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arlik [135]
3 years ago
7

How to write x^2 + y^2 - 2x + 2y = 7 in standard form​

Mathematics
1 answer:
kodGreya [7K]3 years ago
3 0

Answer:

7 is its standared form

Step-by-step explanation:

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High-power experimental engines are being developed by the Stevens Motor Company for use in its new sports coupe. The engineers
Maurinko [17]

Answer:

The 99% of a confidence interval for the average maximum HP for the experimental engine.

(536.46, 603.54)

Step-by-step explanation:

<u><em>Step:-1</em></u>

Given that the mean of the Population = 540HP

Given that the size of the sample  'n' = 9

Given that the mean of the sample = 570HP

Given that the sample standard deviation = 30HP

<u><em>Step(ii):-</em></u>

<u><em>Degrees of freedom = n-1 =9-1 =8</em></u>

<u><em>t₀.₀₀₅ = 3.3554</em></u>

The 99% of a confidence interval for the average maximum HP for the experimental engine.

(x^{-} - t_{\frac{0.01}{2} ,8} \frac{S.D}{\sqrt{n} } ,x^{2}  + t_{\frac{0.01}{2},8 } \frac{S.D}{\sqrt{n} } )

(570-3.354\frac{30}{\sqrt{9} } , 570+3.354\frac{30}{\sqrt{9} } )

(570 - 33.54 , 570+33.54)

(536.46 , 603.54)

<u><em>Final answer</em></u> :-

<em>The 99% of a confidence interval for the average maximum HP for the experimental engine.</em>

<em>(536.46, 603.54)</em>

<em></em>

4 0
3 years ago
Please answer if you can.
Mumz [18]

Answer:

25+24= 49coins 49÷2.5 is 19.5 so there are 19.5 dimes in the bag I believe

7 0
3 years ago
Write the following relationship as a ratio in simplest form. 18 students out of 42 students
ioda

Answer:

3:7

Step-by-step explanation:

18/6(largest factor)=3

42/6(largest factor)=7

3 0
3 years ago
Read 2 more answers
La factorización de la expresión 33x^2-34x+8 es (3x-2)(11x-4)
USPshnik [31]

Answer:

B i think

Step-by-step explanation:

8 0
2 years ago
Answer? ............​
Ksju [112]
X = 36
because angle 108 = 3x
3 x 36 = 108

hope it makes sense, if you have any questions let me know
3 0
2 years ago
Read 2 more answers
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