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3 years ago

It is possible to measure the length of a ____

Mathematics

2 answers:

crimeas [40]3 years ago

7 0

Answer:

a line segment

Step-by-step explanation:

a line and a ray cannot be measured because they move infinity in one or both directions

gogolik [260]3 years ago

6 0

Line segment

Flad to answer ;D So, a line segment is a piece or part of a line having two endpoints. Unlike a line, a line segment has a definite length. The length of a line segment can be measured either in metric units such as millimeters, centimeters, or customary units like feet or inches.

Hope u get the explanation :)

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3 years ago

Evaluate the given integral by changing to polar coordinates. sin(x2 + y2) dA R , where R is the region in the first quadrant be

koban [17]

Set

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So we have

$\displaystyle\iint_R\sin(x^2+y^2)\,\mathrm dA=\int_0^{\pi/2}\int_2^3r\sin(r^2)\,\mathrm dr\,\mathrm d\theta=\boxed{\frac\pi4(\cos4-\cos9)}$

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3 years ago

Luis has four times as much dime than quaters. total is $6.75

baherus [9]

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3 years ago

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Anna enjoys dinner at a restaurant in Washington DC where the sales tax on meals is 5%. She leave a 20% tip on the price of her

Maru [420]

Answer:

52.40

Step-by-step explanation:

Discussion

Suppose the meal starts out as x.

She pays 5% of x as a sales tax

So that brings the total up to 100% + 5% = 105%

Before paying, she pays 20% on x as her tip. The tax does not touch the tip.

So that brings the total up to 100% + 5% + 20% = 125% of this is based on x, the cost of the meal.

So 125% of x = 65.50 change the % to a fraction

125/100 * x = 65.50 Multiply both sides by 100/125

125/100 * 100/125x = 100/125 * 65.50

x = 100/125 * 65.50 Multiply by 100

x = 6550 / 125 Divide by 125

Check

Tax = 5% * 52.40 = 5/100 * 52.40 = 2.62

Tip = 20%*52.40 = 20/100 * 52.40=10.48

Meal = 52.40

Total 65.50 Just as it should

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3 years ago

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Mumz [18]

Answer:

x > -3/7

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6x - 2(x + 2) > 2 - 3(x + 3)

Distribute the two and three inside the parenthesis.

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Combine like terms.

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Add 4 to both sides.

4x > -3x - 3

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Divide both sides by 7.

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