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Monica [59]
3 years ago
9

25 POINTS!! Help will give the brainliest

Mathematics
1 answer:
polet [3.4K]3 years ago
6 0

Answer:

value of a in terms of b and c is: \mathbf{a=bc}

Option D is correct.

Step-by-step explanation:

We are given:

a=b^2c^2d \:and\: d=\frac{1}{a}

We need to find a in terms of b and c

We have: a=b^2c^2d

Put value of d d=\frac{1}{a}

a=b^2c^2(\frac{1}{a})\\a^2=b^2c^2\\Taking \:squareroot\:on\:both\:sides\\\sqrt{a^2}=\sqrt{b^2c^2}\\a=bc

So, value of a in terms of b and c is: \mathbf{a=bc}

Option D is correct.

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Consider a nuclear power plant that produces 1200 MW of power and has a conversion efficiency of 34 percent (that is, for each u
Pachacha [2.7K]

Answer:

Fuel used = 111,303,473,760 MJ/year

Step-by-step explanation:

Power production = Fuel energy * Efficiency

1200 MW = Fuel energy * 0.34

Fuel energy = 1200 MW / 0.34 =3529.41 MW

This means it consumes 3529.41 MJ/s.

Per year, it operates 365 days, 24 hours a day, 3600 seconds an hour.

To calculate the fuel used annualy we have to multiplicate by all these factors

Fuel used = 3529.41 MJ/s * 3600 s/hour * 24 hours/day * 365 days/year

Fuel used = 111,303,473,760 MJ/year

4 0
3 years ago
Solve this problem 5x+6y=60
12345 [234]

Answer:

if the outputs can be whole number then,

(x,y) = (0, 10) or (6,5) or (12,0)

if the outputs can be natural number then,

(x,y) = (6,5)

6 0
3 years ago
Read 2 more answers
Independent random samples are selected from two populations and are used to test the hypothesis H0:(μ1−μ2)=0H0:(μ1−μ2)=0 agains
lozanna [386]

Answer:

a. We do not have enough evidence to conclude that the two means differ.

b. There is no difference in the population means.

Step-by-step explanation:

a) Results of the test:

Having p - value to be very high, we have strong evidence of not rejecting H o and hence,

We do not have enough evidence to conclude that the two means differ.

b) For a one tailed test,

p - value = 0.115/2 = 0.0575

Interpretation: p - value is the probability of getting the difference as small as obtained in the sample, given that the null hypothesis is true i.e. there is no difference in the population means.

7 0
3 years ago
You need a 35% alcohol solution. On hand, you have a 715 mL of a 20% alcohol mixture. You also have 90% alcohol mixture. How muc
asambeis [7]

Answer:

90% Solution

Step-by-step explanation:

5% of 90 + 90% of x = 75% of (90 + x)

5×90/100 + 90x/100 = 75×90/100 + 75x/100

Or 90x/100 - 75x/100 = 75×90/100 - 5×90/100

Or 15x/100 = 90×70/100

Or X = 420ml

You Will Need ML Of The 90% Solution To Obtain ML Of The Desired 75% Solution.

6 0
3 years ago
Read 2 more answers
Find the limit of the function by using direct substitution. limit as x approaches zero of quantity x squared plus one.
katen-ka-za [31]
Direct substitution allows us to put the limit value directly into he equation in question.
\lim_{x \to 0}  (x^{2} +1) =  (0^{2}+1)=1
So the answer is 1
5 0
3 years ago
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