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VARVARA [1.3K]
3 years ago
5

Find the solution set. x? + 20x + 100 = 0 Enter the correct answer.

Mathematics
1 answer:
Leokris [45]3 years ago
7 0
I believe that x=-5
if you are trying to solve for x
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An ipad is worth R1200, excluding 15% VAT. What is the selling price of the ipad including VAT
alukav5142 [94]

Answer:

R1,380

Step-by-step explanation:

The price of the iPad without VAT is R1200

We calculate 15% to get;

=  \frac{15}{100}  \times 1200

= 180

Now the selling price of the iPad including VAT

1200 + 180

= 1380

Therefore, the selling price of the ipad including VAT is R1380

7 0
3 years ago
According to government data, the probability that a woman between the ages of 25 and 29 was never married is 40%. in a random s
ddd [48]
The probability of finding 2 never married
10c2*0.4^2*0.6^8=
the probability of finding 1 never married
10C1*0.4*0.6^9=
the probability of finding 0 never married
10C0*0.6^10=

the answer is all the above answers added together.
think you can do the rest of the calculation by yourself. :)

btw nCr=n!/(n-r)!r!
good luck
3 0
3 years ago
What is the polar form of 7 StartRoot 3 EndRoot minus 7 i?
ololo11 [35]

Answer:

14(cos(330 degrees) + i sin(330 degrees))

option D

Step-by-step explanation:

edge 2020

3 0
2 years ago
Pleaseee helppp answer correctly !!!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!!!!!!!
inna [77]

Answer:

2t+2u+2v+4w

Step-by-step explanation:

Add up all of the terms

8 0
3 years ago
2x – y = 6 5x + 10y = –10
Studentka2010 [4]
2x-y=6;5x+10y=-10. -y=-2x+6. -y/-1=-2x+6/-1. y=2x-6. 5x+10y=-10. 5x+10(2x-6)=-10. 25x-60=-10. 25x=50. 25x/25=50/25. y=2x-6. y=(2)(2)-6. y=-2. Therefore, x=2 and y=-2
8 0
3 years ago
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