All categories

3 years ago

Find the error and fix it

1 answer:

4 0

$(4 + 6i)^2 = 4^2 + 24i + 24i + (6i)^2\\= 4^2 + 48i + 36i^2\\= 16 + 48i + 36(-1)\\= 16 + 48i - 36\\= 48i - 20 = 4(12i - 5)$

You might be interested in

A store is having a sale in which all items are 20% off. If p is the original price of an item, then the equation p - 0.2p = 0.8

katovenus [111]

Answer:

Answer Expert Verified

We are given that there is a 20% sale in the store. Moreover, the sale price of an item is p - 0.2p, where p is the price of the item. So, we get that, p - 0.2p is equivalent to 0.8p

6 0

3 years ago

Which ordered pair is a solution of the equation

Sever21 [200]

Answer:

Step-by-step explanation:

2x+3y where it is 2,2 become 4 plus 6 which is 10

3 0

3 years ago

Read 2 more answers

Thomas is remodeling his living room. He is deciding on the options shown: Floor: Carpet, Hardwood, Tile Paint: Khaki, Green, Re

natulia [17]

Answer:

$48$

Step-by-step explanation:

GIVEN: Thomas is remodeling his living room. He is deciding on the options shown: Floor: Carpet, Hardwood, Tile Paint: Khaki, Green, Red, Blue Seating: Leather Sofa, Cloth Sofa Entertainment: LCD TV, Plasma TV.

TO FIND: If Thomas is choosing $1$ from each of the categories shown, how many ways can Thomas remodel his living room.

SOLUTION:

Total options for floor $=3$

number of ways of selecting floor $=^3C_1$

Total options for Paint $=4$

number of ways of selecting paint $^4C_1$

Total options for Seating $=2$

number of ways of selecting Seating $=^2C_1$

Total options for Entertainment $=2$

number of ways of selecting Entertainment $=^2C_1$

Total ways of selecting $1$ from each category $=^3C_1\times ^4C_1\times ^2C_1 \times ^2C_1$

$=48$

Hence there are $48$ of remodeling living room.

3 0

3 years ago

26. A theater has 20 seats in first row, 22 in second row, 24 in third row and

spayn [35]

Answer:

38 seats

Step-by-step explanation:

if the seat numbers are going up by 2 more seats in each rows like the pattern was showing us with the numbers 20,22,24 then if you keep counting to 30 for the rows then you would get 38 seat in row 30

sorry if this doesnt make any sense!!

6 0

3 years ago

What is the value of x in the equation −6 + x = −4? (1 point) a −10 b −2 c 2 d 10

Montano1993 [528]

Answer:

x = 2

Step-by-step explanation:

−6 + x = −4

+6 +6

x = 2

hope dis helps ^-^

6 0

3 years ago

Read 2 more answers