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Setler79 [48]
4 years ago
10

Solve the equation 2sin(x)+1

Mathematics
1 answer:
ale4655 [162]4 years ago
6 0

\sin(x)  =  -  \frac{1}{2}  \\ thus \: x = {210}^{o}  \: or \:  {330}^{o}

Hope this would help you .

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A spring is hanging from a ceiling. The length L(t) (in cm) of the spring as a function of time t (in seconds) can be modeled by
Zanzabum

Answer:

  L(t) = 5·sin(πt) +7

Step-by-step explanation:

The middle of the oscillation of the given function occurs when t=0. At that point, ...

  L(0) = d = 7

The next maximum of the oscillation occurs when the argument of the sine function is π/2.

  b·t = π/2

  b = π/(2t) = π/(2·0.5) = π

At that maximum, the length is 12, so we have ...

  L(0.5) = a·sin(0.5π) +7 = 12

  a = 5

The function L(t) is ...

  L(t) = 5·sin(πt) +7

6 0
3 years ago
CAN SOMEONE HELP PLZZZZ ALGEBRA
alekssr [168]

Answer:

Step-by-step explanation:

The remainder theorem says that when you put the integer part of the binomial for the value of x in f(x),  you can solve for the remainder.

f(x) = x^3 - 4x + k is divided by (x - 5) means that 5 is put into f(x)

f(5) = x^3 - 4x + k  now put 5 into x on the right

f(5) = 5^3 - 4(5) + k

f(5) = 125 - 20 + k = 91

f(5) = 105 + k = 91

105 + k = 91                Subtract 105 from both sides

k = 91 - 105

k = -14

7 0
3 years ago
Read 2 more answers
Four students were discussing how to find the unit rate for a proportional relationship. Which method is valid?
BigorU [14]

Answer:

A

Step-by-step explanation:

Look at the graph of the relationship. Find the y-value of the point that corresponds to x = 1. That value is the unit rate

7 0
3 years ago
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Sex ratio is defined as the number of females per 1000 males in the population. Find the sex ratio if there are 3732 females per
Kazeer [188]

Answer:

933

Step-by-step explanation:

female : male

x : 1000

x : 4000

1000 x 4 = 4000

3732 : 4000

3732 ÷ 4 = 933

8 0
3 years ago
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Help please.
kompoz [17]
The domain will be the numbers you can use for x and not get a undefined thing like division by 0 or square root of a negative number


(f*g)(x)=f(x) times g(x)=(3x+2) times (7x+6)=(3x+2)(7x+6)=21x^2+14x+18x+12=21x^2+32x+12

the domain is all real numbers because we can't find any values of x that make a division by 0 or square root of a negative

answer is C
3 0
3 years ago
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