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Art [367]
3 years ago
13

Three parcels weigh 2 pounds. Two parcels weigh the same. The lightest weight is 5/8 pound lighter than the heaviest weight. How

much do each of the parcels weigh?
A: 1/8, 1/8, 3/4
B: 1/4, 1/4, 3/2
C: 5/8, 5/8, 3/4
D: 7/8, 7/8, 1/4
Mathematics
1 answer:
tankabanditka [31]3 years ago
4 0
Its D if you want to give it a shoot but im 75% sure is D hope you got it right. :)
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The first friend

Step-by-step explanation:

Because if you distributed the 7 then you will also get 7x.

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Alright I need help again and I will award brainliest if you are correct
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3 years ago
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You have just completed an experiment measuring the length (in mm) of 12 soybean plants after 3 days of sprouting. The measureme
sweet-ann [11.9K]

Answer:

The new IQR is 22.    

Step-by-step explanation:

We are given the following data of  length (in mm) of 12 soybean plants after 3 days of sprouting.

53, 47, 51, 54, 43, 39, 61, 57, 55, 46, 44, 43

Sorted data:

39, 43, 43, 44, 46, 47, 51, 53, 54, 55, 57, 61

Formula:

IQR = Q_3 - Q_1\\Q_3 = \text{upper median},\\Q_1 = \text{ lower median}

Median:\\\text{If n is odd, then}\\\\Median = \displaystyle\frac{n+1}{2}th ~term \\\\\text{If n is even, then}\\\\Median = \displaystyle\frac{\frac{n}{2}th~term + (\frac{n}{2}+1)th~term}{2}  

Median ==\dfrac{6^{th}+7^{th}}{2} \dfrac{47+51}{2} = 49

Q_1 =\dfrac{3^{rd}+4^{th}}{2} = \dfrac{43 + 44}{2} = 43.5\\\\Q_3 =\dfrac{9^{th}+10^{th}}{2}= \frac{54 + 55}{2} = 54.5

IQR = Q_3 -Q_1 =54.5-43.5= 11

If every measurement is doubled, then, the IQR will also double itself.

Thus,

New IQR =

2\times \text{IQR}\\=2\TIMES 11\\=22

Thus, the new IQR is 22.

4 0
3 years ago
In isosceles triangle △ABC, AC is the base and AD is the angle bisector of ∠A. What are the measures of the angles of this trian
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Answer:

<h2>Step-by-step explanation:<em><u> The triangle is isosceles, meaning it has two twin sides, that make two twin angles, namely AB = BC, and the angles at A and C are twins as well. </u></em></h2><h2><em><u> </u></em></h2><h2><em><u>now, the AD segment, is an angle bisector, meaning it cuts the angle at A in two equal halves, so if say the angles are x° each, then the bisectors cut it in (x/2)°. </u></em></h2><h2><em><u> </u></em></h2><h2><em><u>now, we know ∡ADB is 110°, therefore its supplementary angle, in green, is 70°. </u></em></h2><h2><em><u> </u></em></h2><h2><em><u>recall that the sum of all interior angles in a triangle is 180°, thus Check out the photo below </u></em></h2>

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2 years ago
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