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neonofarm [45]
3 years ago
9

Help plz. I think the starting number is 100% Buu I don't know.

Mathematics
1 answer:
zavuch27 [327]3 years ago
4 0

Answer:

19%

Step-by-step explanation:

if the starting number is 100 then 100 decreased by 10% is 100 times 0.9 =90

and decrease 10% again is 81 and in total decrease by 19%

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What percent of 9.2 is 42.7?
ladessa [460]
The answer to the equation is 30%
7 0
3 years ago
ECTIONS: Write an expression that represents the situation.
KatRina [158]

an expression that determine the total cost of gym membership for any number of months is 10+19.99(x)

Given that:

cost per month = $19.99

Starting fee = $10

Months = x

So the expression for 1 person will be:

10+ 19.99(x)

thus an expression that determine the total cost of gym membership for any number of months is 10+19.99(x)

learn about expression here brainly.com/question/13902366

#SPJ9

8 0
2 years ago
I think the answer is 74088 I’m not sure pls help!!
zepelin [54]

Answer:

yes you are correct

Step-by-step explanation:

6 times 6 times 6 times 7 times 7 times 7 is 74088

8 0
3 years ago
Find sin(x/2), cos (x/2), and tan(x/2) from the given information.
zhannawk [14.2K]

Step-by-step explanation:

sin(x/2) = sqrt((1 - cos(x))/2)

cos(x/2) = sqrt((1 + cos(x))/2)

tan(x/2) = sin(x/2)/cos(x/2)

sin(x) = 15/17

so, we can assume the Hypotenuse of the right-angled triangle is 17, the vertical leg is 15.

via Pythagoras we get the 3rd, horizontal side :

17² = 15² + side²

289 = 225 + side²

64 = side²

side = 8

cos(x) = 8/17

sin(x/2) = sqrt((1 - 8/17)/2) = sqrt(9/34) = 3/sqrt(34) =

= 0.514495755...

cos(x/2) = sqrt((1 + 8/17)/2) = sqrt(25/34) = 5/sqrt(34) =

= 0.857492926...

tan(x/2) = 3/sqrt(34) / 5/sqrt(34) = 3/sqrt(34) × sqrt(34)/5 =

= 3/5 = 0.6

6 0
2 years ago
Here is a list of numbers.
AysviL [449]
A) median is 6
put numbers in ascending order
3, 5, 5, 7, 9, 10
take 5 and 7, add them together and divide by two
7+5
——
2

= 6

that’s one part
6 0
3 years ago
Read 2 more answers
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