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ExtremeBDS [4]
3 years ago
8

If a/b = 2/3, then 3a = ___.

Mathematics
1 answer:
Paul [167]3 years ago
4 0

Answer:

2b

Step-by-step explanation:

a/b = 2/3

3a = 2b

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In a genetics experiment on peas, one sample of offspring contained green peas and yellow peas. Based on those results, estimate
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Complete Question

In a genetic experiment on peas, one sample of offspring contained 436 green peas and 171 yellow peas. Based on those results, estimate the probability of getting an offspring pea that is green. Is the result reasonably close to the value of 3/4 that was expected? The probability of getting a green pea is approximately: Is the probability reasonably close to 3/4?

Answer:

The  probability is  P(g) =0.72

Yes the result is reasonably close

Step-by-step explanation:

From the question we are told that

   The  number of  of  green peas is  g =  436

     The number of yellow peas is  y  = 171

   The sample size is  n  =  171 +  436 =  607

The probability of getting an offspring pea that is green is mathematically represented as

       P(g) = \frac{g}{n}

        P(g) = \frac{436}{607}

        P(g) =0.72

Comparing  P(g) =0.72  to   \frac{3}{4}  =  0.75 we see that the result is reasonably close

7 0
4 years ago
Ms. Jones washed 2/5 of her laundry. Her son washed 1/4 of it. How much of the laundry still needs to be washed?
Andrew [12]

Answer:

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Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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77%<br> Calculate the area of this triangle.<br> 14 cm<br> 11 cmi<br> 18 cm
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Answer:

A = 99 cm²

Step-by-step explanation:

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A = \frac{1}{2} × 18 × 11 = 9 × 11 = 99 cm²

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