3 years ago

NIE

Mathematics

1 answer:

Vaselesa [24]3 years ago

4 0

Hi!

Please see the attached image for your answer with explanation.

Have a great day!

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Simplify -4x + 3y + -2z + 2y

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Answer:

−4+5−2

Step-by-step explanation:

Just combine the like terms which are 3y and 2y, you add and get 5y and everything else stays the same

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Answer the questions

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Answer:

c) x= 15

d) x= 5

Step-by-step explanation:

c)4x + 5+ 7x +10=180

solve it like usually

for d) 3x + 15+12x=90

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A scientist is studying the population growth rates of two different species of rats in the same laboratory conditions. The popu

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Since, population of species A is represented by : $P=2^{x} +19$

Let us find the population of species A, at the end of week 1:

i.e., x = 1

i.e., $P(1)=2^{1} +19$

i.e., $P(1)=2 +19$

i.e., $P(1)=21$

Also, since population of species B is represented by : $P=3^{x} +18$

Let us find the population of species B, at the end of week 1:

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i.e., $P(1)=3 +18$

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Thus, at the end of 1 week, species A and species B will have the same population.

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3 years ago

What is the answer to 81.56 + n - 2.55

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81.56+n-2.55=0
81.56+n=2.55
n=2.55-81.56
n=-79.01

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