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rjkz [21]
3 years ago
9

In cos(0.3), what unit would 0.3 be? Is it radians? Also if you were to solve it, would the answer be in radians as well? Please

explain.
Mathematics
2 answers:
neonofarm [45]3 years ago
7 0

Answer:

22

Step-by-step explanation:

Ivan3 years ago
6 0

Answer:

Depends on what math you are doing

Step-by-step explanation:

I believe in Trig you use radians while in Geometry you use degrees.

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What would y equal if you substituted 2 in y+2x=3
Ivahew [28]

Answer:

-1

Step-by-step explanation:

Given the equation:

y+2x=3

Substitute x=2 into this equation:

y+2\cdot 2=3\\ \\y+4=3

Subtract 4:

y+4-4=3-4\\ \\y=-1

8 0
3 years ago
How long would it take to double your principal in an account that pays 6.5% annual interest compounded continuously? round your
prisoha [69]
It would take 10.7 years.

The formula for continuously compounded interest is:
A=Pe^{rt}
where P is the principal, r is the interest rate as a decimal number, and t is the number of years.

Using our information we have:
A=Pe^{0.065t}

We want to know when it will double the principal; therefore we substitute 2P for A and solve for t:
2P=Pe^{0.065t}

Divide both sides by P:
\frac{2P}{P}=\frac{Pe^{0.065t}}{P}
\\
\\2=e^{0.065t}

Take the natural log, ln, of each side to "undo" e:
\ln{2}=\ln{e^{0.065t}}
\\
\\0.6931471806=0.065t

Divide both sides by 0.065:
\frac{0.6931471806}{0.065}=\frac{0.065t}{0.065}
\\
\\10.7\approx t
8 0
3 years ago
Read 2 more answers
A survey found that 12 out of 30 people preferred bacon over sausage. According to this survey, what percent of people prefer ba
postnew [5]

Given

A survey found that 12 out of 30 people preferred bacon over sausage.

Find out the  what percent of people prefer bacon over sausage.

To proof

As given in the question

survey found that 12 out of 30 people preferred bacon over sausage.

Total number of people = 30

people preferred bacon over sausage = 12

Formula

Percentage =\frac{Part}{Total} \times 100

put the value in the formula

Percentage\ of\ prefer\ bacon\ over\ sausage = \frac{12}{30} \times 100

solve the above

percent of people prefer bacon over sausage = 40 %

Hence proved


3 0
3 years ago
15 + 45 = 5( blank + 9)
Tatiana [17]

Answer:

Step-by-step explanation:

15 + 45 = 5( _ + 9)

60 = 5 ( 3 + 9)

60 = 5(12)

60 = 60

5 0
3 years ago
Read 2 more answers
A dress that normally sells for $72 is on sale for$45.what is the percent decrease in the price
Gre4nikov [31]

Answer:

37.5 %

Step-by-step explanation:

decrease in price=72-45=27

% decrease=27/72 ×100=75/2=37.5

3 0
3 years ago
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