MATHEMATICS
MIDDLE SCHOOL

Answer: 3 and 2/3

she has 2 times of that

multiply 3 and 2/3 by 2

3 times 2=6

2/3 times 2=4/3=1 and 1/3

6+1 and 1/3=7 and 1/3

she has 7 and 1/3 feet

she has 2 times of that

multiply 3 and 2/3 by 2

3 times 2=6

2/3 times 2=4/3=1 and 1/3

6+1 and 1/3=7 and 1/3

she has 7 and 1/3 feet

MIDDLE SCHOOL

Solve for x: (x − 2) = 4x.

Answer:

hope this helps you...

Answer:

x =

Step-by-step explanation:

(x - 2) = 4x

Since there is nothing to distribute (no coefficients before the parentheses), we can remove them.

x - 2 = 4x

Isolate the x. We can do this by subtracting x from each side.

x - 2 = 4x

-x -x

-2 = 3x

Now, we must find out what x (1x) equals. We will do this by dividing each side by 3.

=

= x

So, x =

x =

MIDDLE SCHOOL

Please help

4 [2 (x + 3) + 7] - 5x

Answer:

3x + 52

Step-by-step explanation:

Remember to solve the problem in the order of PEMDAS:

1) Parenthesis:

4 (2x + 6 + 7) - 5x

= 4 (2x + 13) -5x

2) Since there are no Exponents, Multiply:

8x + 52 - 5x

3) Subtract:

3x + 52

HIGH SCHOOL

For the data set, the mean is 3.26 and the range is 1.5. The data is transformed by subtracting 0.5 from each data value. What are the mean and range of the new data set?

Answer:

Mean of the new data set = 2.76

range = 1.5

Step-by-step explanation:

For the data set, the mean is 3.26 and the range is 1.5.

The data is transformed by subtracting 0.5 from each data value.

Mean is also average of the data set. As a general rule the mean will be changed by adding or subtracting a constant to each value. However the range will remain the same.

The mean would be 3.26 - 0.5 = 2.76

There is no change in the range, so the range would be same = 1.5

The mean of the new data set is 2.76, and the range of the new data set is 1.5.

HIGH SCHOOL

Which equation is equivalent to 4.5 = 2a?

2a = 4.5 |divide both sides by 2

a = 2.25

a = 2.25

**Answer:**

a = 2.25

**Step-by-step explanation:**