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Nadya [2.5K]
2 years ago
10

Help Which graph has x-intercepts of -3 and 4?

Mathematics
1 answer:
Tju [1.3M]2 years ago
4 0

Answer:

the last graph

Step-by-step explanation:

bcoz the curve touching -3 and 4 on x axis

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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>

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3 years ago
A giant pie is created in an attempt to break a world record for baking. The pie is shown below: A circle is shown with a centra
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Answer:

98.88 ft^2  to nearest hundredth

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Area of slice = (37/360)  *  pi * 17.5^2    ( 17.5 = radius ( half diameter of 35))

=   98.88 ft^2


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Your answer is B. x= -1
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