3 years ago

Diate below whether the equation in the box is true or false,

Mathematics

1 answer:

inna [77]3 years ago

6 0

A is True.
B is false.
Hope this helps!

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lapo4ka [179]

Answer:

Percent, Part, whole, I am not sure the rest hope this helped though

Step-by-step explanation:

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3 years ago

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Using the figure below, select the pair(s) of supplementary angles. (HINT** they may be more than 1 correct answer)

kondor19780726 [428]

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B, D

Step-by-step explanation:

Supplementary Angles: Add up to 180 degrees

Angle abe and Angle Ebc add up to 180 degrees

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He sum of three consecutive integers is −369−369. find the three integers.

Alinara [238K]

N + (n+1) + (n+2) = -369
3n + 3 = -369
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3 years ago

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zvonat [6]

Answer:

$7.50

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8 hours = $60 (money earned from work)

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3 years ago

How do i prove 2sec^2x-2sec^2xsin^2-sin^2x-cos^2x=1

kramer

$2\sec^2x-2\sec^2x\sin^2x-\sin^2x-\cos^2x=2\sec^2x(1-\sin^2x)-(\sin^2x+\cos^2x)$

Since $\sin^2x+\cos^2x=1$ , you have

$2\sec^2x(1-\sin^2x)-(\sin^2x+\cos^2x)=2\sec^2x\cos^2x-1$

and since $\sec x=\dfrac1{\cos x}$ , you end up with $2-1=1$ .

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3 years ago