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Shalnov [3]
3 years ago
15

What's 57.8 divided by 81 using compatible numbers?

Mathematics
1 answer:
Arisa [49]3 years ago
7 0
you can estimate 57.8 and 81 then to check you can do 57.8 divided by 81
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Mrs. McCarthy bought 1.5 pounds of chicken from Smiths. She paid a total of $6.75 for the chicken. What was the price per pound?
REY [17]

$ 6.75/ 1.5 lbs

$4.50 per lb

4 0
2 years ago
Mopeds (small motorcycles with an engine capacity below 50 cm3) are very popular in Europe because of their mobility, ease of op
Anika [276]

Answer:

The probability that the maximum speed is at most 49 km/h is 0.8340.

Step-by-step explanation:

Let the random variable<em> </em><em>X</em> be defined as the maximum speed of a moped.

The random variable <em>X</em> is Normally distributed with mean, <em>μ</em> = 46.8 km/h and standard deviation, <em>σ</em> = 1.75 km/h.

To compute the probability of a Normally distributed random variable we first need to convert the raw score of the random variable to a standardized or <em>z</em>-score.

The formula to convert <em>X</em> into <em>z</em>-score is:

z=\frac{X-\mu}{\sigma}

Compute the probability that the maximum speed is at most 49 km/h as follows:

Apply continuity correction:

P (X ≤ 49) = P (X < 49 - 0.50)

                = P (X < 48.50)

                =P(\frac{X-\mu}{\sigma}

*Use a <em>z</em>-table for the probability.

Thus, the probability that the maximum speed is at most 49 km/h is 0.8340.

8 0
3 years ago
Please help me <br><br>thank you ​
Sveta_85 [38]

Answer:

M

Hope this helps!

Take care!

5 0
2 years ago
Read 2 more answers
Somebody please help me answer this
Inga [223]
-2x+4 I am pretty sure
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3 years ago
CDEF is a kite and m
blagie [28]

m < 3 = 90 - 46 = 44 degrees answer.

7 0
3 years ago
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