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KATRIN_1 [288]
3 years ago
14

Will Give You Brainliest :)

Mathematics
2 answers:
Misha Larkins [42]3 years ago
7 0

178 is the answer

mark brainliest

frosja888 [35]3 years ago
5 0

Answer:

B

Step-by-step explanation:


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Solve this problem. What is x?<br><br> x ÷ 7 = 6<br><br> x =
Marat540 [252]
So another way to look at is 7x6=__ and so when you do this you get 42. Hope this is helpful.
6 0
3 years ago
How do I simplify the following to "a+bi" form: (1+2i)^3
damaskus [11]

Answer:

Expand it.

(1+2i)^3 is equal to (1+2i)(1+2i)(1+2i).

Multiply everything out (being sure to multiply <em>every</em> term. (1+2i) * (1+2i) = 1+2i+2i+4i^2.

i is the square root of negative one, so i^2 is just -1. 1+2i+2i-4 is what you get from the first two, so now simplify that:

1-4 + 2i+2i = (-3+4i) and now multiply that by (1+2i):

(-3+4i) * (1+2i) = -3 - 6i +4i +8i^2.

Simplify again, and the answer is: -11-2i

Step-by-step explanation:

I hope this helps - really my only tip is don't spend time thinking about what i is, that just hurts your brain. Just remember that i^2 is equal to negative one, and treat it like regular multiplication and you will be fine.

7 0
1 year ago
a pie chart is divided into four sectors in fig. 12.42. Each sector represents a percentage of the whole. The two larger sectors
Novosadov [1.4K]

Answer:

Angle formed by the sector measuring x% will be 126°.

Step-by-step explanation:

Since, sum of all sectors formed in a circle is 100%.

By adding the measures of all the sectors,

x + x + 21 + 9 = 100

2x + 30 = 100

2x = 70

x = 35%

Now we know sum of all the central angles formed at the center of a circle = 360°

Therefore, angle formed by x% = 360° × 35%

                                                    = \frac{360\times 35}{100}

                                                    = 126°

8 0
3 years ago
Divide these polynomials.
Kryger [21]
(6x^{2} + 14 x^{2} + 6x - 2 ) ÷ (2x + 2 )
= 3x^{2} + 4x - 1

3 0
3 years ago
У=х+ 1<br> 2x+3y= 5<br> HELP ME
Diano4ka-milaya [45]

Answer:

x=2/5

Step-by-step explanation:

2x+3(x+1)=5

2X+3X+3=5

5x+3=5

5x=2

x=2/5

4 0
2 years ago
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