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katen-ka-za [31]
3 years ago
6

What is the arc length of an angle of 7pi/6 radians formed on the unit circle?

Mathematics
1 answer:
Lisa [10]3 years ago
6 0

Answer:

C

Step-by-step explanation:

arc length = radius * angle(in radians)

arc length = 1*7pi/6

arc length =7pi/6

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Which number is rational? 2 square root, pi ,10 square root ,16 squeare root
ki77a [65]

Answer:

Square root of 16 is rational beacuse Square root of 16=4 Whlie the others are Irational.

Step-by-step explanation:

7 0
3 years ago
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I need help with this question
Fofino [41]

Answer:

i think its last one but im not so sure

6 0
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Each​ month, a shopkeeper spends 7x+19 dollars on rent and electricity. If he spends 5x−2 dollars on​ rent, how much does he spe
insens350 [35]

The shopkeeper spends 2x + 21 dollars on electricity

The amount the shopkeeper spends on electricity less than​ $100 is:

x < 39.5

<h3>What is a linear inequality?</h3>

Linear inequality explains the range of values that a variable represents.

Total amount spent by the shopkeeper = 7x + 19

Amount spent on rent = 5x - 2

Total amount spent = Amount spent on rent + Amount spent on electricity

(7x + 19)   =  (5x - 2 )  + Amount spent on electricity

Amount spent on electricity = (7x + 19) - (5x - 2)

Amount spent on electricity = 7x - 5x + 19 + 2

Amount spent on electricity = 2x + 21

For which​ value(s) of x is the amount the shopkeeper spends on electricity less than​ $100?

Amount spent on electricity  <  100

2x  +  21  <  100

2x  <  100  -  21

2x  <  79

x  <  79/2

x  <  39.5

Learn more on linear inequalities here: brainly.com/question/11613554

6 0
2 years ago
Hey! i’ll give brainliest please help!
Mice21 [21]

Answer:

third in line

Step-by-step explanation:

hope this helps

5 0
3 years ago
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LOTS OF POINTS <br> Simplify the expression by factoring, showing the steps in your work
julia-pushkina [17]

Answer:

\frac{3x+7}{4x+1}

Step-by-step explanation:

\frac{12x^2+31x+7}{16x^2+8x+1}

First you factor 12x^2+31x+7:

=\left(12x^2+3x\right)+\left(28x+7\right)

Then you factor out 3x from 12x^2+3x:

12x^2+3x

=12xx+3x

=3\cdot \:4xx+3x

=3x\left(4x+1\right)

Then you factor out 7 from 28x+7:

28x+7

=7\cdot \:4x+7

=7\left(4x+1\right)

=3x\left(4x+1\right)+7\left(4x+1\right)

Factor out common term 4x+1:

=\left(4x+1\right)\left(3x+7\right)

\frac{\left(4x+1\right)\left(3x+7\right)}{16x^2+8x+1}

Factor 16x^2+8x+1:

=4^2x^2+8x+1

=4^2x^2+8x+1^2

=\left(4x\right)^2+8x+1^2

=\left(4x\right)^2+2\cdot \:4x\cdot \:1+1^2

Use the perfect square formula:

=\left(4x+1\right)^2

\frac{\left(4x+1\right)\left(3x+7\right)}{\left(4x+1\right)^2}

Cancel out common factor 4x+1:

=\frac{3x+7}{4x+1}

8 0
3 years ago
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