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Mariana [72]
3 years ago
7

The point D(-4, 4) is reflected over the x-axis. What are the

Mathematics
1 answer:
madreJ [45]3 years ago
8 0
It’s would be B because the formula or reflection is y-axis is (-x,y) and x-axis (x,-y)
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I really need help pleaseee on the ones I got wrong
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Answer:

7. 2|x+2|-1

8. (-2,-1)

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Step-by-step explanation:

7. a|x-h|+k

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4 years ago
Suppose cos(a)=.325
tatyana61 [14]

The value of tan a is 2.9098

Explanation:

The given value is \cos (a)=0.325

Now, we shall find the value of sin (a), using the identity,

\sin ^2(a)+\cos^2(a)=1

Substituting the value of cos (a), we get,

\sin ^2(a)+(0.325)^2=1\\\sin ^2(a)+0.1056=1

Subtracting both sides by 0.1056, we have,

\sin ^2(a)=0.8944

Taking square root on both sides, we get,

sin a= 0.9457

Now, we shall substitute the value of sin (a) and cos (a) to determine the value of tan (a) in the identity tan (a) =\frac{sin(a)}{cos(a)}

tan (a) =\frac{0.9457}{0.325}\\tan (a) = 2.9098

Thus, the value of tan (a) is 2.9098

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3 years ago
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Factor both the numerator and the denominator before attempting to divide /reduce/ simplify. 
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