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lbvjy [14]
3 years ago
10

The growth of a new strain of bacteria is represented by y=79.31(1.48)^x where x represents the number of days and y represents

the number of bacteria which is the best prediction for the number of bacteria on day 8?
A) 1826 bacteria
B) 2024 bacteria
C) 2702 bacteria
D) 939 bacteria
Mathematics
1 answer:
Likurg_2 [28]3 years ago
8 0
So we are given the equation
y = 79.31(1.48)ˣ
Whereas the x represents the number of days <--- what you need to know
y is the final number you are going to get, does not matter for now
You are trying to find the number of bacteria on Day 8
Put 8 into x
PEMDAS
Parentheses
Exponents
Multiplication/Division
Addition/Subtraction
1.48⁸ = 23.019
79.31 * 23.019 = 1825.667
Your answer would be A.
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Easy Question giving 80 points
Bas_tet [7]

Answer:

1=30

2=90

3=21

4=39

5=39

6=24

7=24

8=66

9=66

10=21

11=60

12=120

13=60

14=120

15=48

16=105

17=27

18=129

19=51

20=129

21=51

Step-by-step explanation:

please please please pleas mark me brainliest that was really hard

5 0
3 years ago
Read 2 more answers
What does x,y mean I have no idea
uysha [10]
On a graph, when a line is going up or down, that is y. When it is going horizontally, that is x.  So they can be used as points.  For example, if the coordinates were 3, 4, (x, y), then you would first go across 3 on the graph and then go up 4. There you would plot your point. It can also be used in equations. For example, if the equation was..
2x + 3y, and the coordinates were 1, 2, (x, y), then x would be 1 and y would be 2. In order to solve, you would plug in x and y. Hope this helps. If you could give me the brainiest answer that would be greatly appreciated.
7 0
3 years ago
Jan is x years old, her sister is twice as old as her, and her brother is three times older than her. Their ages add up to 29. H
victus00 [196]

Jan's age = 4\frac{5}{6} years

Sister's age =9\frac{2}{3} \: years

Step-by-step explanation:

Jan's age = x years

Sister's age = 2x years

Brother's age = 3x years

According to the given condition:

x + 2x + 3x = 29

6x = 29

x = 29/6

x = 4\frac{5}{6} years

2x = 2\times \frac{29}{6}= \frac{29}{3}=9\frac{2}{3} \: years

Therefore,

Jan's age = 4\frac{5}{6} years

Sister's age =9\frac{2}{3} \: years

3 0
3 years ago
Toby buys a new mp3 player for a price of $45.00. what is the total amount his credit card is charged if the sales tax is 7%
goldenfox [79]
The total amount his credit charged is $48.15. Hope it help!
5 0
3 years ago
Kiersten runs a website that helps people learn programming. Every month, Kiersten receives a subscription fee of
Svetradugi [14.3K]

Answer:

200 dollars,

I am assuming that your question goes like this: "Kiersten runs a website that helps people learn programming. Every month, Kiersten reveives a subscription fee of $10, $10 from each of the subscribers to her website. Last month, the website had 100 subscribers. This month, 30 new members joined the website, and 10 members cancelled their subscription. How much money will Kiersten's online business earn this month?

Step-by-step explanation:

Since her website had 100 subscribers last month, she earned $1000 (100 x 10). This month, 30 members joined and 10 members left, so in total, she gained 20 subscribers for a total of 120 subscribers this month. So she made 1200 dollars this month (100 x 120). She earned 200 more dollars this month since 1200-1000=20.

4 0
3 years ago
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