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Natasha_Volkova [10]
3 years ago
5

Which of the following expressions represents the sum of a number and three is divided by two? A. 2 ÷ x + 3

Mathematics
2 answers:
Virty [35]3 years ago
8 0

answer should be C

let me know if that’s right

melomori [17]3 years ago
5 0

Answer:

answer should be C

Step-by-step explanation:

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If the coefficient of determination is 0.9, the percentage of variation in the dependent variable explained by the variation in
vagabundo [1.1K]

Answer:

90% of the variation in the dependent variable is explained by the independent variable.

Step-by-step explanation:

We are given the following in  the question:

coefficient of determination = 0.9

We have to find the percentage of variation in the dependent variable explained by the variation in the independent variable.

Coefficient of Determination:

  • The coefficient of determination is a measure that explains and predicts the dependent variable.
  • It explains the variation in the dependent variable caused by the independent variable.
  • The coefficient of determination, also known as the R squared value and is obtained by squaring the coefficient of correlation.

\text{Coefficient of Determination} = R^2 = 0.9 = 0.9\times 100\% = 90\%

Thus, 90% of the variation in the dependent variable is explained by the independent variable.

8 0
3 years ago
A cheese box is shaped like a
prohojiy [21]

Answer:

yes because it is a triangle it goes into the box that is equal to 1/4 of its size

Step-by-step explanation:

8 0
3 years ago
The perimeter of a square is equal to four times the length of a side. Write the direct v variation equation that represents the
sveticcg [70]

Answer: y=4x

Step-by-step explanation:

A direct variation equation has the form:

y=kx

Where <em>k</em> is a constant.

By definition, we know that the perimeter of the square is the sum of the lengths of its sides or, as all the sides are equal, you can multiply the lenght of any side by 4.

 Then, knowing that <em>y</em> is the dependent value and <em>x</em> the independent value and the constant <em>k=4, </em> you can write the following direct variation equation that represents the situation.

y=4x

4 0
3 years ago
Add 238 and 12, then multiply by 3. Interpret the expression.
Volgvan

Answer:

3(238+12) is the expression

Step-by-step explanation:

hope this helps

4 0
3 years ago
Read 2 more answers
What is the missing number in the synthetic division problem below?
Crank

Given:

A synthetic division problem.

To find:

The missing number it in the given synthetic division problem.

Solution:

The given synthetic division problem is:

3|\overline{3\quad -2\quad 2\quad 4}\\

           \quad 6\quad 8\quad 20\\

     \overline{3\quad 4\quad ?\quad 24}

In synthetic division, we need to add first and second row to get the bottom row.

3+0=3

-2+6=4

4+20=24

Similarly,

2+8=10

Therefore, the missing value in the given synthetic problem is 10. Hence, the correct option is C.

6 0
3 years ago
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