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harkovskaia [24]
3 years ago
6

Margaret ran 2 more miles than Lynn. The sum of their distances is 20 miles.

Mathematics
1 answer:
LenaWriter [7]3 years ago
8 0
A.) m = Margaret's distance
L = Lynn's Distance

B.) m = L + 2
L = m - 2

C.) L + m = 20

D.) Margaret ran 11 miles

E.) Lynn ran 9 miles

the work is a mess but it's here if you want it

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olga_2 [115]

Answer:

x=8

Step-by-step explanation:

Given

AB||CD

\angle ABC = 5x + 50

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Required

Find x

If AB||CD i.e. If AB is parallel to CD, then

\angle ABC = \angle BCD

Substitute values for ABC and BCD

5x + 50 = 7x + 34

Collect Like Terms

5x - 7x = -50 + 34

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Multiply through by -\frac{1}{2}

-\frac{1}{2} * -2x = -16 * -\frac{1}{2}

\frac{1}{2} * 2x = 16 * \frac{1}{2}

\frac{2x}{2} = \frac{16}{2}

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3 years ago
If using the method of completing the square to solve the quadratic equation x² - 16x - 38 = 0, which number would have to be ad
Ray Of Light [21]

Answer:64

Step-by-Step

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7 0
3 years ago
A college Statistics class conducted a survey concerning community attitudes about the college's large homecoming celebration. T
gogolik [260]

Answer:

A) Yes

B) No

C) No

D) No

Step-by-step explanation:

A) Yes, every telephone number that could occur in that community will have an equal chance of being generated because the telephone numbers were generated randomly.

B) No, this method of generating telephone numbers would not result in a simple random sample (SRS) of local residences because the first three digits were generated in a different random way than the last four digits.

C) No, this method would not generate an SRS of local voters because not everybody will be pick up when they call because they may not be at home or they may be too busy to pick up.

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4 0
3 years ago
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Answer:

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Step-by-step explanation:

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(8)(180) = 1440.

Now, to find one interior angle in the decagon, divide 1440 by the number sides in our polygon (10).

1,440/10 = 144

               = <u>144 degrees</u>

7 0
3 years ago
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zaharov [31]
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5 0
3 years ago
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