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Law Incorporation [45]
3 years ago
9

Helena is in charge of selling tickets for the upcoming

Mathematics
2 answers:
iogann1982 [59]3 years ago
5 0

Answer:

16

Step-by-step explanation:

If you add them all up you get 80. Then you divide it by 5 since there is 5 terms. 80/5 = 16

Rus_ich [418]3 years ago
5 0

Answer:

16.0 and 22.5

Step-by-step explanation:

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give the most general solutions to equations. . 2sinxcosx-sin(2x)cos(2x)=0. . A. simplify the first expression using double angl
Zinaida [17]
2sinxcosx - sin(2x)cos(2x) = 0 

<span>Part I </span>
<span>The double angle identity for sine states that sin(2x) = 2sinxcosx </span>
<span>Thus we get: </span>
<span>sin(2x) - sin(2x)cos(2x) = 0 </span>

<span>Part II </span>
<span>sin(2x)(1 - cos(2x)) = 0 </span>

<span>Part III </span>
<span>Either sin(2x) = 0 or </span>
<span>1 - cos(2x) = 0 </span>
<span>=> cos(2x) = 1 </span>

<span>For sin(2x) = 0, this is true for </span>
<span>2x = n(pi) where n = 0, 1, 2, .... </span>
<span>x = n(pi/2) </span>

<span>For cos(2x) = 1, this is true for </span>
<span>2x = n(pi) where n = 0, 2, 4, .... </span>
<span>x = n(pi/2)
</span>

I hope my answer has come to your help. Thank you for posting your question here in Brainly.
5 0
3 years ago
PLEASE HELP!! I'm stuck on this
Kamila [148]
T=0=>initial
s (0)=4.5=9/2
=>s(t)=-16t^2+64+9/2
use s(-b/2a) to find height
it will take -b/2a seconds to reach that height
n I tell a,b coefficients of some
Follow for Solutions.
4 0
3 years ago
Mr. Anderson drove 168 miles in 3 1/2 hours. He then drove the next 2 1/4 hours at a rate of 5 miles per hour faster than the fi
BlackZzzverrR [31]
First we need to know how many miles per hour they drove the first time. This would be found by division. 168/3.5=48
Then we need to add 5 miles per hour for the average.48+5= 53
Next we need to multiply 2 1/4 by the new miles per hour 53*2.25=119.25
After that we need to know how many miles they drove 119.25+168=287.25 miles.
Finally to get an improper fraction we need to change 287.25 miles to it.
We already have 1/4 for .25 so we multiply 287 by 4 and add it to the 1/4 we already have and it makes it out to be 1149/4

Hope this helps!
8 0
3 years ago
Jena walk 6 miles karla walk 3 times as far as jena which expression shows how many karla walk
marta [7]

Answer:

y = 3x

y = 18

Step-by-step explanation:

Let :

Distance walked by Jena = x

Distance walked by Karla = y

x = 6

y = 3x ;

y = 3(6)

y = 18 miles

4 0
3 years ago
There are 20 dowels. All bevels are dowels. All dowels are swivels. There are 12 bevels. There are 30 swivels. How many swivels
Zina [86]

Answer:

10 swivels are neither bevels or dowels

Step-by-step explanation:

See the attached for explanation

7 0
3 years ago
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