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ss7ja [257]
3 years ago
15

A Survey says that 300 people want tea water or coffee, 10 people for tea, 34 people for coffee and 6 for water, predict the num

ber of people who will drink coffee
Mathematics
1 answer:
seropon [69]3 years ago
8 0

Answer: 204

Step by step equation: Adding all those number would be 50 and 50 is 1/6 of 300, multiplying each number by 6 would be the proportion for 300 people

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Blake and three friends meet for lunch. His friends all get the same thing, but Blake gets a different lunch that cost $6. Write
sladkih [1.3K]

Answer:

Step-by-step explanation:

Friends lunch=8+8+8=$32

Blake's lunch=$6

32+6=$40 total

6 0
3 years ago
6 times the sum of a number and 5 is 16
Taya2010 [7]
6(n+5)=16
Solve for n to get your answer
7 0
3 years ago
Write an equation of a polynomial with the given characteristics: a quadratic function has x -intercepts of -3 and 1, and a y-in
fredd [130]

Answer:

f(x) = -3(x+3)(x-1)

Step-by-step explanation:

x = -3 & 1; f(x) = 9

f(x) = a(x-r1)(x-r2)

f(0) = a(x-r1)(x-r2) = 9; 9 = a(0-(-3))(0-1)

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a = -3

f(x) = -3(x+3)(x-1)

5 0
3 years ago
Read 2 more answers
Suppose you invest $1,600 at an annual interest rate of 4.6% compounded continuously how much will you have in the account after
DanielleElmas [232]
Total = Principal * e^(rate*years)
where "e" is the mathematical constant 2.71828182828459
Total = 1,600 * e(.046*4)
Total = 1,600 * 2.71828182828459^(.184)
Total = 1,600 * <span> <span> <span> 1.2020158231 </span> </span> </span>
Total = <span> <span> <span> 1,923.23</span></span> </span>

Source:
http://www.1728.org/rate2.htm





8 0
3 years ago
Questions. multiple choicw
jeyben [28]
11. 8 * 18 = 144 in³, Option D

12. Half the height of 8 cm is 4 cm. Volume = 4 * 6 * 10 = 240 cm³, Option D

13. Double the dimensions you get 8 cm for the height, 6 cm for the radius. Then plug in. V = pi * (6)² * 8 >> pi * 36 * 8 = 288pi or ≈ 904.78, Option C

14. Half of all the dimensions are 1 in, 4 in, and 3 in. 1 * 4 * 3 = 12 in³, Option B

15. \frac{10}{16} =  \frac{x}{18} >> 16x = 180 >> x = 11.25 so Option B

16. Option D, 10 cm.

17. Option C, 8.5 in

18. Option B. 10.2 km

19. Option D. 0.82

20. cos 30 = b / 11.5 >> b = 11.5(cos (30)) = 9.96 m, Option C. 
6 0
3 years ago
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