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choli [55]
2 years ago
9

What do we use to represent a value that we don't know?

Mathematics
1 answer:
Xelga [282]2 years ago
3 0

Answer:

<em>we </em><em>use </em><em> </em><em><u>variable</u></em><em> </em><em>to </em><em>represent</em><em> </em><em>a </em><em>value</em><em> </em><em>that</em><em> </em><em>we </em><em>don't</em><em> </em><em>know</em>

e.g

a,b,c,x,y,etc.

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If 3x + 2y = 5, what is the value of the expression 6x + 4y - 7?
pickupchik [31]

Answer:

3

Step-by-step explanation:

x = 1

y = 1

6+4-7 = 3

6 0
3 years ago
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Desperate<br> please Hurry<br> Question Down Below
dsp73

Answer:

-1 1/3

Step-by-step explanation:

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5 0
2 years ago
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Myesha finds some nickels and quarters under the couch cushions. How many coins does she have if she has 6 nickels and 12 quarte
Advocard [28]

If Myesha found 6 nickels and 12 quarters under her cushion, this means that she has a total of 18 coins.

<h3>What is an equation?</h3>

An equation is an expression used to show the relationship between two or more variables and numbers.

Let x represent the number of nickels and y represent the number of quarters. There are 2 cups in 1 pint. Hence:

If she has 6 nickels and 12 quarters:

Number of coins = 12 + 6  = 18

If she has x nickels and y quarters:

Number of coins = x + y  

If Myesha has 6 nickels and 12 quarters, this means that she has 18 coins.

Find out more on equation at: brainly.com/question/2972832

8 0
1 year ago
What is 115÷5 using distributive properties
Studentka2010 [4]

Answer:

115 ÷ 5 = 23

Step-by-step explanation:

Distributive property of division is  a ÷ b = c where c is constant

115 ÷ 5

= 23

8 0
2 years ago
Find the range of the data set : -5, -6, -1, -3, 6, 10
Furkat [3]
<h3>Answer:  16</h3>

Work Shown:

range = max - min = 10 - (-6) = 10 + 6 = 16

The range is the distance from the smallest item to the largest. Use of a number line might help sort out the values to see which is the smallest and largest.

5 0
2 years ago
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