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Dmitry_Shevchenko [17]
3 years ago
14

When fractions share the same number on the bottom they have a?

Mathematics
1 answer:
Snezhnost [94]3 years ago
6 0
Fractions that have the same number on the bottom have a "common denominator."
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The researcher has limited resources. He sends 9 emails from a Latino name, and 14 emails from a non-Latino name. For the Latino
deff fn [24]

Answer: 38.41 minutes

Step-by-step explanation:

The standard error for the difference in means is given by :-

SE.=\sqrt{\dfrac{\sigma_1^2}{n_1}+\dfrac{\sigma^2_2}{n_2}}

where , \sigma_1 = Standard deviation for sample 1.

n_1= Size of sample 1.

\sigma_2 = Standard deviation for sample 2.

n_2= Size of sample 2.

Let the sample of Latino name is first and non -Latino is second.

As per given , we have

\sigma_1=82

n_1=9

\sigma_2=101

n_2=14

The standard error for the difference in means will be :

SE.=\sqrt{\dfrac{(82)^2}{9}+\dfrac{(101)^2}{14}}

SE.=\sqrt{\dfrac{6724}{9}+\dfrac{10201}{14}}

SE.=\sqrt{747.111111111+728.642857143}

SE.=\sqrt{1475.75396825}=38.4155433158\approx38.41

Hence, the standard error for the difference in means =38.41 minutes

3 0
3 years ago
Can someone pls help with this question
vlabodo [156]

Answer:

Rise=2 Run=1 type of slope is positive slope is 2 y int is 1 and the equation is y=2x+1

Step-by-step explanation:

1. First you need slope, slope is y1-x1/x2-y2 so then you get 4/2 which is 2, we also know rise/run so rise is 2

2. 2/1 so run is 1

3. its positive since slope is positve

4.  y int is when x is 0 and y has value so y int is 1

5.  y=2x+1 since slope and y int  

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Neko [114]

Answer:

Right answer is B) x>-10 and x<10

8 0
3 years ago
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MakcuM [25]

Answer:

no its not fair..

Step-by-step explanation:

question: how do u have this problem and ur in college

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3 years ago
How much of the circle is shaded? write your answer as a fraction in simplest form 7/3 and 1/4​
liberstina [14]

Answer:

7/24

Step-by-step explanation:

Let

x-----> the shaded area

we know that

x+\frac{1}{3}+\frac{3}{8}=1

Because the complete circle represent the 100\%

and

4 0
3 years ago
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