3 years ago

Reasonsssssssss.....

Mathematics

1 answer:

Hunter-Best [27]3 years ago

3 0

Answer:

In a triangle, sides opposite of congruent angles are congruent

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Tom caught a fish that weighed 2/3 pound. Kira caught a fish that weighed 7/8 pound. Whose fish weighed more?

anyanavicka [17]

Tom because his fish is 1.5 pounds and kiras fish is 1.14 pounds

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3 years ago

Pregnancy length (in days) is a normally distributed random variable with a mean of 266 days and a standard deviation of 16 days

velikii [3]

Answer:

it=552

Step-by-step explanation:

with rounding it = 550

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3 years ago

Please someone help me to prove this.

morpeh [17]

Answer: see proof below

Step-by-step explanation:

Use the Double Angle Identity: sin 2Ф = 2sinФ · cosФ

Use the Sum/Difference Identities:

sin(α + β) = sinα · cosβ + cosα · sinβ

cos(α - β) = cosα · cosβ + sinα · sinβ

Use the Unit circle to evaluate: sin45 = cos45 = √2/2

Use the Double Angle Identities: sin2Ф = 2sinФ · cosФ

Use the Pythagorean Identity: cos²Ф + sin²Ф = 1

Proof LHS → RHS

LHS: 2sin(45 + 2A) · cos(45 - 2A)

Sum/Difference: 2 (sin45·cos2A + cos45·sin2A) (cos45·cos2A + sin45·sin2A)

Unit Circle: 2[(√2/2)cos2A + (√2/2)sin2A][(√2/2)cos2A +(√2/2)·sin2A)]

Expand: 2[(1/2)cos²2A + cos2A·sin2A + (1/2)sin²2A]

Distribute: cos²2A + 2cos2A·sin2A + sin²2A

Pythagorean Identity: 1 + 2cos2A·sin2A

Double Angle: 1 + sin4A

LHS = RHS: 1 + sin4A = 1 + sin4A $\checkmark$

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3 years ago

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Check out tiger algebra you can get an answer there good luck

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4 years ago

A baker sold 120 banana muffins and 60 blueberry muffins what was the ratio of banana muffins to blueberry muffin sold and

andrew-mc [135]

Answer:

120:60 or :=to

Step-by-step explanation:

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3 years ago

Read 2 more answers