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3 years ago

Write expression for the sum x and 6

Mathematics

2 answers:

Marizza181 [45]3 years ago

6 0

Answer:

Step-by-step explanation:

<em>Sum means Addition. </em>

Rainbow [258]3 years ago

6 0

X+6

Because the sum means the answer of an addition equation

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Determine if the situation described in each row can be represented by 9x+3=21 or by 3x+9=21. Select the correct answer in each

grin007 [14]

Selina gave 2 stickers to each of her friends.

Robert bought 4 bottles of paint.

<h3>What is a numerical expression?</h3>

A numerical expression is a mathematical statement written in the form of numbers and unknown variables. We can form numerical expressions from statements.

Given, Selina had 21 stickers. She gave the same amount of stickers to each of her 9 friends and had 3 stickers left over.

This can be represented as,

9x + 3 = 21.

9x = 18.

x = 2.

So, she gave 2 stickers to each of her friends.

Robert went to an art supply store.

He got a pack of paintbrushes for $9 and some bottles of paint for $3 each.

His total came out to $21, before tax.

3x + 9 = 21.

3x = 12.

x = 4.

Robert bought 4 bottles of paint.

learn more about numerical expression here :

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4 0

1 year ago

Which expression is equivalent to 9(4/3

ss7ja [257]

Answer:

6m-27

Step-by-step explanation:

4 0

2 years ago

A bag contains only red marbles and blue marbles in the ratio of 3 red to 2 blue.

Airida [17]

Answer:

Step-by-step explanation:

create a t chart on one side put 3 and on the other put 2.

times 3 by 8 (you'll get 24) and then times 2 by 8 (you'll get 16.

7 0

3 years ago

-5 1/2 -4 1/4 - 6 3/4

BlackZzzverrR [31]

For this case we have an expression of mixed numbers:

$5 \frac {1} {2} = \frac {2 * 5 + 1} {2} = \frac {11} {2}\\4 \frac {1} {4} = \frac {4 * 4 + 1} {4} = \frac {17} {4}\\6 \frac {3} {4} = \frac {4 * 6 + 3} {4} = \frac {27} {4}$