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kipiarov [429]
3 years ago
8

Solve the equation for y. Identify the slope and y-intercept then graph the equation.

Mathematics
1 answer:
drek231 [11]3 years ago
5 0

Answer:

y = 1        m = -3       b = 1

Step-by-step explanation:

y = mx + b                          y = -3x + 1

y = 1

m = -3

b = 1

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Math help please <br><br> Thanks <br> A lot
babunello [35]

Answer:  

2 hours:  3968  <u>[I don't understand the $ sign in the answer box]</u>

At midnight:  12137

Step-by-step explanation:

The bacteria are increasing by 15% every hour.  So for every hour we will have what we started with, plus 15% more.  

The "15% more" can be represented mathematically with (1 + 0.15) or 1.15.  Let's call this the "growth factor" and assign it the variable b.  b is (1 +  percent increase).

Since this per hour, in 1 hour we'll have (3000)*(1.15) = 3450

At the end of the second hour we're increased by 15% again:

(3450)*(1.15) = 3968.

Each additional hour add another (1.15) factor,  If we assign a to be the starting population, this can be represented by:

P = a(1.15)^t for this sample that increase 15% per hour.  t is time, in hours.  

If a represents the growth factor, and P is the total population, the general expression is

P = ab^t

Using this for a = 3000 and b = 1.15, we can find the total population at midnight after starting at 2PM.  That is a 10 hour period, so t = 10

P = (3000)*(1.15)^10

P = 12137

8 0
3 years ago
a game is played by drawing 4 cards from a standard playing deck and replacing each card after it is drawn. find the probability
natima [27]
It is a 1 in 13 chance of drawing at least 1 ace. 
8 0
3 years ago
Number 5 ABC or D? Please help
RoseWind [281]

Answer:

D

Step-by-step explanation:

you want to solve it out

start with multiplying z to each. you don't multiply it to the 6 because it is in the same parenthesis set, but you multiply it to everything in the other set.  After multiplying, you get: 2z^3 , 3z^{2} , 5z

now do that to the 6. After multiplying you get:  12z^{2}, 18z, 30

now set it all next to each other 2z^3 + 3z^{2} + 5z + 12z^{2} + 18z + 30

now combine like terms. start with the to the highest power. since there is only one that has a third power, you put that one first. then you combine the squared ones, and so forth.

work combining the squares: 3z^{2} + 12z^{2} = 15z^{2}

work combing the single z's: 5z + 18z = 23z

to get this:  2z^3 + 15z^{2} + 23z + 30

so, the answer is D

4 0
3 years ago
Steak Dinner: $10.59
gregori [183]

Answer: $11.41

Step-by-step explanation:

3 0
3 years ago
Please answer this question, i need it to be explained also.please
Anettt [7]

Answer:

6.6

Step-by-step explanation:

If you minus 54.2 and 47.6 you get 6.6

54.2

-<u>47.6</u>

6.6

8 0
3 years ago
Read 2 more answers
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