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Neko [114]
2 years ago
14

How do I do this help pt2

Mathematics
2 answers:
matrenka [14]2 years ago
8 0
What is the question is the o
Daniel [21]2 years ago
8 0
-2x
X-90 hopefully I helped :)
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Add then divide.<br> Evaluate<br> (7.3 X 10) + (2.4 X 107)<br> (4 X 104)
Deffense [45]

Answer:

6.0 x 10^2

Step-by-step explanation:

(7.3 X 10) + (2.4 X 10^7)

(4 X 10^4)

= 73 + 24000000

40000

= 24000073

40000

= 6.0 x 10^2

4 0
2 years ago
Find all the roots of the equation x4 - 2x3 + 14x2 - 18x + 45 = 0 given that 1 + 2i is one of its roots.
patriot [66]
Asked and answered elsewhere.
brainly.com/question/10192511


Knowing that 1+2i is a root, you also know that 1-2i is a root, so one quadratic factor is
   (x -1)² -(2i)² = x^2 -2x +5

Long division of the given polynomial by this quadratic gives a quotient of 
  x² +9
which has roots ±3i.

Then all the roots are {-3i, 3i, 1-2i, 1+2i}.
7 0
3 years ago
Which fractions equal to0.20%
alukav5142 [94]

Answer:

2/10

Step-by-step explanation:

0.20 = 20/100

20/100 = 2/10

6 0
3 years ago
Read 2 more answers
(2a 2 + a + 3) (a - 1) Please help
ArbitrLikvidat [17]
Hey there!

You can use distributive property, as I mentioned in your previous questions.

multiply...
2a² × a = 2a³
2a² × -1 = -2a²
a × a = a²
a × -1 = -a
3 × a = 3a
3 × -1 = -3

add all those terms..
2a³ - 2a² + a² - a + 3a - 3
add the like terms

2a³ - a² + 2a - 3

Hope this helped :)
4 0
2 years ago
Read 2 more answers
#1. Which of the following is a rational number?
Sladkaya [172]
#1: b. 100 square root is 10. 10 x 10 = 100. 100 = rational number, Others include a series of numbers that cannot be written down.
#2 -7.8 With the line on top. THe line on the 8 means that it continues for ever.
Only other one is d.
4 0
3 years ago
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