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pshichka [43]
3 years ago
7

Samuel has 20$ in his savings account before he makes a deposit of $160. After 2 weeks, he withdraws $160. How did samuels savin

gs account balance change?
Mathematics
1 answer:
olganol [36]3 years ago
6 0
Since he deposited 160 then took out 160 it did not change
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Question 9
timurjin [86]

Answer:

<u>The</u><u> </u><u>requ</u><u>ired</u><u> </u><u>num</u><u>ber</u><u> is</u><u> </u><u>7</u><u>0</u><u>.</u>

Step-by-step explanation:

let the no. be 10y + x where x is unit digit and y is ten's digit.

given , sum of the digit is 7

x + y = 7 ...(1)

also , reversing the no. we get 10x + y ,where x is ten's digit and y is unit digit.

given reversed digit decreases the number by 63 .

so, 10y + x - ( 10x + y ) = 63

9y -9x = 63

( dividing both side by 9 )

y - x = 7 ....(2)

adding 1 and 2 [ refer attachment ]

so the required original number is

10y + x = 10×7+0 = 70

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a_sh-v [17]

Answer:

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Step-by-step explanation:

8\left(4xy\right)

8\cdot \:4xy

32xy

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3 years ago
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77julia77 [94]
Answer:
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