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2 years ago

10

a coin is tossed 80 times, it lands on heads 30 times and on tails 50 times. which three statements (shown below) are correct wh

en comparing the experimental and theoretical probability?

1 answer:

lakkis [162]2 years ago

5 0

Answer:

Its A C and D

Step-by-step explanation:

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Lena [83]

Answer:

120.9

Step-by-step explanation:

I dunno if this is right or wrong but this is what a calculated somehow please tell me if this is wrong or not

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3 years ago

SIZIF [17.4K]

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3 years ago

[-1 + (-4)] + (6/7 + 1/7)

Radda [10]

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Step-by-step explanation:

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3 years ago

What is the expanded form of the decimal 444.3? A) (4 x 100) + (4 x 10) + (4 x 1) + (3 x 1 10 ) B) (4 x 100) + (4 x 10) + (4 x 1

Tpy6a [65]

444.3 = (4 x 100) + (4 x 10) + (4 x 1) + (3 x 1 /10 )

Answer

A. (4 x 100) + (4 x 10) + (4 x 1) + (3 x 1 /10 )

6 0

2 years ago

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How many solutions exist for the given equation? StartFraction one-half left-parenthesis x plus 12 right-parenthesis equals 4 x

Firlakuza [10]

Answer:

One solution x = 2

Step-by-step explanation:

Given the equation:

$\dfrac{1}{2}(x+12)=4x-1$

Multiply this equation by 2:

$2\cdot \dfrac{1}{2}(x+12)=2\cdot (4x-1)\\ \\x+12=2(4x-1)$

Use distributive property:

$x+12=8x-2$

Combine the like terms:

$x+12=8x-2\\ \\x+12-12=8x-2-12\\ \\x=8x-14\\ \\x-8x=8x-14-8x\\ \\-7x=-14\\ \\7x=14\\ \\x=2$

Thus, this equation has one solution x = 2

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3 years ago

Read 3 more answers