2 years ago

10z^2 -2z-2 10z 2 −2z−2

Mathematics

1 answer:

KatRina [158]2 years ago

5 0

Two solutions were found :

z =(2-√-116)/-20=1/-10+i/10√ 29 = -0.1000-0.5385i

z =(2+√-116)/-20=1/-10-i/10√ 29 = -0.1000+0.5385i

Step-by-step explanation:

You might be interested in

3(4x+5)=33 What’s the value of x

atroni [7]

Answer:

the answer would be 20

8 0

3 years ago

Read 2 more answers

Carlos and Eddie went to a New

Masteriza [31]

Answer: they left home at 8:38

Work:
8:45 + 20 mins = 9:05 (time they arrived)
9:05 - 27 mins = 8:38 (time they left)

4 0

3 years ago

There are 4 fewer cats than dogs.<br>There are 2 cats. How many dogs<br>are there?

allsm [11]

Answer:

there are 6 dogs

Step-by-step explanation:

x = dogs

x= 2 + 4

x = 6

8 0

3 years ago

Read 2 more answers

A tree is three times the height of the school.

natima [27]

Answer:

Can you be a litte more specific

Step-by-step explanation:

6 0

3 years ago

Solve by substitution <br> X^2= 2y + 10<br> 3x-y = 9

Viefleur [7K]

Answer:

$x=-4\\ x=-2\\ y=-21\\ y=-15$

Step-by-step explanation:

$x^{2} =2y+10$

$y=-9+3x$

$x^{2} =2(-9+3x)+10$

$x^{2} =-18+6x+10$

$x^{2} =6x-8$

$x^{2} -6x+8$

$x=-4, -2$

$y=-9+3(-4)$

$y=-9-12$

$y=-21$

$y=-9+3(-2)$

$y=-9-6$

$y=-15$

8 0

3 years ago

Read 2 more answers