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den301095 [7]
2 years ago
13

Simplify the expression: 3(5+3k) whoever first gets brainliest

Mathematics
1 answer:
miss Akunina [59]2 years ago
8 0

Answer:

Step-by-step explanation:

15+9k

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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
Korolek [52]

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:

i.e., x = 1

i.e., P(1)=3^{1} +18

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

i.e., P(1)=21


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

Hence, option D is correct.

4 0
3 years ago
Um, I don't really understand this can anyone help?
gladu [14]

Answer:

take the numbers in the () and turn them into a equation  slope

Step-by-step explanation:

8 0
3 years ago
Mitch is saving money to go on a camping trip this summer. So far he has saved $160 which is 40% of the money needed to go on th
faust18 [17]
I think the answer is D. 
8 0
3 years ago
Multiply and simplify the following complex numbers:<br> (5 – 5i) . (-3+5i)
Rama09 [41]

Step-by-step explanation:

(5 – 5i) . (-3+5i)

=-15+25i+15i-25i²

=-25i²40i-15

7 0
3 years ago
Read 2 more answers
I need help is it a, b, c, or d
Salsk061 [2.6K]
It’s B
23x+23
Just add
3 0
3 years ago
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