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Juli2301 [7.4K]

3 years ago

5

Round this number to the nearest 1000th place.

1 answer:

GarryVolchara [31]3 years ago

3 0

The 1000th place is the 3rd number to the right of the decimal point.

You need to look at the fourth number, if it is a 5 or higher, you round the 3rd number up, if it is lower than 5 the 3rd number stays what it is.

3,333.8485

The fourth number is a 5, so you would round the third number, which is an 8 up to 9.

The number becomes E. 3,333.849

Rain total would be adding all the days together:

3 + 2.58 + 1.2 + 1.3 + 0.68 + 0.5 + 2.15 = 11.41

The answer is D. 11.41

Multiply the bill by 5% and add it to the bill to get the total with tax:

9.68 x 0.05 = 0.484 = 0.48

9.68 + 0.48 = 10.16

$10.16 is greater than $10, so you don't have enough money.

The answer is B. No

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10 ft area of base 62ft 2 (squared)

AleksAgata [21]

Answer:

12

Step-by-step explanation:

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3 years ago

Which expression is equivalent to 2(3x + 4y + x)?

Elena L [17]

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$\large\text{2(3x + 4y + x)}$

$\large\textsf{DISTRIBUTE 2 WITHIN the PARENTHESES}$

$\large\text{2(3x) + 2(4y) + 2(x)}$

$\large\text{2(3x) = \boxed{\bf 6x }}$

$\large\text{6x + 2(4y) + 2(x)}$

$\large\text{2(4y) = \boxed{\bf 8y}}$

$\large\text{6x + 8y + 2(x)}$

$\large\text{2(x) = \boxed{\bf 2x}}$

$\large\text{6x + 8y + 2x}$

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$\large\text{(6x + 2x) + (8y)}$

$\large\text{6x + 2x = \boxed{\bf 8x}}$

$\large\text{8x + 8y}$

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6 0

3 years ago

Write the following expression as the product of a repeated variable. X^5

klemol [59]

Answer:

25

Step-by-step explanation:

6 0

3 years ago

Please consider the following values for the variables X and Y. Treat each row as a pair of scores for the variables X and Y (wi

Studentka2010 [4]

Answer:

The Pearson's coefficient of correlation between the is 0.700.

Step-by-step explanation:

The correlation coefficient is a statistical degree that computes the strength of the linear relationship amid the relative movements of the two variables (i.e. dependent and independent).It ranges from -1 to +1.

The formula to compute correlation between two variables <em>X</em> and <em>Y</em> is:

$r(X, Y)=\frac{Cov(X, Y)}{\sqrt{V(X)\cdot V(Y)}}$

The formula to compute covariance is:

$Cov(X, Y)=n\cdot \sum XY-\sum X \cdot\sum Y$

The formula to compute the variances are:

$V(X)=n\cdot\sum X^{2}-(\sum X)^{2}\\V(Y)=n\cdot\sum Y^{2}-(\sum Y)^{2}$

Consider the table attached below.

Compute the covariance as follows:

$Cov(X, Y)=n\cdot \sum XY-\sum X \cdot\sum Y$

$=(5\times 165)-(30\times 25)\\=75$

Thus, the covariance is 75.

Compute the variance of X and Y as follows:

$V(X)=n\cdot\sum X^{2}-(\sum X)^{2}\\=(5\times 226)-(30)^{2}\\=230\\\\V(Y)=n\cdot\sum Y^{2}-(\sum Y)^{2}\\=(5\times 135)-(25)^{2}\\=50$

Compute the correlation coefficient as follows:

$r(X, Y)=\frac{Cov(X, Y)}{\sqrt{V(X)\cdot V(Y)}}$

$=\frac{75}{\sqrt{230\times 50}}$

$=0.69937\\\approx0.70$

Thus, the Pearson's coefficient of correlation between the is 0.700.

5 0

3 years ago

20 pts awarded and brainliest chosen<br><br>Which of the following is the solution to ?

Dvinal [7]

Answer:

B.

Step-by-step explanation:

The answer is B

5 0

3 years ago

Read 2 more answers