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juin [17]
2 years ago
9

Sylvia bought 8 bags of stickers. Each bag costs $2.79 how much did Sylvia spend

Mathematics
1 answer:
bixtya [17]2 years ago
7 0

Answer:

Sylvia's total cost=$2.79*8

=$22.32

Step-by-step explanation:

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Geometry. Find the angle
lisabon 2012 [21]

Answer:

x = 10°; Angle A = 84°

Step-by-step explanation:

Angle A + Angle B = 180

5x + 34 + 2x + 76 = 180

7x + 110 = 180

7x = 70

x = 10

Angle A: 5(10) + 34 = 50 + 34 = 84°

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3 years ago
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For which distributions is the median the best measure of center?
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2

Step-by-step explanation:

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Please help me <br><br>If 180°&lt;α&lt;270°, cos⁡ α=−8/17, what is sin -α?
rewona [7]

Starting from the fundamental trigonometric equation, we have

\cos^2(\alpha)+\sin^2(\alpha)=1 \iff \sin(\alpha)=\pm\sqrt{1-\cos^2(\alpha)}

Since 180, we know that the angle lies in the third quadrant, where both sine and cosine are negative. So, in this specific case, we have

\sin(\alpha)=-\sqrt{1-\cos^2(\alpha)}

Plugging the numbers, we have

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Now, just recall that

\sin(-\alpha)=-\sin(\alpha)

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\sin(-\alpha)=-\sin(\alpha)=-\left(-\dfrac{15}{17}\right)=\dfrac{15}{17}

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3 years ago
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If p(a) = 1/3, p(b) = 2/5, and p(a ∪ b) = 3/5, then p(a ∩ b) =
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P(a ∪ b) = p(a) + p(b) - p(a ∩ b)
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p(a ∩ b) = 1/3 + 2/5 - 3/5
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What is 36/63 in simplest form?
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36/63 in its simplest form is 4/7

Have a great day! =)
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2 years ago
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