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STALIN [3.7K]
3 years ago
14

Can I plz get help on all of this plz I need it due tomorrow

Mathematics
2 answers:
Alisiya [41]3 years ago
4 0
1.4
2.-4
3.-12
4.8
5.-8
6.-5
7.-76
8.-67
9.-28
10.-32
11.22
12.13
14.0
15.-9
Readme [11.4K]3 years ago
3 0

1) 4

2) -4

3) -12

4) 8

5) -8

6) -5

7) 76

8) -67

9) -29

10) -32

11) 22

12) 14

13) -38

14) 0

15) -9

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Select each expression that is equivalent to 3n+6 select all that apply. Explan.
arsen [322]
A, C. A is obviously correct because it’s the e same thing and C you combine like terms (2n+n=3n,2+4=6,=3n+6) it’s not B because it’s not 18, it’s not D because you’d get 3n+18 and it’s not E because you’d get 3n+12, meaning the only correct answers are A and C
5 0
3 years ago
Help me pls pls pls pls pls
Oxana [17]

Answer:

B.x>4is a required interval.

5 0
3 years ago
Please help me out you guys
s344n2d4d5 [400]

Answer:

okok I willl hel0 you out

5 0
3 years ago
Read 2 more answers
11 POINTS PLZ HELP EMERGENCY
Bad White [126]

Part A

The given expression is:

(-5(1+2i)+3i(3-4i)

We expand to get:

-5-10i+9i-12i^2

Note that i^2=-1

12-5-10i+9i

-5-10i+9i+12

7-i

Part Bi)

The given expression is;

\sqrt{-50}

We simplify to get:

\sqrt{25\times 2\times -1}

\sqrt{25\times} \sqr{2}\times \sqrt{-1}

Note that:

\sqrt{-1}=i

5\sqr{2}i

This is now of the form a+bi, where a=0,b=5\sqr{2}.

This explains why it is a complex number;

Part bii)

The given expression is :

\frac{\sqrt{-50} }{\sqrt{5}}

We simplify to get

\sqrt{\frac{-50 }{5}}

\sqrt{-25}

\sqrt{-25}=\sqrt{25}\times \sqrt{-1}

\sqrt{-25}=5\times i

\sqrt{-25}=5i

Part C

We want to simplify:

i^{22}

We rewrite in terms of i^2

i^{22}=(i^2)^{11}

i^{22}=(-1)^{11}

i^{22}=-11

5 0
4 years ago
Help me please!Please look at the pic then tell me if im wrong on something.Thank you! :)
Murrr4er [49]

Answer: for every 3 triangles there are 5 squares. not 4. so the ratio is 3:5.

could you give me brainliest pls?

6 0
3 years ago
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