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Ipatiy [6.2K]
3 years ago
9

Suppose you had d dollars in your bank account. You spent $21 but have at least $53 left. How much money did you have initially?

Write and solve and inequality that represents this situation.
Mathematics
2 answers:
likoan [24]3 years ago
6 0
D-21≥ 53 hope this helps
Ostrovityanka [42]3 years ago
3 0
Well you add what you spent and your balance. which is a total of $74 so..

d - 21 = 53

53 + 21 = 74 dollars


same thing if I had c cookies and I ate 12 cookies and have 9 left. 

c - 12 = 9

12 + 9 =  21 cookies 

hope this helps!
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Answer:

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Step-by-step explanation:

Prime numbers less than 30 are given below

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We know that

Sum of any three prime number except 2 will be odd.

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Probability:P(E)=\frac{favorable\;cases}{total\;number\;of\;cases}

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By using formula

Probability of getting sum of three prime numbers selected will be odd=P(E)=\frac{\frac{9!}{3!6!}}{\frac{10!}{3!7!}}=\frac{9!}{3!6!}\times \frac{3!\times 7\times 6!}{10\times 9!}

Probability of getting sum of three prime numbers selected will be odd=P(E)=0.7

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By using formula P(E')=1-P(E)

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Step-by-step explanation:


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