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Mars2501 [29]
3 years ago
11

Find the sum of the first four terms of the geometric series 100 + 50 + 25 + ...

Mathematics
1 answer:
elixir [45]3 years ago
3 0

Answer:

<em><u>Decimal</u></em><em><u>:</u></em>

100 + 50 + 25 + 12.5 + 6.25 + 3.125 + 1.5625

<u><em>Fraction</em></u><u><em>:</em></u>

100 +50+25 + 12\frac{1}{2}+6\frac{1}{4}+3\frac{1}{8}+1\frac{9}{16}

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Erin discovered a relationship between numbers. The Venn diagram shows how Erin sorted a group of numbers. Using the Venn diagra
lakkis [162]

Answer:

W

Step-by-step explanation:

On the venn diagram, you can see that everything in the W section is a multiple of 7. Everything in the Z section is an even number and everything in Y(the middle section) is both an even number and a multiple of 7. Since 49 is a multiple of 7 but not an even number, it would go in the W section.

8 0
3 years ago
Robert needs to cut four shelves from a board that is 2.5 meters long. The second shelf is 18 cm longer than twice the length of
g100num [7]
STEP 1:
convert meters to centimeters
100 cm= 1 meter

= 100 cm/m * 2.5 m
= 250 cm


STEP 2:
x= length of first shelf
2x+18= length of second shelf
x-12= length of third shelf
x+4= length of fourth shelf

since the whole board has to be used, add lengths of all shelves and set it equal to the whole length of the board (250 cm).

x + (2x+18) + (x-12) + (x+4)= 250 cm
combine like terms
5x + 10= 250
subtract both sides by 10
5x= 240
divide both sides by 5
x= 48


STEP 3:
find length of second shelf
= 2x + 18
= 2(48) + 18
= 114 cm


CHECK:
x + (2x+18) + (x-12) + (x+4)= 250
48 + (2(48)+18) + (48-12) + (48+4)= 250
48 + (96+18) + 36 + 52= 250
48 + 114 + 36 + 52= 250
250= 250


ANSWER: Shelf two is 114 cm.

Hope this helps! :)
8 0
3 years ago
Which expression is equivalent to √96
worty [1.4K]

Answer:

4(2) ⋅6.

Step-by-step explanation: SORRY IF THIS IS WRONG

3 0
3 years ago
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find the value of K so that the line passing thru the points (K,-1) and (-2,-8) is parrallel to the equation 3x+y= -7​
fgiga [73]

Answer:

K=-13/3

Step-by-step explanation:

8 0
3 years ago
686.924 rounded to the nearest ten
bixtya [17]
690 because 86 is rounded up to 90
8 0
3 years ago
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