MATHEMATICS MIDDLE SCHOOL

OULLO
Solve 2(x + 1) = 2x + 2.

All real numbers
No solution
0
1

Answers

Answer 1
Answer:

Answer:

All real numbers

Step-by-step explanation:

2(x + 1) = 2x + 2

2x + 2 = 2x + 2

2x + 2 - 2x - 2 = 2x + 2 - 2x - 2

0 = 0

All real numbers
Answer 2
Answer:

Answer:

0

Step-by-step explanation:

Step 1: Distribute

2(x+1) =2x + 2

Step 2: Solve

2x +2 = 2x +2

-2 -2

=2x = 2x

-2x -2x

=0

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What is 1/3 of the area of a rectangle?

Answers


-- The area of a rectangle is                     (length) · (width) .

-- 1/3 of the area of a rectangle is  (1/3) · (length) · (width) .

As a salesperson, you are paid $100 per week plus $3 per sale. This week you want your pay to be at least $160. Write an inequality for the number of sales you need to make, and describe the solutions.

Answers

Answer:

100 +3s≥ 160

You must sell as least 20 items

Step-by-step explanation:

You make 100 plus 3 dollars per sale

100 +3s

It must be at least 160

100 +3s≥ 160

Now we need to solve to see how many sales

100 +3s≥ 160

Subtract 100 from each side

100-100 +3s≥ 160-100

3s≥ 60

Divide each side by 3

3s/3≥60/3

s≥20

You must sell as least 20 items

A rational number can be written as the ratio of one blank to another and can be represented by a repeating or blank decimal

Answers

we know that

A rational number is the quotient of two integers with a denominator that is not zero , and can be represented by a repeating or terminating decimal.

Repeating Decimal is a decimal number that has digits that go on forever

Terminating decimal is a decimal number that has digits that do not go on forever.

examples

(1)/(3) = 0.333... (the 3 repeats forever)----> Is a Repeating Decimal

0.25 (it has two decimal digits)----> Is a Terminating Decimal

therefore

the answer is

A rational number can be written as the ratio of oneinteger to another and can be represented by a repeating or terminating decimal
A rational number can be written in the form:

(p)/(q); \ called \ the \ ratio \n \n where \ p \ and \ q \ are \ whole \ numbers

The number $q$ isn't equal to zero because the division by zero is not defined. So we can represent rational numbers by a repeating or terminating decimal, for instance in the following four exercises we have:

(2)/(3)=0.6666...=0.\stackrel{\frown}{6} \n \n (5)/(8)=0.625000...=0.625\stackrel{\frown}{0} \n \n (3)/(1)=3.000...=3.\stackrel{\frown}{0} \n \n (3446)/(2475)=1.392323...=1.39\stackrel{\frown}{23}

A jar contains 100 tickets for a drawing. Among those tickets are 7 winning tickets. What are the odds in favor of winning?

Answers

Answer:

7:43

Step by Step:

50 - 7 = 43

You take out those seven tickets from the fifty, because if not,  there would be 57 tickets total.  This leaves 7:43.  The seven is first because the odds are in the "winning tickets" favor.  
7/100 or 0.07% chance

Sara solved the equation -6(x-2) + 3x = -3(x+3) + 21 What is the solution?
pls help :)

Answers

To solve you can use inverse operations.

Here are the steps to find the answer:

1. Write out the equation: -6(x-2)+3x= -3(x+3) +21

2. Distribute both sides: -6x+12+3x= -3x-9+21

3. Simplify both sides: -3x+12=-3x+12

4. This equation is true for all values, or infinity, because the equation is the same on both sides

Let me know if you need further explanation. I hope this helps.

What is x/4+10=16




Please answer

Answers

x=2..............................

Answer:

Step-by-step explanation:

24
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