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gizmo_the_mogwai [7]
2 years ago
12

in a survey if 27.5 percent of those questioned chose swimming as their favorite. If 11 people chose swimming then how many peop

le were surveyed
Mathematics
1 answer:
arlik [135]2 years ago
3 0
27.5% of x=11     x is the number of people  27.5%=.275     x=11/.275=40 people in the survey participated 
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The measure of a straight angle (2x+50) (6x+2)
fenix001 [56]

Answer:

see below

Step-by-step explanation:

If the two angles form a straight angle, their sum is 180

2x+50  + 6x+2 = 180

Combine like terms

8x +52 = 180

Subtract 52 from each side

8x+52-52 = 180-52

8x =128

divide each side by 8

8x/8 = 128/8

x =16

2x+50 = 2(16)+50 = 32+50 = 82

6x+2 = 6(16)+2 =96+2 = 98

7 0
2 years ago
A number x divided by 7 is less than or equal to -19
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Answer:

x-7 > -19  

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Step-by-step explanation:

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2 years ago
Suppose that ​$17,183 is invested at an interest rate of 5.4​% per​ year, compounded continuously. ​a) Find the exponential func
Pavlova-9 [17]

Answer:

Total = Principal * e ^ (rate * years)

Total = 17,183 * 2.718281828459 ^ (.054 * years)

After 1 year = 18,136.39

After 2 years = 19,142.68

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After 10 years = 29,486.15

We'll use this formula to find the doubling time:

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we'll use 200 for total and 100 for principal

Years = ln (200 / 100) / rate

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Years = 0.69314718056 / .054

Years = 12.8360588993  Years Doubling Time

Step-by-step explanation:

8 0
3 years ago
What equation results from completing the square and then factoring?<br> x2 + 10x = 15
Stells [14]
12x=15
Divide by 12
X=5/4
6 0
3 years ago
Read 2 more answers
Fiona was playing a game. She started on space #8. The cards told her to move forward 12 spaces, back 10 spaces, back 1 space an
solong [7]

Answer:

B. Space 14

Step-by-step explanation:

8 + 12 = 20

20 - 10 = 10

10 - 1 = 9

9 + 5 = 14

So the answer is Space 14.

3 0
2 years ago
Read 2 more answers
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