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3 years ago

which expression would be easier to simplify if you use the commutative property to change the order of numbers

Mathematics

2 answers:

Annette [7]3 years ago

6 0

Commutative property of addition is given by : a+b = b+a , where a and b can be any expression of real numbers. It basically changes the order of the so that simplification of any expression becomes easier.

but it is with the stuff that you have on your computer or paper

stich3 [128]3 years ago

3 0

I think it’s a but I could be wrong.

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The drama club collected $160 from ticket sales for the spring play. They need to collect at least $400 to pay for new lighting

valentina_108 [34]

We assume all money is spent on new lighting. Since they currently have $160 and need $400 we can subtract what they currently have from what they need.

$400-$160 = $240

Since we know the price of the ticket and now know they need $240 we can divide our $240 with the price of each ticket ($3)

$240/$3 = 80

So the drama club has to sell 80 more tickets in order to afford new lighting

6 0

3 years ago

Mr. Clifton was preparing for his upcoming birthday party. He ordered 51 white balloons and 47 red balloons. As he walked to his

Andrej [43]

Answer:

28 i think

Step-by-step explanation:

51+47=98

98-12 the ones that flew away that takes it to 86

86/3 the 3 balloons buntch than is 28

p.s. i mght of got some equations wrong but this is what i got

4 0

3 years ago

In a two-player game, five cards, numbered 1 through 5, are placed in a bag. A card is drawn at random, and the players look at

IceJOKER [234]

Answer:

If it is less than 3, Player 1 earns 3 points.

If not, Player 2 earns 2 points.

Step-by-step explanation:

Player 1 :

p(N < 3) = p(N = 1 or N = 2) = 2/5

Player 2 :

p(N ≥ 3) = p(N = 3 or N = 4 or N = 5) = 3/5

We notice that :

p(N < 3) × 3 = (2/5) × 3 = 6/5

On the other hand,

p(N ≥ 3) × 2 = (3/5) × 2 = 6/5

since ,the probability player 1 win multiplied by the associated number of points (3)

is equal to

the probability player 2 win multiplied by the associated number of points (2).

Then the game is fair.

8 0

2 years ago

Read 2 more answers

9 - 3 divided by 1/3 + 1

jolli1 [7]

Answer:

its just 9

Step-by-step explanation:

Divide: 3 : 1 / 3 = 3 / 1 · 3 / 1 = 3 · 3 / 1 · 1 = 9 / 1 = 9 Dividing two fractions is the same as multiplying the first fraction by the reciprocal value of the second fraction. The first sub-step is to find the reciprocal (reverse the numerator and denominator,

6 0

2 years ago

Read 2 more answers

Whats the inequality of R-2<7

VashaNatasha [74]

Answer:

R=9

Step-by-step explanation:

Change the sign of -2 to 2

Add 2 to 7

5 0

3 years ago