3 years ago

Please help just mark them down!

Mathematics

1 answer:

Kruka [31]3 years ago

6 0

Answer:

I’m not sure really but the first one is 103 or 110

Step-by-step explanation:

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(-3+7i)(1-2i) can you help me with the answer to this

lozanna [386]

Answer:

11 + 13i

Step-by-step explanation:

A must know is that

$\sqrt{i} = - 1$

Complex numbers

1st: foil the equations

$- 3(1 - 2i) + 7i(1 - 2i)$

$- 3 + 6i + 7i- 14 {i}^{2}$

2nd Combine like terms and substitute

$i ^{2} for \: - 1$

$- 3 + 14 + 13i$

$11 + 13i$

4 0

2 years ago

PLEASE HELP ASAP!!!

xeze [42]

Answer:

JM = 10

Step-by-step explanation:

Because MN║JL,

$\frac{MK}{JM} = \frac{KN}{NL}$

$\frac{5}{2x + 4} = \frac{6}{12}$ = $\frac{1}{2}$

2(5) = 1(2x + 4)

10 = 2x + 4

2x = 6

x = 3

JM = 2x + 4 = 2(3) + 4 = 6 + 4 = 10

6 0

3 years ago

Which equation describes the line graphed above? JUST NEED ANSWER NO NEED FOR EXPLANATION

Zolol [24]

Answer:

Step-by-step explanation:

We can use a graphing calc to determine which line is the correct one.

4 0

3 years ago

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alexandr402 [8]

It should be 54 because height times width

6 0

3 years ago

I will give 50 points

kupik [55]

Answer:

High

Step-by-step explanation:

the only numbers that don't overlap is 53 and 59 all the others would overlap.

5 0

2 years ago

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