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valentina_108 [34]
3 years ago
9

In the equation 9 more than 3 times a number is -6, what does a number equal

Mathematics
1 answer:
atroni [7]3 years ago
8 0
So 9 more than 3 times a number, would be: 
9+(3x)=-6
then you would solve
subtract 9 from 9 and 9 from -6
you get 3x=-15
divide by 3 on both sides
x=-5

your welcome!!!! :)
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In engineering and product design, it is important to consider the weights of people so that airplanes or elevators aren't overl
Nataly [62]

Answer:

0.002

Step-by-step explanation:

We need to estimate the standard error of the mean, so we can use it as a standard deviation of the sample of 50 males.

Standard error of the mean = standard deviation/√n

Standard error of the mean = 32/√50 = 4.52

Now we can use this Standard error of the mean to estimate z as follows:

Z = (x – mean)/standard deviation

Z = (190-177)/4.52

Z = 2.87

Using  a Z table we can find probability that mean is under 190

P (z<190)= 0.998

For the probability that the mean exceed 190 lbs we substract from 1

P(z>190) = 1 - 0.998 = 0.002

5 0
3 years ago
If £2000 is placed into a bank account that pays 3% compound interest per year, how much will be in the account after 2years?
AVprozaik [17]
3% = 3/100 = 0,03

When it's compount interest it's 1,03 because you gain 3% more from what you already have.

All you need to do
1,03•2000=2060$ for the first year

And then for the second year, you take the actual amount after one year of 3%

1,03•2060=2121,8

After two years, there will be 2121,8$
5 0
3 years ago
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Sum of exactly two terms that is equivalent to 3(6x + 9y).
Ronch [10]

Answer:

18x+27y

Step-by-step explanation:

6 0
3 years ago
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Can someonehelp me with 10 or eleven
slavikrds [6]
The answer is 50 multiplied by 6
4 0
3 years ago
Hope someone can help me with this
postnew [5]

The perimeter:

40+35+16+16+125.7= 232.7 m

btw lowkey frustrating that they alternate between cm and m


8 0
4 years ago
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