3 years ago

HELPPP ASAAAAAPPPP TST WILL GIVE FULL CREDIT TO BRAINLIST

Mathematics

2 answers:

Irina18 [472]3 years ago

8 0

18. (5+3i) + (2-2i)

8 + 0

Answer = 8

19. (8+9i) + (5-9i) - (8-7)

17 + -4 - 1

- - = +

:. -4 + 1 = -3

17 - - 3

Answer = 20

20. (6+8i)(3-2i)

14 × 1

Answer = 14

Keith_Richards [23]3 years ago

6 0

USE M-A-T-H-WAY U CAN DO IT

You might be interested in

Solve for x. Write the smaller solution first, and the larger solution second.<br>x^2 - 4x + 3 = 0

love history [14]

Answer:

X=1 and X=3

Step-by-step explanation:

Factor: (x-3)(x-1)=0

Solve for X: X=1 and X=3

4 0

4 years ago

The perimeter of a playing field for a certain sport is 178 ft. The field is a rectangle, and the length is 43 ft longer than th

timofeeve [1]

Answer:

23 and 66 are the dimensions

Step-by-step explanation:

178/2=89

89+43=132

178-132=46

132/2=66

46/2=23

(I think this is the answer I'm so sorry if I am wrong)

5 0

3 years ago

Given P(x)=x^2+x+1 find answer P(7)

Tasya [4]

P(7) = 57

Porque :

P(x) = x^2 + x + 1

P(7) = 7^2 + 7 + 1

P(7) = 49 + 7 + 1

P(7) = 57 ✔️

5 0

3 years ago

In a large fish tank,1/4 of the fish have black stripes on them.If 16 of the fish have black stripes, what is the total number o

Lyrx [107]

Answer:

64 fish

Step-by-step explanation:

If there is 1/4 fish with black stripes and its a total of 16 then you have to multiple 16 times 4 because theres 4 groups. so 16 times 4 is 64.

5 0

3 years ago

The angle of depression from a helicopter to a landing pad is 65°. If the horizontal distance from the helicopter to the landing

goblinko [34]

H/1000 = tan(65°)
h = 1000*tan(65°) ≈ 2145 . . . . ft

The helicopter is about 2145 ft high.

3 0

4 years ago

Read 2 more answers