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3 years ago

Find the length of the arc

Mathematics

1 answer:

pickupchik [31]3 years ago

5 0

Answer:

23.6 or 1 4 × π × 8 = 2 π if its not right let me know

Step-by-step explanation:

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Solve the equation 6w2 – 7w – 20 = 0.

azamat

For this case we have the following quadratic equation:

$6w ^ 2-7w-20 = 0$

Where:

$a = 6\\b = -7\\c = -20$

Its roots will be given by:

$w = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2 (a)}\\w = \frac {- (- 7) \pm \sqrt {(- 7) ^ 2-4 (6) (- 20)}} {2 (6)}\\w = \frac {7 \pm \sqrt {49 + 480}} {12}\\w = \frac {7 \pm \sqrt {529}} {12}\\w = \frac {7 \pm23} {12}$

The roots are:

$w_ {1} = \frac {7 + 23} {12} = \frac {30} {12} = \frac {15} {6} = \frac {5} {2}\\w_ {2} = \frac {7-23} {12} = \frac {-16} {12} = - \frac {8} {6} = - \frac {4} {3}$

Answer:

$w_ {1} = \frac {5} {2}\\w_ {2} = - \frac {4} {3}$

7 0

3 years ago

Read 2 more answers

Yolanda has finished 45 percent of her homework and she has finished 27 problems. How many problems was Yolanda assigned

masya89 [10]

If 45 percent of the homework is only 27 problems, she needs to figure out this:

What is 47 percent of 60?
or
47% x 60

Which is 27.

So, Yolanda was assigned 60 problems.

6 0

3 years ago

Answerr plsssssssssss

Serga [27]

Answer:B

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Mi primo llego de estados unidos y me regalo 24 dolares si el dolar esta a 14.65,?cuantos equivale aproximadamente en pesos es c

Norma-Jean [14]

Yo hablo un poco español, pero el solucion esta b) 351.6 pesos. 24x14.65 = 351.6

4 0

3 years ago

Need help on a systems of equations word problem

lapo4ka [179]

Answer:

brazil: 12.8 portugal: 14.769230769230769 (you need to round it)

Step-by-step explanation:

just divide.

8 0

3 years ago