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Kay [80]
3 years ago
11

Multiply the following complex numbers:

Mathematics
1 answer:
kozerog [31]3 years ago
4 0

Answer:

b

Step-by-step explanation:

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1. -3 2/5 + b = 8 1/5<br><br><br>2. -7/3 n = -42<br><br>PLZ HELP ASAP I WILL MARK BRAINLIEST
diamong [38]
1. Convert the mixed numbers into improper numbers (-3 2/5 = -17/5 and 8 1/5 = 41/5). Then add 17/5 to both sides when means b=58/5

2. Multiply both sides by the reciprocal of -7/3 (which is -3/7). So n=18
7 0
3 years ago
A computer costs $725.85 and a printer costs $87.55. The state sales tax is 6%. What would be the total cost of
katen-ka-za [31]

Answer: It would be $862.20

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
PLEASE HELP NOW!!!!!!
34kurt

Answer:

Mass and volume

Step-by-step explanation:

Formula Density=Mass/Volume

6 0
3 years ago
*brainliest for best answer thank you* Solve for b.
vekshin1

Hello from MrBillDoesMath!

Answer:

The fourth choice,  b = +\- sqrt( sg + a^2)

Discussion:

s = (b^2 - a^2)/g     =>              multiply both sides by "g"

sg = b^2 - a^2        =>               add a^2 to both sides

sg + a^2 = b^2       =>                take the square root of each side

b = +\- sqrt( sg + a^2)


which is the fourth choice.


Thank you,

MrB

7 0
3 years ago
3 divide by what number equals 5
marysya [2.9K]
First write the equation
3/n = 5

Multiply both sides by n
3/n * n = 5 * n

Simplify
3 = 5 * n

Divide both sides by 5
3/5 = 5 * n/5

Simplify
3/5 = n

Divide
0.6 = n


So 3/0.6 = 5
4 0
4 years ago
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