3 years ago

Which expression shows (3-4i)+(-7-8i) in simplest form?

Mathematics

1 answer:

expeople1 [14]3 years ago

3 0

Answer:

B) -4 - 12i

Step-by-step explanation:

(3-4i)+(-7-8i) = 3 -4i - 7 - 8i

= 3 - 7 - 4i -8i

= -4 - 12i

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Please help fast! give me the equation

uranmaximum [27]

$\begin{bmatrix}x=\frac{\pi }{2}+2\pi n\\ x=\frac{3\pi }{2}+2\pi n\\ x=\frac{3\pi }{4}+\pi n\\ x=\frac{7\pi }{4}+\pi n\end{bmatrix}$

$\begin{bmatrix}\frac{3\pi }{2}+2\pi n=\frac{\pi }{2}+2\pi n\\ \frac{3\pi }{2}+2\pi n=\frac{3\pi }{4}+\pi n\\ \frac{3\pi }{2}+2\pi n=\frac{7\pi }{4}+\pi n\end{bmatrix}$

$\pi =0$

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1 year ago

Convert 120 Ibs to kilograms

posledela

Answer:

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Step-by-step explanation:

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Answer:

Josh has played in 3 times as many as Lisa has.

Step-by-step explanation:

She mixed up multiplication and addition.

6+12=18

6*3=18

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2 years ago

V^2 = u^2+ 2as<br>u = 12<br>a = -3 s = 18<br>Work out a value of v.

Shkiper50 [21]

Answer:

use math-way

Step-by-step explanation:

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2 years ago

What is the volume of a rectangular prism 8 inches long, 3 inches wide,and 5 inches high?

Nitella [24]

Answer:

V=whl=3·5·8=120

Step-by-step explanation:

Just use l x w x h and there you go.

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1 year ago