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saul85 [17]
3 years ago
6

Please someone help me

Mathematics
1 answer:
malfutka [58]3 years ago
7 0
It's 18. Hope this helps ;)
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SOMEONE HELP!!!!!! Don’t use what websites! And please like list answer 1,2,3, and 4
harkovskaia [24]

Answer:

1. 24  2. 20  3. 1.75(I think)  4. 11

Step-by-step explanation:

3 might be incorrect but The others seem more correct than ever :)

8 0
2 years ago
After the consumption of an alcoholic beverage, the concentration of alcohol in the bloodstream (blood alcohol concentration, or
bezimeni [28]

Answer:

  about 0.177 mg/mL

Step-by-step explanation:

The maximum is found where the derivative of C(t) is zero.

  dC/dt = 1.35e^(-2.802t) -(1.35t)2.802e^(-2.802t) = 0

Solving for t gives ...

  t = 1/2.802

So, the maximum C(t) is ...

  C(1/2.802) = 1.35/2.802e^(-1) ≈ 0.177 . . . . . mg/mL

The maximum average BAC during the first 6 hours is about 0.177 mg/mL.

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The maximum occurs about 21 minutes 25 seconds after consumption.

8 0
3 years ago
Determine the maximum number of zeros and the x-intercepts of the function: (x^2-x-2)(3x-2)
schepotkina [342]

Answer:

3

Step-by-step explanation:

note that zeros and x-intercepts are the same with different names

There are 2 zeros from the quadratic factor and 1 from the linear factor.

To find them equate the function to zero, that is

(x² - x - 2)(3x - 2) = 0

(x - 2)(x + 1)(3x-2) = 0 ← factoring the quadratic

equate each factor to zero and solve for x

x - 2 = 0 ⇒ x = 2

x + 1 = 0 ⇒ x = - 1

3x - 2 = 0 ⇒ x = \frac{2}{3}


4 0
2 years ago
Ifr=9 and t= 11, what is the value of 2rt?<br> 50<br> O 101<br> 100<br> O 198
olasank [31]

Answer:

198

Step-by-step explanation:

2(9)(11)

Since you know that r = 9 and t = 11, you can substitute the variables to numbers. Then you just multiply to get 198. Hope this helps :)

4 0
3 years ago
Read 2 more answers
Which two perfect squares should be used to estimate ?
-Dominant- [34]

Answer:

i think ur answer is a im not 100 percent sure let me know if im wrong

Step-by-step explanation:


6 0
3 years ago
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