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Molodets [167]
3 years ago
13

Select the smallest fraction from the following fractions. 2/4 3/6 1/3 7/9

Mathematics
2 answers:
monitta3 years ago
4 0
I think it’s 1/3 yuh
enot [183]3 years ago
3 0

Answer:

it 1/3

Step-by-step explanation:

2/4 is just 1/2, 3/6 is also 1/2, 7/9 is over 1/2 and 1/3 is the only one less then 1/2 so it's the lowest fraction. This is not the proper way to solve it but it works and it's faster

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Is Pb -> PbSO4 reduction half reaction ?​
N76 [4]

Answer: no.

Step-by-step explanation: In reaction Pb -> PbSO4 Pb is oxidised

Losing two electrons

5 0
2 years ago
3. From the table below, find Prof. Xin expected value of lateness. (5 points) Lateness P(Lateness) On Time 4/5 1 Hour Late 1/10
wariber [46]

Answer:

The expected value of lateness \frac{7}{20} hours.

Step-by-step explanation:

The probability distribution of lateness is as follows:

  Lateness             P (Lateness)

  On Time                     4/5

1 Hour Late                  1/10

2 Hours Late                1/20

3 Hours Late                1/20​

The formula of expected value of a random variable is:

E(X)=\sum x\cdot P(X=x)

Compute the expected value of lateness as follows:

E(X)=\sum x\cdot P(X=x)

         =(0\times \frac{4}{5})+(1\times \frac{1}{10})+(2\times \frac{1}{20})+(3\times \frac{1}{20})\\\\=0+\frac{1}{10}+\frac{1}{10}+\frac{3}{20}\\\\=\frac{2+2+3}{20}\\\\=\frac{7}{20}

Thus, the expected value of lateness \frac{7}{20} hours.

8 0
3 years ago
<img src="https://tex.z-dn.net/?f=2%20%5Ctimes%20%20%2B%205%20%3D%207" id="TexFormula1" title="2 \times + 5 = 7" alt="2 \times
Lera25 [3.4K]
2x + 5 =7
Subtracting 5 from both sides
= 2x +5-5 = 7-5
=2x = 2
= x = 2/2
=x = 1
4 0
3 years ago
Read 2 more answers
Determine the sum of: −10y2+(−3y2)−4y2−(−6y2)<br><br> the 2 are squared
Bas_tet [7]
-10y^2 + (-3y^2) - 4y^2 - (-6y^2) = 
-10y^2 - 3y^2 - 4y^2 + 6y^2 =
-17y^2 + 6y^2 =
- 11y^2
4 0
3 years ago
(9 – 6i) × m = 9 – 6i<br> What is m?<br><br> 0<br><br> 1<br><br> 9 + 6i<br><br> -9 + 6i
GuDViN [60]

Answer:

1

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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