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Juliette [100K]
1 year ago
14

Introduction to complex numbers 5VV

Mathematics
1 answer:
sesenic [268]1 year ago
6 0

Step-by-step explanation:

sqrt(-4) = sqrt(4×-1) = sqrt(4)×sqrt(-1) = 2i

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last month maria hiked a 5 mile trail several times and a 10 mile trail several times let x represent the number of times she hi
Vlada [557]

Answer:

5x + 10y = 90

Step-by-step explanation:

X is the number of times she takes the 5 mile, so the total distance would be 5x. Y is the number of times she takes the 10 mile, so the total distance would be 10y. And together they equal 90 miles, so 5x + 10y =90. Hope this helps.

7 0
3 years ago
Simplify by combining like terms. <br> 12+5t−4+15t+1
quester [9]

Answer:

9+20t

Step-by-step explanation:

Look at the terms and see which has t and which is a number when you see like terms, add them or subtract them together to get like terms.

5 0
3 years ago
Si un número divisible entre 3 también es divisible entre 6
Ksivusya [100]

Answer:

es verdad pero 3 nomas puede ser dividido por 3 o 1

Step-by-step explanation:

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3 years ago
Need help on number 1, 5 and 7
zimovet [89]

Answer:

1) y = (x + 8)² + 7; 5) y = (x - 6)² + 10; 7) y = (x - 3)² - 4

Step-by-step explanation:

Complete the square in order to figure these out. To complete the square, use the formula <em>[½B]</em><em>²</em><em>.</em><em> </em>Each time you do this, you get a perfect trinomial in the form of a product of two monomials [<em>h</em>], then you have to figure out how much more to deduct from or add on to your <em>C</em><em> </em>they gave you in each exercise [<em>k</em>].

If you are still in need of assistance, do not hesitate to let me know and subscribe to my channel [username: MATHEMATICS WIZARD].

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4 0
3 years ago
Please find the surface area.
nevsk [136]

Answer:

multiply the givens. use a calculator

7 0
3 years ago
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