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Aloiza [94]
3 years ago
14

Jay estimates that a basketball weights about .5 pounds. Shawna estimates that a basketball weights about.05. Whose estimate is

probably closer to the actual weight of the basketball.Ezplain your answer.
Mathematics
1 answer:
Natasha_Volkova [10]3 years ago
8 0

Answer:

Jay's estimate is closer to the actual weight of the basketball

Step-by-step explanation:

The standard weight of an NBA basketball is 1.4 pounds.

Judging the accuracy of Jay's and Shawna's answer based on their percentage error when compared with the standard, we have that Jay's answer has a lower error as shown below

Error  = (Standard value - Estimated value)/ Standard Value ×100

Error in Jays answer = \frac{1.4 - 0.5}{1.4} × 100 = 64.28 %

Error in Shawna's answer = \frac{1.4 - 0.05}{1.4} × 100 = 96.42%

From this, It is obvious that Jay's answer has a lower percentage error when compared to the actual value.

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Step-by-step explanation:

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3 years ago
A bag contains purple marbles and blue marbles, 49 in total. The number of purple marbles is 6 less than 4 times the number of b
brilliants [131]

Purple = p

Blue = b


Step 1: Write as an algebraic equation.

p = 4b - 6

p + b = 49


Step 2: Rearrange p + b = 49 to make p the subject.

p + b = 49

p = 49 - b


Step 3: Write p = 4b - 6 and p = 49 - b into one equation.

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Step 4: Move all b values onto one side.

p = 5b = 55


Step 5: Find the value of one blue marble.

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Step 6: If there are 11 blue marbles and there are 49 marbles in total, then find the number of purple marbles.

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p = 38


ANSWER:

There are 38 blue marbles.

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Answer:

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Step-by-step explanation:

we will use pythagoras theorem

Given that,

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and the leg missing is called x.

we will use Pythagorean's Theorem

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