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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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PLEASE HELP QUICK!!!! I WILL GIVE YOU BRAINLIEST!!!

Ksju [112]

The vertex of the function is (-6,-36).

<u>Step-by-step explanation:</u>

f(x) = x²+ 12x

From the above function, we can find the x- coordinate of the vertex as,

x = -b/2a

Here a = 1, b = 12

Plugin the values as,

x = -12 /(2×1) = -6

Now plug in the x value in the above function, we will get y as,

f(x) = y = x² + 12x = (-6)² + 12(-6)

= 36-72 = -36

So the vertex is (-6, -36).

5 0

3 years ago

A large software development firm recently relocated its facilities. Top management is interested in fostering good relations wi

Rashid [163]

Answer: 3.5308

Step-by-step explanation:

Claim : The firm's professionals volunteer an average of more than 15 hours per month.

i.e. $\mu>15$

Null hypothesis : $H_0:\mu\leq15$

Alternative hypothesis : $H_1:\mu>15$

Sample size : $n=24$

The sample mean : $\overline{x}=16.6\text{ hours}$

Sample standard deviation : $\sigma=2.22\text{ hours}$

The test-statistics for the population mean is given by :-

$z=\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}$

i.e. $z=\dfrac{16.6-15}{\dfrac{2.22}{\sqrt{24}}}=3.5307960256\approx3.5308$

Hence, the correct value of the test statistic for the appropriate hypothesis test is 3.5308.

6 0

3 years ago

When a² + a - 3 is subtracted from 3a² - 5, the result is

levacccp [35]

Step-by-step explanation:

$(3 {a}^{2} - 5) - ( {a}^{2} + a - 3 )\\ = 3 {a}^{2} - 5 - {a}^{2} - a+ 3 \\ = 2 {a }^{2} -a - 2$

8 0

3 years ago

Read 2 more answers

A school took 4 buses and 12 kids in cars to

Solnce55 [7]

Answer:

Step-by-step explanation:

First, subtract the kids in the cars. These kids aren't on buses.

228 - 12 = 216 kids on buses

Next, divide the 216 kids into 4 buses.

216 / 4 = 54

There were 54 kids on each bus.

7 0

3 years ago

Read 2 more answers

Write the first five terms of the recursively defined sequence. a1 = 6, ak 1 = 1 3 ak2

vova2212 [387]

The first five terms of the recursively defined sequence are 6, 12, 48, 768, 196608

For given question,

We have been given the recursive formula of a sequence.

$a_{k+1}=\frac{1}{3}{a_k}^2$

Also, the first term of the sequence is,

a1 = 6

Substitute k = 1 in given recursive formula.

⇒ $a_{1+1}=\frac{1}{3}{a_1}^2$

⇒ a2 = 1/3 (6)²

⇒ a2 = (1/3) × 36

⇒ a2 = 12

Substitute k = 2 in given recursive formula.

⇒ $a_{2+1}=\frac{1}{3}{a_2}^2$

⇒ a3 = (1/3) × (12)²

⇒ a3 = (1/3) × 144

⇒ a3 = 48

Substitute k = 3 in given recursive formula.

⇒ $a_{3+1}=\frac{1}{3}{a_3}^2$

⇒ a4 = (1/3) × (48)²

⇒ a4 = (1/3) × 2304

⇒ a4 = 768

Substitute k = 4 in given recursive formula.

⇒ $a_{4+1}=\frac{1}{3}{a_4}^2$

⇒ a5 = (1/3) × (768)²

⇒ a5 = (1/3) × 589824

⇒ a5 = 196608

Therefore, the first five terms of the recursively defined sequence are 6, 12, 48, 768, 196608

Learn more about the recursive formula of sequence here:

brainly.com/question/14457800

#SPJ4

7 0

1 year ago