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agasfer [191]
3 years ago
6

Two dice are rolled 100 times. The numbers that are face up on the dice are added to get the sum of the roll.

Mathematics
2 answers:
kakasveta [241]3 years ago
8 0
The answer to this question is B!! all the sums rolled will be less than 10
Brut [27]3 years ago
3 0

Answer:

B

Step-by-step explanation:

A dice only goes up to 6 so its a 100%

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Find two positive consecutive odd integers such that the square of the large integer is one less than twice the square of the sm
andre [41]

Step-by-step explanation:

x, x+2 are the two positive consecutive of integers (x + 2, because the minimum distance between 2 odd numbers is always 2, as there can never be 2 odd numbers directly following each other; and neither can even numbers, by the way).

(x+2)² = 2×x² - 1

x² + 4x + 4 = 2x² - 1

0 = x² - 4x - 5

we can solve this by factoring.

that means we need to find a and b so that

(x - a)(x - b) = x² - 4x - 5 = 0

and x = a and x = b are the 2 solutions of the quadratic equation.

x² - ax - bx + ab = x² - 4x - 5 = 0

x² - (a+b)x + ab = x² - 4x - 5 = 0

a+b = 4

ab = -5

that means that either a or b has to be 5 and the other -1.

so, the result is

(x - 5)(x + 1) = 0

x = 5

or

x = -1

are the possible solutions.

since we are only looking for positive integers, x = -1 is not a valid solution.

and only x = 5 remains as valid solution.

therefore, the 2 positive consecutive odd integers are

5, 7

4 0
2 years ago
Given the function f(x), what is the transformation f(x-r), is a real number and r>0?
anastassius [24]

Answer:

0 - r = the graph shifts r units left

Step-by-step explanation:

When you have 2 x intercepts of 0, -r then you shift left to negative

8 0
3 years ago
Please help!!! Thank you
Sedbober [7]

Answer:

5. =8

6= x=20 ur welcome

3 0
3 years ago
Read 2 more answers
-9 - -7 I also need a example for it (try to make the example small the box is not that big) thanks everyone who helps
Sphinxa [80]
It’s positive 2 because if u add or subtract two negative numbers it comes out positive I’m pretty sure
8 0
3 years ago
In a geometry class, the students were asked to prove the theorem below by contradiction.
Readme [11.4K]
<span>The contradiction term for "at most one obtuse angle" is "no obtuse angles
so therefore i conclude that the </span> statement she will  most likely use as an assumption is
  Let each angle of a triangle be acute
so option A is correct
hope it helps
4 0
3 years ago
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