2 years ago

What is the range for the possible sizes of x? (Fill in the boxes)

Mathematics

1 answer:

DedPeter [7]2 years ago

3 0

Answer:

1.6 and 9.6

Step-by-step explanation:

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Which angle?

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Perpendicular

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Simplify (5x3y) (2xy4)

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Nina has some nickels and 9 pennies in her pocket. Her friend, Maurice has twice as many nickels as Nina. Together these coins a

algol13

So Maurice would have 2N nickels

Total number of coins is N + 2N + 9 = 3N + 9

Each nickel is 5 pennies

3N of nickels = 15N pennies

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Their worth is 84 cents

15N + 9 = 84

15N = 75

N = 75/15 = 5

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4 years ago

If sin Θ = 2 over 3 and tan Θ < 0 , what is the value of cos Θ?

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$\sin \theta = \dfrac 2 3$

$\tan \theta < 0$

Positive sine, negative tangent, means we have a negative cosine. We're talking about the second quadrant.

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$\cos^2 \theta = 1 - \sin ^2\theta$

$\cos \theta = \pm \sqrt{1 - \sin ^2\theta}$

We know it's negative,

$\cos \theta = - \sqrt{1 - (2/3)^2} =-\sqrt{5/9} = - \dfrac 1 3 \sqrt{5}$

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3 years ago

What a pear weigh 200 kilograms are 200 grams

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200,000 milligrams is the correct answer

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4 years ago

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