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3 years ago

Express the angle in radian measure. 200°

Mathematics

2 answers:

kiruha [24]3 years ago

5 0

200deg in radians is 200* pi/180= 3.49 radians hope this helps! Use this conversion for any def to radian measure.

Rom4ik [11]3 years ago

5 0

Answer:

Hey, couple years late but the correct answer to this is $\frac{10\pi }{9}$

Step-by-step explanation:

You can use a calculator but I hope this helps!

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If 43 photocopies cost $25.80, how much does one photocopy cost

juin [17]

each photocopie cost .60 cents

8 0

3 years ago

Solve for x : log(3x) + log(x + 4) = log(15).<br><br>Please explain it to me.

zlopas [31]

Answer:

x = 1

Explanation:

$\sf \rightarrow log(3x) + log(x + 4) = log(15)$

Rule: log(a) + log(b) = log(ab)

$\sf \rightarrow log(3x(x + 4)) = log(15)$

cancel out log on both sides

$\sf \rightarrow 3x(x + 4) = 15$

relocate constant variable

$\sf \rightarrow 3x^2 + 12x -15 = 0$

take 3 as a common factor

$\sf \rightarrow 3(x^2 + 4x -5) = 0$

divide both sides by 3

$\sf \rightarrow x^2 + 4x -5 = 0$

middle term split

$\sf \rightarrow x^2 + 5x -x-5 = 0$

factor common terms

$\sf \rightarrow x(x + 5) -1(x+5)= 0$

collect into groups

$\sf \rightarrow (x-1)(x+5)= 0$

set to zero

$\sf \rightarrow x-1 = 0 , \ x+5= 0$

relocate variables

$\sf \rightarrow x = 1, \ x = -5$

There must be a positive solution for log, so the solution is only x = 1

3 0

2 years ago

Read 2 more answers

Logx - logx-1^2=2log(x-1)

myrzilka [38]

Answer:

x is approximately 2.220744

Step-by-step explanation:

This can be simplified a little using properties of logarithms, and then solve it by graphing:

$log(x)-log(x-1)^2=2\,log(x-1)\\log(x)-2\,log(x-1)=2\,log(x-1)\\log(x)=4\,log(x-1)$

So we use a graphing tool to find the intersection point of the graph of $log(x)$ , and the graph of $4\,log(x-1)$

Please see attached image for the graph and solution.

The value of x is approximately 2.220744

8 0

3 years ago

Read 2 more answers

Distributive property of<br> 36+ 9y

vaieri [72.5K]

Find the greatest common factor (GCF)
in this case it would be 9

divide each term by the GCF
36 / 9 = 4
9y / 9 = y

put the two "new" terms in parenthesis and the GCF in front of it
9 (4 + y)
it could also be 9 (y + 4) because of Commutative Property of Addition

6 0

3 years ago

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What is the perimeter of the rectangle shown on the coordinate plane, to the nearest tenth of a unit?

krok68 [10]

Answer:

The answer is 30.6 Units.

Step-by-step explanation:

~10+~5+~10+~5=~30.6

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3 years ago