MATHEMATICS MIDDLE SCHOOL

Simplify 5 - 2x -3 +x

a) 2-x b) 1 C) x-2 d) 2-2x

Answers

Answer 1

Answer:

5 - 2x - 3 + x = (5 - 3) + (-2x + x) = 2 - x

Answer: a) 2 - x

Answer 2

Answer: Lets break this into parts:

5 - 3 = 2
-2x + x = -x

So thats 2-x.

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1). Write 658.129 in expanded form 2). Write <,>,or = to make the statement true 2929.87 ? 2929.087. 3). Round 8.61 to the nearest tenth 4). 521.09-148.75= PLEASE HELP???????????????

Answers

1. 600 +50 +8 + 0.1+ 0.02+ 0.009
2. >
3. 8.60
4. 521.09 - 148.75 its = 372.34

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IDK BECAUSE THIS IS HARD STUFF

What is the answer to -4/5 + 3/20 =

Answers

$- (4)/(5) + (3)/(20)$

First, find the LCD of the two denominators.
Multiples of 5: 5, 10, 15, 20
Multiples of 20: 20
The LCD is 20.
Second, make the denominators the same as the LCD. / Your problem should look like: $-(4x4)/(5x4) + (3)/(20)$
Third, simplify so that the denominators are the same. / Your problem should look like: $- (16)/(20) + (3)/(20)$
Fourth, combine the denominators. / Your problem should look like: $(-16+3)/(20)$
Fifth, simplify. / Your problem should look like: $-(13)/(20)$

Answer as fraction: $- (13)/(20)$
Answer as decimal: -0.65

The answer to your question is: -4/5 + 3/20 = -0.65

90<-30p+15 how do you solve this

Answers

*To solve an inequality, it's the same as if you were solving an equation: Isolate the desired variable to one side to solve.

Firstly, subtract 15 on both sides: $75<-30p$

Next, you are going to divide both sides by -30. Since you are dividing by a negative, you are going to flip the inequality symbol. Your final answer will be: $-(5)/(2)>p$

Jenna has 2 whole watermelon and one-third of another watermelon. Write a mixed number and improper fraction to represent the amount of watermelons she has.

Answers

Well if she has 2 whole watermelons and 1/3 of one that would be 2 1/3 and that would be the mixed number and for the inproper fraction it would be 1 4/3 because you want to take out 1 from the 2 1/3 and add it on to the 1 of the 1/3 making it 1 and 4/3 I hope this helps!

The answer to this the mixed number is 2 1/3 and the improper is 1 4/3

My teacher gave me those answers

51 is 75% of what number?

Answers

51 75%
_____ =______
X 100

75x=5100
_________
75

X=68

Plz help me!!! It's a lvl6 paper and i am not that lvl yet! It's just so he teachers know how inwill do and its calculator alowed. 20 ponits for best answer!

Answers

$C=3N+425$
N is the number of leaflets so you just substitute the required number for N.

$C=3 * 2500 + 425=7500+425=7925$

The cost of printing 2500 leaflets is £7925.