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3 years ago

Solve this complex fractions: (3/4)/2

Mathematics

1 answer:

strojnjashka [21]3 years ago

7 0

Answer:

your answer is 0.375

Step-by-step explanation:

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Assume that you heat your home with a heat pump whose heat exchanger is at Tc=2∘C, and which maintains the baseboard radiators a

elena-14-01-66 [18.8K]

Answer:

$187.61

Step-by-step explanation:

Data provided:

Temperature of the heat exchanger, Tc = 2° C = 273 + 2 = 275 K

Temperature of the base board radiators , Th=47° C = 273 + 47 = 320 K

Cost of heating the house = $1000

Coefficient of performance of the heat pump = 75% = 0.75

Now,

Actual performance = 75% of performance of heat pump

Actual performance = 0.75 × $\frac{\textup{Th}}{\textup{Th-Tc}}$

Actual performance = 0.75 × $\frac{320 K}{320-275}$

Actual performance = 0.75 × $\frac{320}{45}$

Actual performance = 5.33

Therefore, the cost = $\frac{\textup{1000}}{\textup{5.33}}$

cost = $187.61

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4 years ago

I need help on this 3,4,and 2 help me solve one please

Mrrafil [7]

3) 12 divided by 3= 4

4 x 2= 8

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4 years ago

Kelsey graphed the equation y = 3x + 1 as shown below.

miv72 [106K]

I think it’s B but I’m not for sure

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3 years ago

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I need help!!!!<br><br> The square below has the given side lengths. x is positive

Hoochie [10]

Answer:

Value of X: X=2

Length of One Side: 31

Area: 961u^2

Perimeter: perimeter = 124

Step-by-step explanation:

Set the sides equal to each other, simplify and then use quadratic equation. One result is positive and the other is negative, shape's sides have to be positive so use the positive value for X.

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2 years ago

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Determine a rational number in between -2 1/4 and -2.8 justify and graph where it would be on a number line

Nitella [24]

Answer:

Its going to be on the -5, 0 point

Step-by-step explanation:

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3 years ago