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Leviafan [203]
2 years ago
11

You repeatedly roll an ordinary six-sided die until you roll a perfect square. Let XX be the number of times you roll the die. P

ick the answer choice with the lowest value.
Mathematics
1 answer:
Bumek [7]2 years ago
5 0

Answer:

See below

Step-by-step explanation:

A roll of ' 1 ' or  ' 4 '    would be a perfect square ....two chances out of a possible six rolls    1/3 chance

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Need help with question 5 please
tatyana61 [14]

Answer:

-1/6

Step-by-step explanation:

To find the slope we use

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We want a line perpendicular, so we need the negative reciprocal

- (1/6)

-1/6

4 0
3 years ago
When Bunny and Walter came home from practice, there was a note from their mother sitting on top of a pizza box. “Had to run to
leva [86]

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Answer:

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Step-by-step explanation:

If 1/4 of the 4/4 of the pizza was gone, 3/4 remained. When that is split in half, each half is (3/4)(1/2) = 3/8 of the pizza.

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3 years ago
Solve equation by factoring.
3241004551 [841]

Hi ;-)

x^2+6x-10=30 \ \ /-30\\\\x^2+6x-40=0\\\\a=1, \ b=6, \ c=-40\\\\\Delta=b^2-4ac=6^2-4\cdot1\cdot(-40)=36+160=196\\\\\sqrt{\Delta}=\sqrt{196}=14\\\\x_1=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-6-14}{2}=\boxed{-10}\\\\x_2=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-6+14}{2}=\boxed4

8 0
3 years ago
Work out the mean for the data set below: 6, 4
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Answer:

5

Step-by-step explanation:

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8 0
3 years ago
Number 19 and 20 help someone
Semmy [17]
Omg I have the same page as you. But here’s the first one for number 19

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