3 years ago

you spin the spinner then flip the coin. what is the probability of spinning an even number and then flipping heads

Mathematics

1 answer:

alexgriva [62]3 years ago

5 0

25% probability of both happening

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Find two numbers, if their sum is 49 and their difference is 1/2 .

amm1812

Answer:

$x=24\frac{3}{4}\\ y=24\frac{1}{4}$

Step-by-step explanation:

Let the two numbers be x and y

So we have:

$x +y = 49\\x-y=\frac{1}{2}$

using the elimination method, add the two equations together:

$2x=49\frac{1}{2} \\2x=\frac{99}{2}$

solve for x:

$x=\frac{99}{4}\\x=24\frac{3}{4}$

substitute our value for x back into the first equation we made:

$x+y=49\\(\frac{99}{4}) + y=49\\y=49-\frac{99}{4}\\y=\frac{97}{4} \\ y=24\frac{1}{4}$

therefore,

$x=24\frac{3}{4}\\ y=24\frac{1}{4}$

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3 years ago

IM Not too sure on this. can someone please help me out?

DENIUS [597]

All it is asking is to plug the given x values into the equation (which are 0, 2, 4) and see what you get for y.
4y - 2x =16

4y - 2 (0) = 16
4y = 16
y = 4

4y - 2 (2) = 16
4y - 4 = 16
4y = 20
y = 5

4y - 2 (4) = 16
4y - 8 = 16
4y = 24
y = 6

so D

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3 years ago

Can't somebody help me math work please i need help

valentina_108 [34]

Answer:

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Step-by-step explanation:

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steposvetlana [31]

i think the answer is 1/3 from 8x 6 =-46.7 i think

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Which fraction has a terminating decWhich is the decimal expansion of StartFraction 7 Over 22 EndFraction? ModifyingAbove 0.318

12345 [234]

Answer:

17?15

Step-by-step explanation:

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