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scoundrel [369]
2 years ago
6

Tamara finds the sum of two number cubes rolled at the same time. The chart below shows all possible sums from the 36 possible c

ombinations when rolling two numbers cubes. How many times should Tamara expect the sum of two cubes be equal to nine if she rolls the two number cubes 252 times

Mathematics
1 answer:
timurjin [86]2 years ago
3 0

Answer:

triangle

Step-by-step explanation:

triangle triangle

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"Complete the square" to convert the equation of each circle to graphing form. Identify the center and the radius.
Reil [10]

Answer:

The center is (-3,2) and the radius is r=2

Step-by-step explanation:

The general equation of the given circle is

x^2+6x+y^2-4y=-9

Add the square of half the coefficient of the linear terms to both sides of the equation to obtain;

x^2+6x+3^2+y^2-4y+(-2)^2=-9+3^2+(-2)^2

x^2+6x+9+y^2-4y+4=-9+9+4

x^2+6x+9+y^2-4y+4=4

The quadratic trinomials in x and y on the left side of the equations are perfect squares.

We factor to obtain;

(x+3)^2+(y-2)^2=4

(x--3)^2+(y-2)^2=2^2

Comparing to:

(x-h)^2+(y-k)^2=r^2

The center is (-3,2) and the radius is r=2

8 0
3 years ago
Of the 25 sheep in a flock 34% are white. how many sheep are white
Iteru [2.4K]
8.5 sheep are white. 34% of 25 is 8.5.
7 0
3 years ago
April and Cody invest $5,000 each at their local bank. April invests at a 4% simple interest rate, and Cody invests at a 4% inte
maria [59]

Answer:

  • $24.32

Step-by-step explanation:

<u>The difference in balances is:</u>

  • 5000*(1 + 0.04)^3 - 5000*(1 + 0.04*3) =
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3 0
3 years ago
3x ^ 3 - x ^ 2 Determine if the expression is polynomial or not . If it is a polynomial , state the type and degree of the polyn
kaheart [24]

Answer:

The given expression is a cubic polynomial with degree 3.

Step-by-step explanation:

We are given the following in the question:

3x^3-x^2

Polynomial:

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  • It  consisting of variables and coefficients.
  • The variables and coefficients involves only the operations of addition, subtraction, multiplication, and non-negative integer exponents of variables.

Since, the given expression satisfies all the properties, it is a polynomial.

Degree of polynomial:

  • It is the maximum degree of the polynomial.

The degree of given polynomial is 3.

Nature of polynomial:

It is a cubic polynomial.

8 0
3 years ago
you choose a marble at random from a bag containing 12 red,12 blue,15 green,9 yellow and 12 black marbles
nirvana33 [79]

Answer:

okay i will pick one red one and i hope this helps lol

Step-by-step explanation:

7 0
3 years ago
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