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2 years ago

9/10 of alien races think invading Earth is a bad idea.

Mathematics

2 answers:

yulyashka [42]2 years ago

6 0

90 % because it is 9/10

Vladimir [108]2 years ago

4 0

90% of Alien races think invading earth is a bad idea .

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4x^2+4x+1=9 solutions

Artyom0805 [142]

Answer:

4(x-2)(x+1)=0

Step-by-step explanation:

5 0

3 years ago

Heart failure is due to either natural occurrences (86%) or outside factors (14%). Outside factors are related to induced substa

gayaneshka [121]

Given are the following data:

Heart failure causes:

84% natural occurence
16% outside factors
18 individuals (sample size)

1. What is the probability that 3 individuals have conditions caused by outside factors?

Probability = 3/18 * 0.16 = 0.0267 or 2.67%

7 0

2 years ago

After a 15% increase, a town has 115 people. What was the population before the increase?

Arte-miy333 [17]

Answer:

100 people

Step-by-step explanation:

Population Of People=115Percentagencrease=15%

The New Population corresponds to 115%

(That is 100+15)

We want to find the population that corresponds to 100% that is the original population.

Therefore Original Population;

 $\frac{100}{115}\times {115}{}$ 

 $100 \: people$ 

7 0

2 years ago

Given that f(x)=x2-1 and g(x)=2x+8 find (g-f)(10)

irga5000 [103]

Answer:

Step-by-step explanation:

f(x) = x² - 1

g(x) = 2x + 8

To find (g-f)(10) first find ( g - f)(x)

To find ( g - f)(x) subtract f(x) from g(x)

That's

( g - f)(x) = 2x + 8 - ( x² - 1)

Remove the bracket

( g - f)(x) = 2x + 8 - x² + 1

Simplify

( g - f)(x) = - x² + 2x + 9

To find (g-f)(10) substitute the value in the bracket that's 10 into ( g - f)(x)

That is

(g-f)(10) = -(10)² + 2(10) + 9

= - 100 + 20 + 9

= - 100 + 29

= - 71

Hope this helps you

7 0

3 years ago

Describe a situation that models a linear pattern and then describe a situation that models a nonlinear pattern. Do not state wh

UNO [17]

While linear equations are always straight, nonlinear equations often feature curves.

3 0

2 years ago

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