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asambeis [7]
2 years ago
6

Two friends, Bob and Ben, each buy one lottery ticket. Each ticket contains six numbers from a total of one hundred numbers (0–9

9). Bob chooses the numbers 1, 2, 3, 4, 5, 6, and Ben chooses the numbers 39, 45, 66, 72, 74, 89. Who has a higher probability of winning?
Mathematics
1 answer:
kramer2 years ago
6 0
For this item, I go with Ben having a higher probability or chance of winning. For lottery, we can never know what combination of numbers will be the winning combination. However, it is better to have your number be scattered as much as possible. 
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An article reports Sales have grown by 30% this year to $200 million, what were sales before the growth?
Varvara68 [4.7K]

Answer:

Price before growth = $ 153.85 million

Step-by-step explanation:

Given:

Percentage = 30%

Rate after Increase =new value= $200 million

To Find:

Sales before growth =old value= ?

Solution:

We Know the formula for Percentage growth which is given by the formula

Percentage growth= \frac{Difference value}{old value}*100%

Now let old value = x

So

Difference = New Value - x

                  = 2000 - x

We have formula

Percentage growth= \frac{Difference value}{old value}*100%

Putting in values

30 %= \frac{Difference value}{old value}*100%

30 = \frac{Difference value}{old value}*100

Putting in values

30 = \frac{200-x}{x}*100

multiplying both sides by x

it becomes

30 x = (200-x)*100

Multiplying inside

30 x = 20000 - 100 x

Adding 100 x on both sides

30 x + 100 x = 20000 - 100 x + 100 x

it becomes

130 x = 20000

Dividing both sides by 130

\frac{130*x}{130}=\frac{20000}{130}

itgives us

x = $ 153.85 million

Price before growth = $ 153.85 million

8 0
2 years ago
A clock is constructed using a regular polygon with 60 sides. The polygon rotates each minute, making one full revolution each h
Maksim231197 [3]

Answer:

D. 42

Step-by-step explanation:

6 0
2 years ago
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What is 528−−√+63−−√528+63 in simplest radical form?
Montano1993 [528]

Answer: 13\sqrt{7}

Step-by-step explanation:

In the simple radical form there are no square root is remain to find.

Since, the given expression,

5\sqrt{28} + \sqrt{63}

5\sqrt{4\times 7} + \sqrt{9\times 7}

5\sqrt{4} \times \sqrt{7} + \sqrt{9}\times \sqrt{7}

5\times 2 \times \sqrt{7} + 3\times \sqrt{7}

10 \sqrt{7} + 3\sqrt{7}

(10 + 3)\sqrt{7}

13\sqrt{7}

Since, we do not need to find further square root of 7.

Thus, the required radical form of 5\sqrt{28} + \sqrt{63} is 13\sqrt{7}.

6 0
2 years ago
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Ray LR is to be added to the diagram so that it is opposite
olga nikolaevna [1]

Answer:

Your answer is A. Just took a online test

8 0
2 years ago
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Herky was given the following system of equations to solve. 3 x minus 2 y = 17. x minus 3 y = 1.
ioda

Answer:

(7, 2 )

Step-by-step explanation:

Given the 2 equations

3x - 2y = 17 → (1)

x - 3y = 1 → (2)

Rearrange (2) expressing x in terms of y by adding 3y to both sides

x = 1 + 3y → (3)

Substitute x = 1 + 3y in (1)

3(1 + 3y) - 2y = 17 ← distribute and simplify left side

3 + 9y - 2y = 17

3 + 7y = 17 ( subtract 3 from both sides )

7y = 14 ( divide both sides by 7 )

y = 2

Substitute y = 2 into (3) for corresponding value of x

x = 1 + 3(2) = 1 + 6 = 7

Solution is (7, 2 )

5 0
2 years ago
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