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Alja [10]
3 years ago
10

The first CORRECT answer will receive Brainliest. If you can’t see zoom in. If you have any questions click the three dots next

to my question and click on comments. You’ll be able to ask me there. I don’t want what you think the answer is, I want to KNOW the answer!
Be safe and have a blessed one. God loves you!

Mathematics
1 answer:
myrzilka [38]3 years ago
5 0

Answer:

volume before window is taken out = lwh

volume of window is w^3

total volume is..... as given in pic

this is right

...............

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You look good today, and don’t let people tell you other wise (:
Tamiku [17]

Answer:

Thank You. Have a wonderful day

Step-by-step explanation:

5 0
3 years ago
A radioactive substance decays exponentially: The mass at time t is m(t) = m(0)e^kt, where m(0) is the initial mass and k is a n
forsale [732]

Answer:

mean life = 8264.5 s

Step-by-step explanation:

k = - 0.000121

The relation is given by

m = mo e^{kt}

Now, the mean life is the life time for which the sample retains.

The mean life is the reciprocal of the decay constant.  

The relation between the mean life and the decay constant is

\tau =\frac{1}{k}\\\\\tau = \frac{1}{0.000121} = 8264.5 seconds

5 0
3 years ago
Please help me!!! what is the average of 24, 38, and 19?
faust18 [17]
You have to add up all the numbers then divide by the amount of numbers there are
24+38+19=81
81/3=27
The average is 27
6 0
3 years ago
Read 2 more answers
Select correct equation rule​
Darya [45]

Answer:

x/2

Step-by-step explanation:

2/2=1=y

4/2=2=y

6/2=3=y

7 0
3 years ago
Explain why please and make sure it is in full detail
Marysya12 [62]

Step-by-step explanation:

well,

(y - 7)² = (y - 7)(y - 7)

remember how to multiply 2 expressions ?

you have to multiply every term of one expression with every term of the other expression and sum the results all up (incl. considering their individual signs, of course).

so, when we do the multiplication, we get

(y - 7)(y - 7) = y×y - 7×y - 7×y + (-7)×(-7) =

= y² - 14y + 49

and that is clearly different to y² - 49

FYI

y² - 49 is the result of

(y - 7)(y + 7)

because

y×y + 7×y - 7×y + (-7)(7) = y² - 49

8 0
2 years ago
Read 2 more answers
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