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FromTheMoon [43]
3 years ago
8

Need answers ASAP please and thank you

Mathematics
1 answer:
Anon25 [30]3 years ago
4 0

Answer:

option C

Step-by-step explanation:

Here, we want the first best step

looking at the expression, we can see that if we divided both sides by -2, we will have to answer a regular

Thus, by dividing both sides by -2, then we have the answer

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Someone to work out this sum in factorisation = 28-21w+14
Arisa [49]
14-21w i believed based on my learning
6 0
3 years ago
The number of potato chips in a bag is normally distributed with a mean of 74 and a standard deviation of 4. Approximately what
tangare [24]

Answer:  99.7 % of the bags contain between 62 and 86 potato chips.

Step-by-step explanation:

The standard deviation given is 4.

Find the difference between the given numbers and the mean,

74-62= 12 .  86-74=12

then  divide 12 by 4 to find the number of standard deviations:  12/4=3

Check a chart or diagram of the Gaussian Distribution to find that 99.7% of the samples lie within 3 standard deviations from the mean.

4 0
3 years ago
Part 1. Please show work. Please assist me with these math problems. ​
Vitek1552 [10]

Answer: 1) 2, 3, 4, 9, 32, 279, 8896, 2481705, 22077238784

              2) 2,490,924

              3) Neither

<u>Step-by-step explanation:</u>

S_n=S_{n-2}\cdot (S_{n-1}-1)\quad \\\\S_1=2\quad given\\S_2=3\quad given\\S_3=S_1(S_2-1)\quad =2(3-1)\quad =4\\S_4=S_2(S_3-1)\quad =3(4-1)\quad =9\\S_5=S_3(S_4-1)\quad =4(9-1)\quad =32\\S_6=S_4(S_5-1)\quad =9(32-1)\quad =279\\S_7=S_5(S_6-1)\quad =32(279-1)\quad =8,896\\S_8=S_6(S_7-1)\quad =279(8896-1)\quad =2,481,705\\S_9=S_7(S_8-1)\quad =8896(2481705-1)\quad =22,077,238,784

\sum^8_{k=1}S_k\\\\=S_1+S_2+S_3+S_4+S_5+S_6+S_7+S_8\\\\= 2,490,924\\

Neither

Not arithmetic because the difference between each of the terms is not the same.            

                        S₂ - S₁          S₃ - S₂           S₄ - S₃      

                      3 - 2 = 1       4 - 3 = 1          9 - 4 = 5

Not geometric because the ratios between each of the terms is not the same.                

                       \dfrac{S_2}{S_1}=\dfrac{S_3}{S_2}\qquad \rightarrow \dfrac{3}{2}=\dfrac{4}{3}\qquad \rightarrow \text{cross multiply to get}: 9\neq 8

8 0
3 years ago
(05.05)The width of a rectangle is shown below:
Ket [755]

Answer:

no idea sorry!!

Step-by-step explanation:

i think its the third but not sure

4 0
3 years ago
Help fast
NemiM [27]

Answer:

h = 3V / lw <===ANSWER

Step-by-step explanation:

V = 1/3 lwh (multiply both sides by 3)

3V = lwh (divide both sides by lw)

3V / lw = h

7 0
3 years ago
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