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2 years ago

Please help guys I am SUPER confused with this.

Mathematics

2 answers:

exis [7]2 years ago

6 0

Answer:

It's 180 Rotation Or REFLECTION

Step-by-step explanation:

creativ13 [48]2 years ago

5 0

Answer: ah amigo no se lo que necesites ayuda con ..

Step-by-step explanation:

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Please help i beg i never get these right

Anuta_ua [19.1K]

Answer:

$\sin(105) = \frac{\sqrt 2 + \sqrt 6}{4}$

Step-by-step explanation:

Given

$\sin(105^o)$

Required

Solve

Using sine rule, we have:

$\sin(A + B) = \sin(A)\cos(B) + \sin(B)\cos(A)$

This gives:

$\sin(105^o) = \sin(60 + 45)$

So, we have:

$\sin(60 + 45) = \sin(60)\cos(45) + \sin(45)\cos(60)$

In radical forms, we have:

$\sin(60 + 45) = \frac{\sqrt 3}{2} * \frac{\sqrt 2}{2} + \frac{\sqrt 2}{2} * \frac{1}{2}$

$\sin(60 + 45) = \frac{\sqrt 6}{4} + \frac{\sqrt 2}{4}$

Take LCM

$\sin(60 + 45) = \frac{\sqrt 6 + \sqrt 2}{4}$

Rewrite as:

$\sin(60 + 45) = \frac{\sqrt 2 + \sqrt 6}{4}$

Hence:

$\sin(105) = \frac{\sqrt 2 + \sqrt 6}{4}$

3 0

2 years ago

If g(t) = 2(t)-6, find g(10)

ElenaW [278]

All good. Fill in t with 10 and solve for the expression g(t). 10 = t so it fill in

4 0

3 years ago

What is 578 x 6,937, please

kati45 [8]

<span>400,958,6 Hope this helps!</span>

7 0

3 years ago

Read 2 more answers

Joey decides to empty his piggy bank and count his money. His bank is filled with only nickels and dimes. Joey counted a total o

xxTIMURxx [149]

Answer:

Joey has 18 nickles and 27 dimes in his piggy bank.

Step-by-step explanation:

1 nickle = 5 cents

1 dime = 10 cents

$1 = 100 cents

$3.15 = 135 cents

Let

n represent the number of nickles, n>=0

d represent the number of dimes, d>=0

Joey counted a total of 45 coins that added up to $3.15:

n + d = 45

5n + 10d = 315

n = 18 nickles

d = 27 dimes

5 0

3 years ago

The value of 9 in 495,123 is blank times the value of 9 in 63,129

mafiozo [28]

The answer is 90,000.
The value of 9 in 495,123 is 10,000 times the value of 9 in 63,129

6 0

3 years ago