All categories

3 years ago

Simplify the expression - (-x + y - 1)

2 answers:

6 0

When only multiplying by a negative you are basically just changing every sign. So a negative times a negative is positive and a positive times a negative is negative.

You should get (x-y+1)

Shalnov [3]3 years ago

3 0

All you need to do is to substitute the negative to the numbers inside parentheses.

Answer: x-y+1

You might be interested in

Charlie weighs 9 pounds more than his little brother. If together they weigh 99 pounds what is the algebraic equation for Charli

Afina-wow [57]

To set up the equation you would take x and add the nine pounds that Charlie weighs more than his brother and the set that equal to 99. Your equation would be X+9=99. If you wanted to take it a step further and solve the equation you would distract 9 from both sides which means that x=90

4 0

4 years ago

Brian buys a computer for £2100.

elena55 [62]

It would be worth £1974

4 0

3 years ago

Janine is analyzing spending habits of students in her high school. She finds a mean monthly discretionary expense of $70 spent

aliina [53]

Answer:

Variance = 25

Step-by-step explanation:

Standard deviation is the under root of variance.

Variance is the square of standard deviation.

Data:

Mean = 70

Variance = ?

Standard deviation = √variance = 5

Variance = 5²

Variance = 25.

Therefore, the variance is 25.

3 0

4 years ago

Simplify this expression 3x^2 * 4x^5

Readme [11.4K]

Answer:

Step-by-step explanation:

5 0

3 years ago

The sports field at Patton Elementary School is shaped like a rectangle.The field is 72 yards long and 46 yards wide.What is the

svet-max [94.6K]

Answer:

3312 square yards.

Step-by-step explanation:

Given:

The sports field at Patton Elementary School is shaped like a rectangle having:

Length = 72 yards

Breadth = 46 yards

Question asked:

What is the area of the field in square yard ?

Solution:

As here sports field at Patton Elementary School is shaped like a rectangle, thus we will use the formula ;

$Area \ of\ rectangle=length \times breadth$

$=72\ yards\times46\ yards\\=3312\ square\ yards$

Thus, the area of the sports field at Patton Elementary School is 3312 square yards.

7 0

3 years ago