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iris [78.8K]
3 years ago
8

Find the distance between the points. Round to the nearest tenth. (1, 3) and (5.0)

Mathematics
2 answers:
Anna35 [415]3 years ago
5 0

Answer:

1,2. 6.0

Step-by-step explanation:

That is the answer

Marta_Voda [28]3 years ago
5 0
1,2.6.0 yahhh feeeellll meeeeeeeer
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Assume that a sample is used to estimate a population proportion p. find the margin of error e that corresponds to the given sta
Leno4ka [110]

Let p be the proportion. Let c be the given confidence level , n be the sample size.

Given: p=0.3, n=1180, c=0.99

The formula to find the Margin of error is

ME = z _{\alpha/2}  \sqrt{\frac{p*(1-p)}{n}}

Where z (α/2) is critical value of z.

P(Z < z) = α/2

where α/2 = (1- 0.99) /2 = 0.005

P(Z < z) = 0.005

So in z score table look for probability exactly or close to 0.005 . There is no exact 0.005 probability value in z score table. However there two close values 0.0051 and 0.0049 . It means our required 0.005 value lies between these two probability values.

The z score corresponding to 0.0051 is -2.57 and 0.0049 is -2.58. So the required z score will be average of -2.57 and -2.58

(-2.57) + (-2.58) = -5.15

-5.15/2 = -2.575

For computing margin of error consider positive z score value which is 2.575

The margin of error will be

ME = z _{\alpha/2}  \sqrt{\frac{p*(1-p)}{n}}

= 2.575  \sqrt{\frac{0.30*(1-0.3)}{1180}}

= 2.575 * 0.0133

ME = 0.0342

The margin of error is 0.0342

7 0
3 years ago
How to add and subtract fractions with unlike denominators and mixed numbers?
Rainbow [258]
To add and subtract fractions you must do the multiplication of the numerator of the first with the denominator of the second. Then, add or subtract the multiplication of the numerator from the second with the denominator of the first. Finally divide the result between the multiplication of the denominator of the first with the denominator of the second fraction.Annex the result.

5 0
3 years ago
Which operation should you perform first in the expression 12 × 42?
d1i1m1o1n [39]

Answer:multiplication

Step-by-step explanation:

3 0
3 years ago
If two linear regression models have the same number of explanatory variables, a model with an R2 value of 0.45 is a better pred
icang [17]

Answer:

False

Step-by-step explanation:

Given that two linear  regression models have the same number of explanatory variables

First model has coefficient of determination as 0.45 while other

0.65

we know that R^2 is the proportion showing the variation of dependent because of variation in independent variables.

Hence a higher R square is always better because it ensures more linearity and hence more accuracy in the regression equation.

Hence 0.65 model is better than 0.45 model.

The given statement is false.

5 0
3 years ago
(1 + 2) x (3 + 4) whats the answer?
spayn [35]

Answer: 21

Step-by-step explanation: 3 x 7 = 21

5 0
3 years ago
Read 2 more answers
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