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IgorC [24]
3 years ago
11

22/3 into a mixed number

Mathematics
2 answers:
fenix001 [56]3 years ago
6 0

22/3 as a mixed number is 7 1/3.

Hope this Helps!!

iogann1982 [59]3 years ago
5 0

22/3 = 7 1/3

Hope This Helps!

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Jen knows that (-1, 41) and (5, 41) lie on a parabola defined by the equation y=4x^2-16x+21. How can I find the coordinates of t
andreyandreev [35.5K]
The vertex is at (2, 5).

To find the vertex, we first find the axis of symmetry; this is given by

x = -b/2a

For our equation, b = -16 and a = 4:
x = -(-16)/2(4) = 16/8 = 2

We substitute this back into our equation:
y = 4(2)² - 16(2) + 21 = 4(4) - 32 + 21 = 5

Therefore the vertex is at (2, 5).
8 0
3 years ago
A population of rabbits is doubling every 20 days. On day 15, there are 42 rabbits. How many rabbits did the population start wi
Nimfa-mama [501]

Answer:     So, if it just magically doubles every 20 days, and its only been 15 days, then it would've started with 42, but I'm not sure since I can't see the original problem

Step-by-step explanation:

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3 years ago
Is this table proportional?<br> explain
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Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
consider the followin polynomials equations a=3x2(x-1) b= -3x3+4x2-2x+1 . perform each operation and determine if the result is
Sedaia [141]

Answer:

All three operations lead to polynomials.

See explanations below.

Step-by-step explanation:

Polynomial a = 3x^2(x-1)=3x^3-3x^2

Polynomial b = -3x^3+4x^2-2x+1

Therefore:

a + b = 3x^3-3x^2+(-3x^3+4x^2-2x+1)=\\=3x^3-3x^2-3x^3+4x^2-2x+1=\\=x^2-2x+1

where we have combined all like terms. This is clearly another polynomial (of grade 2)

a - b (here we need to flip all signs inside the parenthesis when we remove this grouping symbol):3x^3-3x^2-(-3x^3+4x^2-2x+1)=\\3x^3-3x^2+3x^3-4x^2+2x-1=\\6x^3-7x^2+2x-1

which is clearly another polynomial (but of grade 3)

a * b : (here we use distributive property to multiply each term of the first polynomial by each term of the second one, and then combine like terms)

(3x^3-3x^2)*(-3x^3+4x^2-2x+1)=\\-9x^6+12x^5-6x^4+3x^3+9x^5-12x^4+6x^3-3x^2=\\-9x^6+21x^5-18x^4+9x^3-3x^2 which is indeed another polynomial (this time of grade 6)

5 0
4 years ago
One large submarine sandwiches is divided equally among four people how much of the sandwich did each person receive
wlad13 [49]
Each person received one quarter, which can be written as 1/4 or 0.25.
6 0
4 years ago
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