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Morgarella [4.7K]
3 years ago
8

How do i solve this question

Mathematics
1 answer:
laiz [17]3 years ago
6 0
You need to attach the photo we can’t see
You might be interested in
Evaluate.
tekilochka [14]

Step-by-step explanation:

W=-6, x=1.2, and z=-6/7

(W²x-3)÷10-z

we substitute

((-6²)(1.2)-3)÷10-(-6/7)

((-36)(1.2)-3) ÷10-(-6/7)

(-43.2-3) ÷10(6/7)

(-46.2)÷60/7

-46.2÷60/7

-46.2*7/60

-46.2/1*7/60

-323.4/60

-5.39

8 0
3 years ago
Oil is pumped continuously from a well at a rate proportional to the amount of oil left in the well. Initially there were 3 mill
abruzzese [7]

Answer:

V' = -0.11552 *V\\= -0.11552(1.8)\\ \\=-0.20794 million per year

Step-by-step explanation:

Given that oil is pumped continuously from a well at a rate proportional to the amount of oil left in the well. Initially there were 3 million barrels of oil in the well; six years later 1,500,000 barrels remain.

i.e. if V stands for volume of oil, then

V' =kV\\dv/V= kdt\\ln V = kt+C\\V = Ae^{kt}

To find A and k

V(0) = A = 3 million

Hence V = 3e^{kt}

V(6) = 1.5

i.e. 1.5 = 3e^{6k}\\ln 1.5 =ln 3 +6k\\k = -0.11552

V(t) = 3e^{-0.11552t}

a) Using the above value of k , we have

V' = -0.11552 *V\\= -0.11552(1.8)\\ \\=-0.20794 million per year.

4 0
4 years ago
An integer is chosen at random from 1 to 50 inclusive. Find the probability that the chosen integer is not divisible by 2, 7, or
Crank

Answer:

13/50

Step-by-step explanation:

The probability is 13/50.

6 0
3 years ago
Simplify √32 + √16 + V8
Trava [24]

Answer:

   4 + 6√2

Step-by-step explanation:

\sqrt{32}+\sqrt{16}+\sqrt{8}\\\\\sqrt{(32)} +\sqrt{(16)}+\sqrt{(8)}\\\\\sqrt{(16)(2)} +\sqrt{(16)}+\sqrt{(4)(2)}\\\\\sqrt{(16)}\sqrt{(2)}+\sqrt{(16)}+\sqrt{(4)}\sqrt{(2)}\\    \\4\sqrt{(2)}\:\:\:\:\:\:\:\:\:\:+\:\:\:\:\:4\:\:\:\:\:+\:\:\:\:2\sqrt{(2)}  \\\\4\:\:\:+\:\:\:6\sqrt{(2)} \\\\4\:\:\:+\:\:\:6\sqrt{2}

4 0
3 years ago
Solve 5x + 2 = 3x + 4(2x - 1)
VMariaS [17]

Answer:

X=1

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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