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Feliz [49]
3 years ago
13

PLEASE HELP ME !!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Alik [6]3 years ago
5 0

Answer:

  2

Step-by-step explanation:

The series is a geometric series with a common ratio (r) of 1/2 and a first term (a1) of 1/2^0 = 1. The sum of such a series is given by ...

  S = a1/(1 -r) 1/(1 -1/2) = 2

The sum of the series is 2.

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Is y=x^2 a proportional relationship?
TiliK225 [7]

Answer:

is y=x^2 a proportional relationship?

{ \sf{yes. \: constant \: of \: proportionality = 1}}

is y=2+x a proportional relationship?

{ \sf{no. \: unless \: y \: is \: proportinal \: to \: (2 + x)}}

is y=2/x a proportional relationship?

{ \sf{yes. \: where \: proportianality \: constant \: is \: 2}}

is y=2x a proportional relationship?

{ \sf{yeah. \: constant \: is \: 2}}

6 0
3 years ago
Claire has 35 pages left to read in her book. She wants to read an equal number of pages over next 6 days and finish the book. H
densk [106]

The number of pages which Claire should read each day to finish the 35 pages in 6 days is; 5.833 pages per day.

<h3>How many pages should Claire read per day?</h3>

It follows from the task content that the number of pages which Claire should read per day in a bid to finish all 35 pages in 6 days be determined.

Since the given condition is such that; Claire reads an equal number of pages on each of the next six days.

It follows that the number of pages to be read each day is given by;

35 / 6

= 5.833 pages per day.

Ultimately, the number of pages Claire should read per day over the next 6 days is; 5.833 pages per day.

Read more on division;

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4 0
1 year ago
Tom has t dollars. He buys 5 packets of gum worth d dollars each. How much money does he have left?
enyata [817]

Answer:

5d-t

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8 0
3 years ago
. Write an equation that is perpendicular to y=2x – 1 and has y-intercept of -3
blagie [28]

The answer is very simple .

First you need to determine the slope, which is the reciprocal of the first line.

Then,

y = mx + b

m => -1/m

The perperdicular line has a new slope equal to m = -1/2

In the formula (y - y1) = m ( x - x1 ) + b , you should sustitude this value.

So the final equation will be

-3 = -1/2 (0) + b

b = - 3

y = (-1/2)x - 3

That is the solution

6 0
1 year ago
If 2k, 5k-1 and 6k+2 are the first 3 terms of an arithmetic sequence, find k and the 8th term​
Klio2033 [76]

Answer:

see explanation

Step-by-step explanation:

The common difference d of an arithmetic sequence is

d = a_{2} - a_{1} = a_{3} - a_{2}

Substitute in values and solve for k, that is

5k - 1 - 2k = 6k + 2 - (5k - 1)

3k - 1 = 6k + 2 - 5k + 1

3k - 1 = k + 3 ( subtract k from both sides )

2k - 1 = 3 ( add 1 to both sides )

2k = 4 ⇒ k = 2

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

The n th term of an arithmetic sequence is

a_{n} = a_{1} + (n - 1)d

a_{1} = 2k = 2 × 2 = 4 and

d = 5k - 1 - 2k = 3k - 1 = (3 × 2) - 1 = 5

Hence

a_{8} = 4 + (7 × 5) = 4 + 35 = 39

4 0
3 years ago
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