40 POINTS AND BRAINLIEST ANSWER! you have to match which ones they go to

Mathematics

1 answer:

Yuliya22 [10]2 years ago

8 0

Seconded to the bottomed is symmetric property of equality
bottomed one is substitution property of equality
first one is reflexive property of equality <span />

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A study on the population of wolves is being done in a county to determine how the number of wolves has changed over time. The p

mr_godi [17]

Answer:

Step-by-step explanation:

The population of wolves is given by P(t) = 80(0.98)t.

The study has began in the year of 2000 and will end in 2020.

The difference between 2000 and 2009 is 9 years and the difference between 2009 and 2020 is 11 years.

Hence, the maximum value of t is 11.

The domain is $0 \leq t \leq 11$ .

The population will be 80, that is P(t) = 80.

Hence, 0.98t = 1, or, t = $\frac{1}{0.98} = \frac{100}{98} = \frac{50}{49}$ ≅1.

In (2009 + 1) = 2010, the population of wolves will be 80.

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3 years ago

How to rewrite 9/10 and 23/25 so they have common denominators

Virty [35]

45/50 and 46/50 could be one of the options of 4.5/5 and 4.6/5

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2 years ago

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Factorize the following algebraic expression:

Hoochie [10]

X^2+16-38=0
find what 2 numbers multiply to get -38 and add to get 16
find factors of 38
2 times 19
there is no way to use common factor so use quadratic formula which is
x= $\frac{ -b+\sqrt{b^2-4ac} }{2a}$ or x= $\frac{ -b-\sqrt{b^2-4ac} }{2a}$

ax^2+bx+c=0 subsitte
a=1
b=16
c=-38
subsitute
$\frac{ -16+\sqrt{16^2-4(1)(-38)} }{2(1)}$ = $\frac{ -16+\sqrt{256+152} }{2}$ = $\frac{ -16+\sqrt{408} }{2}$ = $\frac{ -16+2\sqrt{102} }{2}$ = $-8+\sqrt{102}$
so the answers for x are $-8+\sqrt{102}$ and $-8-\sqrt{102}$ which are aprox -2.099504938362 and +18.099504938362
so it would be
(x-[-8+√102])(x+[8+√102])=0

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2 years ago

What 15 by 15 I need to know!!

Colt1911 [192]

15 times 15 = 225. :) since i helped you, can you help me? My question: <span>brainly.com/question/2967131</span>

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3 years ago

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What is the slope of a line between (-4,14) and (-16,8)

Bess [88]

Answer:

$\frac{1}{2}$