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tamaranim1 [39]
3 years ago
13

HELPPPPPPP PLEEASSSSEEE

Mathematics
2 answers:
nirvana33 [79]3 years ago
6 0

Answer:

A would be at (-2,5) if reflected across the y axis

Brums [2.3K]3 years ago
3 0

Answer:

(-2,5)

Step-by-step explanation:

Reflecting a point across the y axis mirrors it.

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7th grade math help me plzzzzzzz
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Answer:

1. -60

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Step-by-step explanation:

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The mean number of hours of study time per week for a sample of 562 students is 23. If the margin of error for the population me
Vadim26 [7]

Answer:

The 98% confidence interval for the mean number of hours of study time per week for all students is (20.9, 25.1).

Step-by-step explanation:

Confidence interval:

Sample mean plus/minus the margin of error.

In this question:

Mean of 23.

Margin of error 2.1.

Then

23 - 2.1 = 20.9

23 + 2.1 = 25.1

The 98% confidence interval for the mean number of hours of study time per week for all students is (20.9, 25.1).

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2 years ago
F(a)=a^2=4a;find f(-2)
Tanzania [10]

Answer:

1

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3 years ago
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Soloha48 [4]

Answer:

→x=√3

Step-by-step explanation:

tan^{-1} x+2cot^{-1} x=\frac{2\pi }{3} \\\\tan^{-1} x+2(\frac{\pi }{2}-tan^{-1} x)= \frac{2\pi }{3} \\\\-tan^{-1} x=\frac{2\pi }{3}-\pi \\\\-tan^{-1} x=-\frac{\pi }{3} \\\\tan^{-1} x=\frac{\pi }{3} \\\\x=tan\frac{\pi }{3} \\\\x=\sqrt{3}

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What is the equation of the line?
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