Miejscowości A i B położone na przeciwległych brzegach jeziora są połączone dwiema drogami - drogą polną prowadzącą przez punkt
1 answer:
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Answer:
Amount of money Judy has in her account is .
Amount of money Tommy has in his account is
Step-by-step explanation:
To find : Amount of money in Judy account and amount of money in Tommy account:
Solution:
Given:
Judy has $7500 more than a number in her account.
Let the number be 'n'.
So we can say that;
Amount of money in Judy account is equal to 7500 plus number.
framing in equation form we get;
Amount of money in Judy account =
Hence Amount of money Judy has in her account is .
Now Given:
Tommy has 6 more than 3 times the amount of money in his bank account than Judy.
So we can say that;
Amount of money in Tommy account is equal to 3 multiplied by Amount of money in Judy account plus 6.
framing in equation form we get;
Amount of money in Tommy account =
Hence Amount of money Tommy has in his account is .
Answer:
Option c
Step-by-step explanation:
First multiply matrix A by -7.
Then multiply the matrix B by -6.
When multiplying a matrix by a number x you must multiply each element of the matrix by x.
<em><u>Then we perform operation -7A </u></em>
<u><em>Now we perform operation -6B </em></u>
Now we add the resulting matrices