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goldfiish [28.3K]

3 years ago

7

Rhianna has a spinner, which is divided into four equal parts. The parts are numbered 1, 2, 3, and 4. If Rhianna spins the spinn

er and tosses a coin, which table shows all the possible outcomes?

2 answers:

Karo-lina-s [1.5K]3 years ago

8 0

Answer: C

Step-by-step explanation: I took the quiz and they said it was correct

Lina20 [59]3 years ago

6 0

Answer:

C;

Step-by-step explanation:

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Juanita is buying a cover for her motorcycle which has a length of 7.5 feet if the covers are only sold in whole foot increments

77julia77 [94]

Answer:

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Step-by-step explanation:

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2 years ago

Help please. Yusuf used the equation cos⁡ 80°=2 cos² 40°−1 to find cos⁡ 80°. Which trigonometric identity did Yusuf use?

Rudiy27

Answer:

double-angle identity for cosine difference

Step-by-step explanation:

we know that

The Cosine of a Double Angle Formula is equal to

$cos(2A)=2cos^2(A) -1$

Let

$A=40^o$

substitute

$cos(2(40^o))=2cos^2(40^o) -1$

$cos(80^o)=2cos^2(40^o) -1$

therefore

Yusuf used the double-angle identity for cosine difference

3 0

3 years ago