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Lorico [155]
3 years ago
13

PLSSS HELP!!! 35 POINTS!!!What is the sum of the geometric series 4 ∑ 3(3/4)i

Mathematics
2 answers:
Ket [755]3 years ago
8 0
525/64 hope this helps
neonofarm [45]3 years ago
4 0

Answer: PLEASE DISREGARD ANSWER ABOVE!!!!!!

Correct answer is 2,343/256

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Adele ya tiene 2 pegatinas y obtendrá 21 pegatinas adicionales de cada paquete de pegatinas que compre. ¿Cuántos paquetes de peg
Zolol [24]

Answer:

Step-by-step explanation:

Tienen 15 hojas de pegatinas en total.

3 0
3 years ago
1/3 x4 need help asap​
Leviafan [203]

Answer:

4/3 or 1 1/3

Step-by-step explanation:

7 0
3 years ago
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Round the number 13.734 to the nearest whole<br>number (positive integer).​
loris [4]
Answer: 14
The number to the right of the decimal point is either 5 or greater than that, so the 13 is increased by 1 which results in 14.
3 0
3 years ago
Suppose that each observation in a random sample of 100 fatal bicycle accidents in 2015 was classified according to the day of t
liraira [26]

Answer:

The calculated χ² =  0.57   does not fall in the critical region χ² ≥  12.59  so we fail to reject the null hypothesis and conclude the proportion of fatal bicycle accidents in 2015 was the same for all days of the week.

Step-by-step explanation:

1) We set up our null and alternative hypothesis as

H0:  proportion of fatal bicycle accidents in 2015 was the same for all days of the week

against the claim

Ha:  proportion of fatal bicycle accidents in 2015 was not the same for all days of the week

2) the significance level alpha is set at 0.05

3) the test statistic under H0 is

χ²= ∑ (ni - npi)²/ npi

which has an approximate chi square distribution with ( n-1)=7-1=  6 d.f

4) The critical region is χ² ≥ χ² (0.05)6 = 12.59

5) Calculations:

χ²= ∑ (16- 14.28)²/14.28 + (12- 14.28)²/14.28 + (12- 14.28)²/14.28 + (13- 14.28)²/14.28 + (14- 14.28)²/14.28 + (15- 14.28)²/14.28 + (18- 14.28)²/14.28

χ²= 1/14.28 [ 2.938+ 5.1984 +5.1984+1.6384+0.0784 +1.6384+13.84]

χ²= 1/14.28[8.1364]

χ²= 0.569= 0.57

6) Conclusion:

The calculated χ² =  0.57   does not fall in the critical region χ² ≥  12.59  so we fail to reject the null hypothesis and conclude the proportion of fatal bicycle accidents in 2015 was the same for all days of the week.

b.<u> It is r</u>easonable to conclude that the proportion of fatal bicycle accidents in 2015 was the same for all days of the week

6 0
3 years ago
If f(x) = –3x – 5 and g(x) = 4x – 2, find (f – g)(x).
Vikki [24]

Answer:

(f-g)(x)=-7x-3

Step-by-step explanation:

4 0
3 years ago
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