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pantera1 [17]
2 years ago
11

6) The population of rats doubles every 8 months. If there were 23 rats to start how many

Mathematics
2 answers:
taurus [48]2 years ago
7 0

Answer:

736

Step-by-step explanation:

Fittoniya [83]2 years ago
7 0

Answer:

368 rats

Step-by-step explanation:

First, you find how many times the population doubles. 32/8 = 4, so the population doubles 4 times.

So, the number of rats = 23 * (2^4) = 368

Or, instead of using exponents, you can double the population four times separately.

23 * 2 = 46

46 * 2 = 92

92 * 2 = 184

184 * 2 = 368 rats

P.S. Please give me brainliest, I need it to rank up.

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laurens suv was detected exceeding the posted speed limit of 60 kilometers per hour , how many kilometers would she have been tr
Vlada [557]

Answer:

60 kilometers per hour (kmph) over the limit

Step-by-step explanation:

The speed limit is 60 kmph

Let's find his original rate:

We know D = RT

Where

D is the distance, in km

R is the rate, in kmph

T is the time in hours

He went 10 km in 5 minutes, so we need the time in hours, first. That would be:

5/60 = 1/12 hour

So, putting into formula, we find rate:

D = RT

10 = R(1/12)

R = 10/(1/12)

R = 10 * 12

R = 120 kmph

He was going over by:

120 - 60 = 60 kmph

6 0
3 years ago
Can anybody helppp meee please
crimeas [40]

Answer:

r^2=(A/pi)

Step-by-step explanation:

if A=pi*r^2 then maybe dividing by pi to get r^2 alone says r^2=(A/pi) or to get rid of the exponent you may square root each side so r=(sqrt(A/pi))

3 0
3 years ago
The rate of change of the function f(x) = 8 sec(x) + 8 cos(x) is given by the expression 8 sec(x) tan(x) − 8 sin(x). Show that t
liq [111]

Answer:

Shown - See explanation

Step-by-step explanation:

Solution:-

- The given form for rate of change is:

                              8 sec(x) tan(x) − 8 sin(x).

- The form we need to show:

                              8 sin(x) tan2(x)

- We will first use reciprocal identities:

                              8\frac{sin(x)}{cos^2(x)} - 8sin(x)

- Now take LCM:

                            8\frac{sin(x)- sin(x)*cos^2(x)}{cos^2(x)}

- Using pythagorean identity , sin^2(x) + cos^2(x) = 1:

                            8*sin(x)*\frac{1- cos^2(x)}{cos^2(x)} = 8*sin(x)*\frac{sin^2(x)}{cos^2(x)}

- Again use pythagorean identity tan(x) = sin(x) / cos(x):

                            8*sin(x)*tan^2(x)

8 0
3 years ago
Read 2 more answers
Evaluate the expression. 10!
Mrac [35]

Answer:

3628800

Step-by-step explanation:

10*9*8*7*6*4*3*2*1=3628800

6 0
2 years ago
Russ and vickie are trying to solve this problem there are 146 student taking the buses to tje museum if each .bus hold 24 stude
Genrish500 [490]
146 divided by 24=6.083repeating since buses cant be split you would need to round up so about 7 buses would be needed
5 0
3 years ago
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