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Sloan [31]
2 years ago
8

If a +5 = b + 3 and a + 5 = 12, then b +3=

Mathematics
1 answer:
lilavasa [31]2 years ago
7 0
I guess it’s
b+3=b+5
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Number 9 please. I need help
Sloan [31]

(1/12)X = 6800

6800/ (1/12) = X

X = 81600 (hours)

6800 (6.8 * 10^3) divided by 1/12 (12^-1) equals 81600. It will take 81600 hours for the pool to completely empty at a rate of 0.833333333 or 12^-1 gallons per second.

8 0
3 years ago
If you invest $4,500 in an account paying 2% compounded continuously, how much money will be in the account at the end of 4 year
saveliy_v [14]
Total = Principal * e^(rate*years)
Total = 4,500 * 2.718281828459^(.02*4)
Total = 4,500 * 2.718281828459^(.08)
Total = 4,500 * <span> <span> </span></span> <span> <span> <span> 1.0832870677 </span> </span> </span>
Total = <span> <span> <span> 4,874.79 </span> </span> </span>
calculator for checking the answer:
http://www.1728.org/compint.htm



7 0
2 years ago
Which of the following expressions is the conjugate of a complex number with −5 as the real part and 4i as the imaginary part? 5
ladessa [460]
The mathematical expression of the given complex number above is -5 + 4i. The conjugate of this complex number is that which has an opposite operation. The given is an addition operation. That is -5 - 4i. Therefore, the answer is the third among the choices. 
4 0
3 years ago
Factor 64b-16c to identify the equivalent expressions.
cluponka [151]

Answer:

a

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Alice had 3 1/4 pounds of flour at the beginning of the week. At the end of the week, she had 2 3/4 pounds. How much has she use
Evgen [1.6K]

Answer:

1 2/4

Step-by-step explanation:

you have to subtract they

4 0
2 years ago
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