3 years ago

Simplify (5i-2i) (2+6i)-(4-i) show all work

Mathematics

1 answer:

suter [353]3 years ago

5 0

↝ (3i)(2+6i)-(4-i)

↝ 6i+18i²-4+i

↝ 6i-18-4+i [ i² = -1]

Therefore, it's 7i-22

You might be interested in

Please answer this correctly

Lisa [10]

Answer:Jeff's restaurant

Step-by-step explanation:

I'm pretty sure its right

6 0

3 years ago

The sum of three numbers is 97. The third number is 2 times the second. The second number is 9 less than the first. What are the

inn [45]

Answer:

The numbers are 26.5, 53 and 17.5.

Step-by-step explanation:

97=x+(x-9)+2x

97+9=4x

106/4=4x/4

x= 26.5

x-9 = 17.5

2x= 53

8 0

3 years ago

4444444444444444444444444444444444

Debora [2.8K]

The second one is the correct equation. The constant to the right should be the diameter squared, while the numbers inside the parentheses should be the opposite.

5 0

3 years ago

Read 2 more answers

Here are 2 bowls. One of them has 25 gems and the other has 15 gems. Some of them are red.All the gems from the two bowls are no

spin [16.1K]

Answer:

the answer is $\frac{25}{15}\\$ Hope this helps :}

Step-by-step explanation:

Here are 2 bowls. One of them has 25 gems and the other has 15 gems. Some of them are red. All the gems from the two bowls are now put into a third bowl. What fraction of the gems in the third bowl will be red?

7 0

3 years ago

Please help!!! I've been trying to figure this out all day!

MrRa [10]

Answer:

.55(220-a) + .90(220-a)

Step-by-step explanation:

3 0

3 years ago

Simplify (5i-2i) (2+6i)-(4-i) show all work​

Simplify (5i-2i) (2+6i)-(4-i) show all work