Complete the table below to solve the equation 2.5x − 10.5 = 64(0.5x).

Answers

Answer 1

Answer: If you would like to solve the equation 2.5 * x - 10.5 = 64 * 0.5 * x, you can calculate this using the following steps:

2.5 * x - 10.5 = 64 * 0.5 * x
2.5 * x - 10.5 = 32 * x
- 10.5 = 32 * x - 2.5 * x
- 10.5 = 29.5 * x
x = - 10.5 / 29.5
x = - 0.3559 = - 0.36

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Using special products what is (wx-y)^2

Answers

i think that supposed to be (wx - y^2)^2?

If so, multiply using FOIL:

First: wx * wx = w^2x^2

Outside: wx * -y^2 = -wxy^2

Inside: -y * wx = -wxy^2

Last: -y^2 * -y^2 = y^4

Combine w^2x^2 - 2wxy^2 + y^4

Answer:

I believe it is wx^2 - 2ywx + y^2

Step-by-step explanation:

seperated into (wx-y)(wx-y) and used FOIL

Prove: if a+c=b+c, then a=b. Statement 1: a+c=b+c
Statement 2: a+c+(-c)=b+c+(-c)
Statement 3: a+[c+(-c)]=b+[c(-c)]
Statement 4: a+0=b+0
Statement 5: a=b.
What is the reason for Statement 2?
a. Property of opposites
b. Associative property of addition
c. Addition property of equality
d. Identify property of addition

Answers

Statement 1: a+c=b+c
Statement 2: a+c+(-c)=b+c+(-c)
Statement 3: a+[c+(-c)]=b+[c(-c)]
Statement 4: a+0=b+0
Statement 5: a=b.
What is the reason for Statement 2?

A.) Property of opposites

This property is where a number and its opposite are called additive inverses. The sum of these numbers is equal to 0.

Please help me I don’t understand

Answers

Answer:

the first and fifth one

Step-by-step explanation:

Answer:

the first and second one

Step-by-step explanation:

Work out 5/8−2/5 Give your answer in its simplest form.

Answers

$(5)/(8) - (2)/(5)$

First, find the LCD (least common denominator) of the two fractions.
List the multiples of each denominator and find the one that is common.
Multiples of 8: 8, 16, 24, 32, 40
Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40
40 is your LCD.

Second, what can you divide by to make the denominators of each fraction '40'? Whatever you do to the bottom you must do to the top.
$(5*5)/(8*5) - (2*8)/(5*8)$

Third, multiply.
$(25)/(40) - (16)/(40)$

Fourth, since the denominators are the same now, we can combine them.
$(25-16)/(40)$

Fifth, subtract '25 - 16' to get 9.
$(9)/(40)$

Since $(9)/(40)$ is already in the simplest form, it is your answer.

Answer as fraction: $(9)/(40)$
Answer as decimal: $0.225$

The area of the triangle is 56 m2. Find the length of the base.

Answers

you need to know the formula to find out area first.

Area = (1/2)* base*height

So, when you let base as x m then, definitely height becomes (x+6)m.

So substitute the values in above formula and you'll get the answer.
I think 56=1/2(x)(x+6)

Dean needs 60 inches of wood to build a rectangular picture frame. The length of the frame is twice its width, w . Which of these equations give the correct formula for the perimeter?

Answers

The correct formula for the perimeter of the rectangular picture frame is: P = 2w + 2(2w) = 6w.

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