3 years ago

What does COP mean? How do you execute it?

Mathematics

1 answer:

Rzqust [24]3 years ago

8 0

Answer:

COP: Coefficient Of Performance

Execute: A COP is a ratio that measures the amount of energy a heating/cooling appliance outputs to the amount it consumes. (maybe this is how you can plan it, execute means different things, and I think what they mean is how you can plan it....

Maybe this would help?!

Have a supercalifragilisticexpialidocious day!

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Sean bought a laptop and a printer.

stealth61 [152]

Answer:

£102.04

Step-by-step explanation:

£1250 - £1100 = £150

printer sold for £150

£150 = 147%

1% = 1.0204

100% = 102.0408

to 2dp = £102.04

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3 years ago

If the graph of f(x) = x is shifted up 9 units, what would be the equation of the new graph?

goblinko [34]

Answer:

x+9

Step-by-step explanation:

f(x) = x, going up 9

that is y=x, going up 9

if you wnat to go up, subtract 9 from y

y -9 = x

y=x+9

convert back to f(x)

f(x) = x+9

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3 years ago

If x^2 - 6xy = z - 9y^2, make x the subject of the formula

alukav5142 [94]

$~~~~x^2-6xy=z-9y^2\\\\\implies x^2- 2\cdot x\cdot 3y + (3y)^2 - (3y)^2 = z-9y^2\\ \\\implies (x-3y)^2 -9y^2 = z-9y^2\\\\\implies (x-3y)^2 = z\\\\\implies x - 3y =\pm\sqrt z\\\\\implies x = 3y\pm\sqrt z$

4 0

3 years ago

Solve for x<br> 10 + 4x = 5(z - 6) + 33

gogolik [260]

Answer:

Step-by-step explanation:

X=5/4z - 7/4

5 0

3 years ago

Read 2 more answers

Whats the volume of a cone? Lengths: 9cm, 5cm

abruzzese [7]

Answer:

B) 75π cm³

Step-by-step explanation:

The volume of a cone is given by the formula ...

V = (1/3)πr²h

Your cone has r = 5 cm and h = 9 cm. Putting these values into the formula gives ...

V = (1/3)π(5 cm)²(9 cm) = 75π cm³

3 0

3 years ago