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4 years ago

Hailey has 9 Spirit wear tops and 4 pairs of jeans. How many ways can she pair a top with a pair of jeans?

Mathematics

1 answer:

Len [333]4 years ago

4 0

Answer:

36 ways.

Step-by-step explanation:

To find the total number of ways Hailey can pair a top and a pair of jeans, we just need to multiply the number of possibilities for each item:

number of possibilities for tops: 9

number of possibilities for jeans: 4

Number of different combinations: 9 * 4 = 36

Hailey has 36 different ways of pairing a top and a pair of jeans.

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One leg of a right triangle is 7 inches longer than the smaller leg and the hypotenuse is 8 inches longer than the smaller leg.

Makovka662 [10]

Smaller leg = x
longer leg = y
hypotenuse = z

y=x+7
z=x+8

due to
${z}^{2} = {x}^{2} + {y}^{2} \\ (x + 8) ^{2} = {x}^{2} + (x + 7) ^{2} \\ {x}^{2} + 16x + 64 = {x}^{2} + {x}^{2} + 14x + 49 \\ {x}^{2} + 16x + 64 = 2 {x}^{2} + 14x + 49 \\ {x}^{2} - 2 {x}^{2} + 16x - 14x + 64 - 49 = 0 \\ - {x}^{2} + 2x + 15 = 0 \\ {x}^{2} - 2x - 15 = 0 \: \: (multiplied \: by \: - 1) \\ (x - 5)(x + 3) = 0 \\ then \: \: x = 5 \: \: or \: \: x = - 3$
but x cannot be -3
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3 0

3 years ago

The question is in the attachment.

Vesna [10]

Answer:

0.0816

Step-by-step explanation:

Given:

Total number of students = 5000
Number of students taking an online class = 1200
Number of students prefer watching baseball to football = 1700

Let O = Students taking an online class

Let B = Students prefer watching baseball to football

Therefore,

P(O) = 1200/5000 = 0.24

P(B) = 1700/5000 = 0.34

If events O and B are independent,

⇒ P(O ∩ B) = P(O) · P(B)

= 0.24 × 0.34

= 0.0816

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3 years ago

Divide x^3 -3x^2 by x-2 . Step 2 - Fill in the missing number:

PIT_PIT [208]

Answer:

⋅

−

Step-by-step explanation:

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