All categories

2 years ago

What is the product (1 – 6i) (-5 – 8i) ? PLEASE HELP QUICK!!!!!f

Mathematics

1 answer:

Svetlanka [38]2 years ago

3 0

Answer:

$-53+22i$

Step-by-step explanation:

You can simply use the FOIL method, but keep in mind that $i^2=-1$ :

$(1-6i)(-5-8i)\\(1)(-5)+(1)(-8i)+(-6i)(-5)+(-6i)(-8i)\\-5-8i+30i+48i^2\\-5+22i+48(-1)\\-5+22i-48\\-53+22i$

You might be interested in

Evaluate 1+ (-2/3)- (-m) where m=9/12

Agata [3.3K]

Answer:

13/12

Step-by-step explanation:

1-2/3+9/12

least common denominator is 12

12/12 - 8/12+9/12

13/12

6 0

3 years ago

Please help with my next question in math.

Vesnalui [34]

The answer is D. 2n + 1

8 0

3 years ago

Nylan robotics has a budget of 99.00 to buy sprockets axles and gears. If they spend 2/3 of the budget on sprockets how much mon

grin007 [14]

99*1/3=33

so 2/3=66

so 33 dollars remain

8 0

3 years ago

Read 2 more answers

Manas receives a commission of Rs.5,000 on sales of Rs.65,000.How much commission will he get on sales of Rs.20,000.

tangare [24]

$\\
\text{Let Manas receives a commission of Rs. 5000 on sales of Rs. 65000}\\
\\
\text{We need to find how much commision he will get on the sale of Rs.20000}\\
\\
\text{To find the commision, we use the unitary method.}\\
\\
\text{On sales of Rs. 65000, Manas receives a commision of}=5000\\
\\
\text{so on sales of Rs. 1, Manas will receiv a commision of}=\frac{5000}{65000}\\
\\
\text{Hence on sales of Rs. 20000, Manas will receiv a commision of}\\
\\=\frac{5000}{65000}\times 20000\\
\\
=1538.46$

Hence, on the sales of Rs. 20000, Manas will receive a commission of: Rs. 1538.46

6 0

3 years ago

What’s the answer plz hurry!

Svetllana [295]

Answer:

its c

ududhsihsisbishsusbusvsusbusbduusususuuusueuieieiejejdhebteybybeybsbysyneybdyndybbydbyeynydnnydndyjdyj8ggnxr

Step-by-step explanation:

fhjfjjgcmhmhcxmgkhfkhffhkhfkgfoyfkyftfutdutxjtxoyf

7 0

3 years ago