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Alona [7]
3 years ago
6

Geckos and iguanas are both lizards. The length of an average gecko is about three quarters of the length of an average iguana.

Geckos are about 15 in. long. What is the length of an average iguana?
Mathematics
2 answers:
GREYUIT [131]3 years ago
5 0

Answer:

20in

Step-by-step explanation:

The lenght of am average iguana is 20 in.

andre [41]3 years ago
4 0
20 in. Because if you divide it by three then multiply it by four you get your answer.
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Step-by-step explanation:

5 0
3 years ago
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I just need no. a please help me to prove this. ​
OleMash [197]

Answer:  see proof below

<u>Step-by-step explanation:</u>

Given: A + B + C = π    and         cos A = cos B · cos C

scratchwork:

  A + B + C = π

               A = π - (B + C)

         cos A = cos [π - (B + C)]                              Apply cos

                    = - cos (B + C)                                    Simplify

                    = -(cos B · cos C - sin B · sin C)          Sum Identity

                    = sin B · sin C - cos B · cos C               Simplify

cos B · cos C = sin B · sin C - cos B · cos C               Substitution

2cos B · cos C = sin B · sin C                                        Addition

                     2=\dfrac{\sin B\cdot \sin C}{\cos B \cdot \cos C}                                     Division

                     2 = tan B · tan C

\text{Use the Sum Identity:}\quad \tan(B+C)=\dfrac{\tan B+\tan C}{1-\tan B\cdot \tan C}

<u>Proof LHS → RHS</u>

Given:                              A + B + C = π

Subtraction:                     A = π - (B + C)

Apply tan:                  tan A = tan(π - (B + C))

Simplify:                               = - tan (B + C)

\text{Sum Identity:}\qquad \qquad \qquad =-\bigg(\dfrac{\tan B+\tan C}{1-\tan B\cdot \tan C}\bigg)

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Simplify:                               = -(tan B + tan C)/-1

                                            = tan B + tan C

LHS = RHS:   tan B + tan C = tan B + tan C  \checkmark

5 0
3 years ago
Of the 800 people at the concert, 42% of them are teenagers. How many teenagers are at the concert?
vovikov84 [41]

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Step-by-step explanation:

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3 years ago
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3 0
3 years ago
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Answer:

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Final answer of 110°

7 0
2 years ago
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