3 years ago

(16+5i) + (6-7i)How do I solve this?

Mathematics

2 answers:

Slav-nsk [51]3 years ago

6 0

Answer:

22-2i

Explanation:

16+6=22

5i-7i=-2i

Fantom [35]3 years ago

5 0

Answer:

$\large\boxed{(16+5i)+(6-7i)=22-2i}$

Step-by-step explanation:

$(16+5i)+(6-7i)=16+5i+6+7i\qquad\text{combine like terms}\\\\=(16+6)+(5i-7i)=22-2i$

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When a number is increased by 8.2%, the result is 106. What is the original number to the nearest tenth?

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Step-by-step explanation:

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4 0

3 years ago

Margarita [4]

Answer:

The ball throw into the air with an initial velocity of 22 meters per second is 27.4 meters above the ground after 3 seconds.

Step-by-step explanation:

The quadratic function $h(t) = -4.9t^2 + 22t + 5.5$ represents the height of the ball above the ground, h(t), in meters, with respect to time, t, in seconds.

To find h(3), substitute t = 3 into the function expression:

$h(3)=-4.9\cdot 3^2+22\cdot 3+5.5\\ \\=-4.9\cdot 9+66+5.5\\ \\=-44.1+71.5\\ \\=27.4$

Meaning: the ball throw into the air with an initial velocity of 22 meters per second is 27.4 meters above the ground after 3 seconds.

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4 years ago

(16+5i) + (6-7i)How do I solve this?​

(16+5i) + (6-7i)How do I solve this?