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1 year ago

Please help me with this please and thank you please actually help me please and thank you

Mathematics

1 answer:

Anton [14]1 year ago

3 0

Answer:

B exactly one

Step-by-step explanation:

y=3x-12 = 3

y= x - (12-2x)

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rjkz [21]

Answer:

240

Step-by-step explanation:

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2 years ago

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In the figure shown, which pair of angles must be supplementary

lana [24]

Answer:

PQT and TQS

Step-by-step explanation:

they must supplement each other to get the 90

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2 years ago

On Sunday, there were 22 inches of snow. The weather finally began to warm up and by Monday afternoon there were 19 inches. Then

sattari [20]

Answer:

22-3d=x

Step-by-step explanation:

where d is the days that it melts and the amount of snow x is the snow that is left.

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1 year ago

A product is composed of four parts. In order for the product to function properly in a given situation, each of the parts must

nirvana33 [79]

Answer:

0.430

Step-by-step explanation:

Product has four parts :

For proper functioning, each part must function :

Let the 4 parts be:

A, B, C and D

Proper functioning probability :

A and B = 0.79

C and D = 0.83

For proper functioning :

P(A) * P(B) * P(C) * P(D)

0.79 * 0.79 * 0.83 * 0.83

= 0.42994249

= 0.430

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2 years ago

Find the expected value of the winnings

Bas_tet [7]

Answer:

2.65

Step-by-step explanation:

Multiply each payout by its probability, then add those products.

See the attached image.

The first column has the payouts. The second column has the probabilities. The third column has the results of multiplying a payout by its probability.

The sum of the entries in the third column is 2.65

6 0

2 years ago

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