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2 years ago

HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPP

Mathematics

1 answer:

andrew11 [14]2 years ago

3 0

Ummm not to freak you out but what’s that in the background?

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suppose sin(A)=2/5. Use the trig identity sin^2(A)+cos^2(A)=1 to find cos(A) in quadrant 1. Round to ten-thousandth.

shutvik [7]

Answer:

about0.9165

Step-by-step explanation:

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2 years ago

Which point represents an approximate solution to this system of equations?

joja [24]

The answer is D. (2.9,-22.8)

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2 years ago

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What is the scale factor?

kkurt [141]

35/42 =5/6

so the answer is 5/6.

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2 years ago

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Maksim231197 [3]

Answer:

Step-by-step explanation:

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2 years ago

Solve the following inequality algebraically. ∣x−5∣≤11

Igoryamba

Answer:

$-6\leq x\leq 16$

Step-by-step explanation:

So we have the inequality:

$|x-5|\leq 11$

Definition of Absolute Value:

$x-5\leq 11\text{ or } x-5\geq -11$

Note that the sign is flipped in the second case because we multiplied by a negative.

Add 5 to both sides to both equations:

$x\leq 16\text{ or } x\geq -6$

Merge:

$-6\leq x\leq 16$

And we're done!

4 0

2 years ago