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3 years ago

The number 4 on a dice was thrown 7 times in the first 50 throws.

Mathematics

1 answer:

STatiana [176]3 years ago

4 0

Answer:

4 would be rolled 60 times when the dice was thrown 3000 times.

Step-by-step explanation:

3000/50 is how many times 4 would be rolled

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X + 3y = 14 -5x + 6y = -28 Solve systems by substitution

mote1985 [20]

Rearrange the first system to get x = -3y + 14. Substitute that into the other system.

$-5x+6y=-28\\\\-5(-3y+14)+6y=-28\\\\15y-70+6y=-28\\\\15y-70+6y=-28\\\\21y-70=-28\\\\21y=42\\\\y=2$

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3 years ago

What is the average rate of change in f(x) over the interval [4,13]?

mestny [16]

we know that

Average Rate of Change. is the change in the y-value divided by the change in the x-value for two distinct points on the graph

$A=\frac{(f(b)-f(a))}{(b-a)}$

in this problem

$a=4\\ b=13\\ f(a)=f(4)=8\\ f(b)=f(13)=11$

substitute the values in the formula above

$A=\frac{(11-8)}{(13-4)} \\ \\ A=\frac{3}{9}$

Divide by $3$ both numerator and denominator

$A=\frac{1}{3}$

therefore

the answer is

$\frac{1}{3}$

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mrs_skeptik [129]

Answer: Part one (NEGATIVE) Part two is C (EVEN DEGREES OF FOUR OR GREATER)

Step-by-step explanation:

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3 years ago

The sum of Alan’s age and Bob’s age is 40.

Nutka1998 [239]

Carl is 2 yrs older than bob. Because Alan+Carl is 2 more than Alan+bob
So bob=16 and Carl is 18
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And Alan is 24

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It's definitely A, gotta be.

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