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1 year ago

Please answer and show work!!!!!!!!!

Mathematics

1 answer:

bixtya [17]1 year ago

4 0

⚘Kindly refer to the attachments for complete solutions!!~

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Find the sum of the geometric sequence. 1, one divided by two, one divided by four, one divided by eight, one divided by sixteen

igomit [66]

$a_1=1;\ a_2=\dfrac{1}{2};\ a_3=\dfrac{1}{4};\ a_4=\dfrac{1}{8};\ a_5=\dfrac{1}{16};\ ...\\\\d=a_2:a_1\\\\d=\dfrac{1}{2}:1=\dfrac{1}{2}\\\\|d| \ \textless \ 1\ therefore\ the\ sum\ S\ of\ the\ geometric\ sequence\ is\ equal:\\\\S=\dfrac{a_1}{1-q}\\\\subtitute\\\\S=\dfrac{1}{1-\frac{1}{2}}=\dfrac{1}{\frac{1}{2}}=1\cdot\dfrac{2}{1}=2\\\\\\Answer:\boxed{S=2}$

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3 years ago

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Which is the equation of the same line as y = 3x - 8?

Zielflug [23.3K]

Answer:

letter c. 6x-y=16

Step-by-step explanation:

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2 years ago

For which pair of points can you use this number line to find the distance?

Brilliant_brown [7]

Answer:

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Step-by-step explanation:

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2 years ago

(12 - 8)3 – 24 x 2 Plz help me

yawa3891 [41]

La réponse est -36
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2 years ago

A total of 815 tickets were sold for the school play. They were either adult tickets or student tickets. There were 65 more stud

kvv77 [185]

Answer:

375 Adult Tickets.

Step-by-step explanation:

Here, we can simply set up an equation using variable x in place of the unknown student/adult tickets.

x = # of adult tickets sold

x + 65 = # of student tickets sold.

1) x + x + 65 = 815 (set both ticket amounts equal to the total)

2) 2x + 65 = 815 (added common variables together)

3) 2x = 750 (negated the +65, subtracted it from both sides)

4) x = 375 (divided both sides by 2)

5) 815 - 375 = 440 (subtracted the x from the total number of adult tickets, to recieve the amount of childrens' tickets.

Therefore,

Since there were fewer adult tickets sold (-65), 375 is the number of adult tickets, and 440 is the number of student tickets.

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2 years ago