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ivanzaharov [21]
3 years ago
8

What is the area of rectangle with the length of 5/8 in a width of 4/9 foot​

Mathematics
1 answer:
VladimirAG [237]3 years ago
8 0

Answer:

he was a member of the first paragraph of the first paragraph of the first paragraph of the first paragraph of the first paragraph of the first paragraph of the first

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Estimate the following quantities without using a calculator. Then find a more precise result, using a calculator if necessary.
zubka84 [21]

Explanation:

a. It is so easy to double a number that no approximation is necessary.

  31,000 × 200 = 3.1×10⁴ × 2×10² = 6.2×10⁶ exactly

__

b. 6.2×10³ × 5.2×10⁶ ≈ 6×5×10⁹ = 3×10¹⁰ approximately

The approximation can be refined a bit by taking the ".2" into account:

  6.2×10³ × 5.2×10⁶ ≈ (6×5 + .2×(6+5))×10⁹

  = 32.2×10⁹ = 3.22×10¹⁰ approximately

Actual product: 3.224×10¹⁰.

For most purposes, the approximation is an adequate approximation, as it it within 10% of the actual value.

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c. 9×10⁶ -2.3×10⁴ ≈ 9×10⁶ approximately

A better approximation is to actually subtract an approximation of the smaller number:

  9×10⁶ -2.3×10⁴ ≈ (9 - 0.02)×10⁶ ≈ 8.98×10⁶ approximately

The actual value uses all of the digits of the smaller number:

  9×10⁶ -2.3×10⁴ ≈ (9 - 0.023)×10⁶ = 8.977×10⁶ exactly

As in part B, either approximation is adequate for most purposes, as the difference from the actual value is less than .3%.

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The accuracy required of an approximation, hence the work you expend improving accuracy, should depend on the need in the final application of the number. Often, approximations are used for budget or resource planning purposes where some "slop" is allowed or even expected.

They can also be used in engineering applications, where the error needs to be on the side of more safety (rather than less).

7 0
3 years ago
Please need this by the 16th
Pani-rosa [81]

Answer:

60

Step-by-step explanation:

12 can be broken into 3*4

15 = 5*3

The least  factors are

3*4*5 = 60

The lowest common denominator is 60

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3 years ago
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Can someone please give me the 3 different combinations i dont know which combinations to do
Reil [10]
They can all equal 5
7 and -2
9 and -4
5 and 0
5 0
2 years ago
Solve for c in the scientific formula
vodomira [7]

Step-by-step explanation:

C = wtc/1000

to solve for C, we have to make C the subject.

1000(C)= wtc

1000c =wtc

divide both sides of the equation by wt

1000c/wt= c this problem is not correct, check it again and let me know

4 0
3 years ago
On a coordinate plane, a curved line, labeled f of x, with a minimum value of (negative 1.9, negative 5.7) and a maximum value o
Ksju [112]

Answer:

D- F(x)  > 0 over the intervals ( –2.5, –0.75) and (0.75, ∞).

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