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Sergeu [11.5K]
2 years ago
5

A sample of students is taken from the school's A honor roll. The school

Mathematics
1 answer:
Lorico [155]2 years ago
5 0
360 that is the answer to how many honors there are
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Any answers? No need for an explanation if you want to sure, the answer would be appreciated!
Simora [160]
Yes because 9+4 = 13 and if you plug in the y and x it turns out true
6 0
2 years ago
What is the point-slope form of the equation of a line that passes through the point (1, 4) and has a slope of −3?
insens350 [35]
I hope this helps you



x'=1 y'=4 slope = -3



slope. (x'-x)=y'-y


-3. (1-x)=4-y


-3+3x=4-y


y=4+3-3x


y=7-3x
3 0
3 years ago
A number to the 8th power divided by the same number to the 5th power equals 216
strojnjashka [21]

Answer:

X=6

Step-by-step explanation:


8 0
3 years ago
Read 2 more answers
A cup of coffee contains about 100 mg of caffeine. Caffeine is metabolized and leaves the body at a continuous rate of about 12%
Mamont248 [21]

Answer:

a. A = C_{0}(1-x)^t\\x: percentage\ of \ caffeine\ metabolized\\

b. \frac{dA}{dt}= -11.25 \frac{mg}{h}

Step-by-step explanation:

First, we need tot find a general expression for the amount of caffeine remaining in the body after certain time. As the problem states that every hour x percent of caffeine leaves the body, we must substract that percentage from the initial quantity of caffeine, by each hour passing. That expression would be:

A= C_{0}(1-x)^t\\t: time \ in \ hours\\x: percentage \ of \ caffeine\ metabolized\\

Then, to find the amount of caffeine metabolized per hour, we need to differentiate the previous equation. Following the differentiation rules we get:

\frac{dA}{dt} =C_{0}(1-x)^t \ln (1-x)\\\frac{dA}{dt} =100*0.88\ln(0.88)\\\frac{dA}{dt} =-11.25 \frac{mg}{h}

The rate is negative as it represents the amount of caffeine leaving the body at certain time.

3 0
3 years ago
What is the circumference of a circle with a radius of 2.5 meters?
Hitman42 [59]

Answer:

15.71m

Step-by-step explanation:

circumference of a circle = 2πr

where r = 2.5m

where π = 3.142

we have,

2*3.142*2.5 = 15.71m

therefore the circumference of a circle with a radius 2.5m = 15.71 m

8 0
3 years ago
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