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julia-pushkina [17]
3 years ago
14

Evaluate the factorial expression. 688!/687!

Mathematics
1 answer:
NNADVOKAT [17]3 years ago
7 0

688!/687!

(688*687!)/687!

688

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Michael mowed lawns during the summer to earn extra money. He charged each customer $30 to cut the grass plus $9 for each hour o
kramer
Answer: 7 hours


Explanation: We can use the equation 93=9h+30 to represent the problem.

When we solve for h with (93-30)/9, we get 7 hours.
6 0
2 years ago
Write two expressions where the solution is 28
konstantin123 [22]
10+18=28
17+11=28

OR

2x=28 where x=14
4x where x=7
8 0
3 years ago
Decrypt the word DKA if it was encrypted using an alphabetic Caesar shift cipher that starts with shift 5 (mapping A to F), and
pochemuha

Answer:

YET

Step-by-step explanation:

TO DECRYPT DKA USING THE CAESAR SHIFT CIPHER STARTING WITH 5 SHIFTS.

TO DO THIS DECRYPTION, WE'RE GOING TO LOOP THE ALPHABETS.

D = LOOPING THIS LETTER 5 TIMES, WE HAVE C - B - A - Z - Y.

SO, D IS DECRYPTED AS Y

GOING FURTHER, THE ENCRYPTION SHIFTS BY AN ADDITIONAL SPACE. THIS MEANS, IF THE FIRST "Y" WAS ENCRYPTED IN 5 SPACES TO GET D, AND AN ADDITIONAL SPACE WAS ADDED TO THE NEXT ALPHABET, IT BECOMES 6.

K IS THEN DECRYPTED AS

K = J - I - H - G - F - E

K IS DECRPYTED AS E

GOING FURTHER, THE NEXT WAS ENCRYPTED WITH AN ADDITIONAL SPACE EVEN MORE, SO, A IS DECRPYTED AS

A = Z - Y - X - W - V - U - T.

THUS, DKA IS DECRYPTED AS YET

5 0
3 years ago
Calculate the annual interest for a $10,000 Treasury bond with a current yield of 3% that is quoted at 106 points.
Sergio [31]

Answer:

$318

Step-by-step explanation:

The treasury bond is $10,000

The current yield is 3%

= 3/100

=0.03

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Price of the bond= $10,000×106/100

= $10,000×1.06

= $10,600

Therefore the annual interest can be calculated as follows

Annual interest= $10,600×0.03

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Hence the annual interest is $318

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3 years ago
As a diver descends into sea water, the pressure increases by 1 atmosphere every 33 feet. The inequality below can be used to de
max2010maxim [7]
After 4 atmospheres the diver descends -132 feet because -33*4=-132
8 0
3 years ago
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