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vichka [17]
3 years ago
14

NEED HELP ASAP WILL MARK BRAINLET FOR GOOD AND CORRECT ANSWER!!!!

Mathematics
1 answer:
hjlf3 years ago
3 0
Hey! The surface area is 294. Have a great day. :-)
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Can you please help me with this question
Nina [5.8K]
What does is say? it real blurry


4 0
4 years ago
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Find (f o g)(x)<br> Consider f(x) = x + 7 and g(x) = x2 –1
natima [27]
<h3>Answer:  x^2 + 6</h3>

Work Shown:

(f o g)(x) = f(g(x))

f(x) = x + 7

f( g(x) ) = g(x) + 7 ... replace every x with g(x)

f( g(x) ) = x^2-1 + 7 .... plug in g(x) = x^2-1

f( g(x) ) = x^2 + 6

(f o g)(x) = x^2 + 6

3 0
3 years ago
I need help to solve this problem I don't know how​
IgorC [24]

Answer:

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Step-by-step explanation:

3 0
3 years ago
A number cube with the numbers 1 through 6 is rolled. What is the probability of the number cube showing either a 1 or an even n
Marizza181 [45]

Answer: 4/6 or 2/3

Step-by-step explanation:

Half of the dice has even numbers and the other has odds so because of that it already gives you a 3/6 or 1/2 chance of getting an even. And the one for getting would be a 1/6. But because we already have the evens for 3/6 we can then add the 1/6 to get 4/6 or 2/3

3 0
3 years ago
Read 2 more answers
Jordan works in a science lab where he is studying the behavior of a certain unstable isotope. He has 240 milligrams of the samp
iVinArrow [24]

Let the initial mass be represented by m_0. Therefore, m_0=240 mg.

Let the final mass (or present mass be represented by m. Therefore, m=115mg.

Now, we are given that the rate of decay is 8% or 0.008 per day. Therefore, the amount of substance remaining after each day will be 100\%-8\%=92\%=0.92. Let us represent this by r_d.

Please note that the equation guiding such decays is always given by:

m=m_0(r_d)^t, where t is the time.

Thus, the above equation will give in our case:

115=240(0.92)^t

\frac{115}{240}\approx0.4792=(0.92)^t

Taking natural logarithm on both sides we get:

ln(0.4792)=t\times ln(0.92)

Therefore, t=\frac{ln(0.4792)}{ln(0.92)}

t\approx8.823 days<9 days

Thus, in 9 days there will be further decay and the sample left will definitely be less than 115 milligrams.

The only option which matches this reality is Option C. Therefore, Option C is the correct answer.


6 0
3 years ago
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