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Illusion [34]
3 years ago
15

What is the absolute value of 1/4

Mathematics
1 answer:
VashaNatasha [74]3 years ago
4 0

Answer:

25

Step-by-step explanation:

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Lynn has 4 stacks of quarters.There are 8 quarters in each stack. How many quarters does Lynn have?
aev [14]

Answer:

32

Step-by-step explanation:

4 x 8 = 32

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3 years ago
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What is the area of the rhombus
Sindrei [870]

Answer:

Step-by-step explanation:

area = length of the base x height

height = 9cm

length of the base = 11cm

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What is four and one half x two and five sixths
marshall27 [118]

Answer:

12.75

Step-by-step explanation:

If you multiply 4.5 by [2+(5/6)] you get 12.75

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The amount of the tip is approximately $7.
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4 years ago
The radius of a circular disk is given as 21 cm with a maximum error in measurement of 0.2 cm.
ella [17]

Answer:

a) \Delta A \approx 26.389\,cm^{2}, b) r_{A} \approx 0.019, c) \delta = 1.9\,\%

Step-by-step explanation:

a) The area of the circular disk is modelled after this expression:

A = \pi \cdot r^{2}

The total differential is given by the following formula:

\Delta A = 2\pi r \cdot \Delta r

The maximum absolute error in the calculated area of the disk is:

\Delta A = 2\pi \cdot (21\,cm)\cdot (0.2\,cm)

\Delta A \approx 26.389\,cm^{2}

b) The relative error is given by:

r_{A} = \frac{\Delta A}{A}

r_{A} = \frac{26.389\,cm^{2}}{\pi \cdot (21\,cm)^{2}}

r_{A} \approx 0.019

c) The percentage error is:

\delta = r_{A}\times 100\,\%

\delta = 0.019 \times 100\,\%

\delta = 1.9\,\%

3 0
3 years ago
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