 using long polynomial division.

Answer to the Polynomial Division: 5x^{2} -12x+37+\frac{-122x+109}{x^{2}+2x-4}


4 0
2 years ago
0.13x0.11=????????????????
andre [41]

Answer:

0.0143 in decimal form

Step-by-step explanation:

3 0
3 years ago
What is the equation of the quadratic graph with a focus of (3, 1) and a directrix of y = 5?
lbvjy [14]

Answer:

The equation of the quadratic graph is f(x)= - (1/8) (x-3)^2 + 3 (second option)

Step-by-step explanation:

Focus: F=(3,1)=(xf, yf)→xf=3, yf=1

Directrix: y=5 (horizontal line), then the axis of the parabola is vertical, and the equation has the form:

f(x)=[1 / (4p)] (x-h)^2+k

where Vertex: V=(h,k)

The directix y=5 must intercept the axis of the parabola at the point (3,5), and the vertex is the midpoint between this point and the focus:

Vertex is the midpoint between (3,5) and (3,1):

h=(3+3)/2→h=6/2→h=3

k=(5+1)/2→k=6/2→k=3

Vertex: V=(h,k)→V=(3,3)

p=yf-k→p=1-3→p=-2

Replacing the values in the equation:

f(x)= [ 1 / (4(-2)) ] (x-3)^2 + 3

f(x)=[ 1 / (-8) ] (x-3)^2 + 3

f(x)= - (1/8) (x-3)^2 + 3

4 0
3 years ago
To write a polynomial as a product is to _ _ _ _ _ _ it.
Alborosie

Answer:

factor is the answer

Step-by-step explanation:

I took the test

3 0
3 years ago
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