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enyata [817]
3 years ago
13

PLEASE HELP ASAP!! You used your new smart watch to record your heart rate every morning for 15 days. Select the dot plot that r

epresents the given data. 68, 69, 73, 76, 69, 73, 73, 73, 74, 77, 72, 69, 70, 73, 76
Mathematics
1 answer:
Artyom0805 [142]3 years ago
8 0

The dot-plot for the data is sketched at the end of this answer.

--------------------------

  • The dot plot shows the <u>number of times each measure appears in the data-set.</u>

<u />

  • 68 appears once, thus it is 1 in the dot-plot.
  • 69 appears three times, thus it is 3 in the dot-plot.
  • 70 appears once, thus it is 1 in the dot-plot.
  • 71 does not appears, so it is 0.
  • 72 appears once, thus it is 1 in the dot-plot.
  • 73 appears five times, so it is 5 in the dot-plot.
  • 74 appears once, thus it is 1 in the dot-plot.
  • 75 does not appears, so it is 0.
  • 76 appears twice, thus it is 2.
  • 77 appears once, so it is 1.

The sketch is given at the end of this answer.

A similar problem is given at brainly.com/question/24908406

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How many 5-letter combinations can be created from the letters in the word "friendly"?
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3 years ago
What is 83 divided by 3
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4 0
3 years ago
Perform the indicated operations. Write the answer in standard form, a+bi.<br> (5 + 6i)(5 - 6i)
lubasha [3.4K]

\boxed{\underline{\bf \: ANSWER}}

\sf \: ( 5 + 6 i ) ( 5 - 6 i )

Multiply complex numbers 5+6i and 5-6i in the same way as you multiply binomials.

\dashrightarrow \sf 5\times 5+5\times \left(-6i\right)+6i\times 5+6\left(-6\right)i^{2}

By definition, i² is -1.

\dashrightarrow \sf 5\times 5+5\times \left(-6i\right)+6i\times 5+6\left(-6\right)\left(-1\right)

Do the multiplications.

\dashrightarrow \sf \: 25-30i+30i+36

Now cancel -30i & +30i

\dashrightarrow \sf \: 25 \:  \bcancel{- 30i}  \:  +  \: \bcancel{30i}+36

Now the equation becomes

\dashrightarrow \sf \: 25 \:  + 36 \\ \dashrightarrow  \boxed{\bf \: 61}

________

Hope it helps.

ŕάίήвόώşάĻţ2²2²

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3 years ago
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Answer:

Step-by-step explanation:

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