Alguien me puede ayudar con esto por favor!!!!

Mathematics

1 answer:

Artyom0805 [142]2 years ago

8 0

Answer:

8 + 15i

Step-by-step explanation:

(-2 + 3i) + 2(5 + 6i) =

= -2 + 3i + 10 + 12i

= 8 + 15i

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13. Diberi v = u + at, cari nilai t apabila v = v = 42 u=-8 dana - 5. A.10 B.8 C.6 D.4

LiRa [457]

Answer:

Lol mcm soalan kamu salah. Pilih A je

Step-by-step explanation:

v = 42
u = -8
a = -5

Masukkan nilai tersebut dalam persamaan v = u + at,

42 = -8 + (-5)t

50 = -5t

t = -10

3 0

2 years ago

How do you solve these?

Vinil7 [7]

For the first one, the answer is -1 1/5

for the second one, the answer is 2.75

for the third one and fourth one,
To divide fractions take the reciprocal (invert the fraction) of the divisor and multiply the dividend. This is the quickest technique for dividing fractions. The top and bottom are being multiplied by the same number and, since that number is the reciprocal of the bottom part, the bottom becomes one

6 0

2 years ago

Please look the image attached

Usimov [2.4K]

Answer:

I think it is c

Step-by-step explanation:

I might be wrong wait for a second answer if it is the same then I think I am right

5 0

2 years ago

2. In a given population of two-earner male-female couples, male earnings have a mean of $40,000 per year and a standard deviati

Kobotan [32]

Answer: $85,000

Step-by-step explanation:

Given : In a given population of two-earner male-female couples, male earnings have a mean of $40,000 per year and a standard deviation of $12,000.

$\mu_M=40,000\ \ ;\sigma_M=12,000$