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Svetlanka [38]
3 years ago
11

Need help with number 40 please !

Mathematics
1 answer:
zhenek [66]3 years ago
5 0

Answer: The answers are 4,100+400+3,100+2,100=9,700 the next row is 4,900+1,200+3,900+2,900=12,900


Step-by-step explanation:


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A student saves $3 dollars on August 1, $5 on August 2, $7 on August 3, and so on. How much will she save in August 20 ?
Delvig [45]
Here is your answer

Money saved on each successive day is-

$3, &5, $7....

Clearly it forms an AP,

where

a1= 3

common difference, d= 2

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using formula

Tn= a1+(n-1)d

T20= 3+(20-1)2

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So, money saved on August 20= $41

Sum of money saved upto August 20 =
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HOPE IT IS USEFUL
5 0
3 years ago
Read 2 more answers
Tommy has 5 jars of marbles. Each jar is 2/3 filled with marbles. If Tommy decided to combine the marbles completely fill the ja
antoniya [11.8K]

Answer:

3

Step-by-step explanation:

to find this answer we will then have to do 5 x 2/3

since we our multiplying by a fraction we will then have to change the fraction to a decimal.

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this will then give us the equation of 5 x 0.6

this will give us the sum of 3 jars that had were able to be filled woth marbles.

6 0
3 years ago
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