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julsineya [31]
2 years ago
9

Which of the following is an advantage to using equations?

Mathematics
1 answer:
Elis [28]2 years ago
3 0

Answer:

c. When gives tow names for the same quantity, you can use algebra to solve the equation.

Hope it help you

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during a sale at the bookstore,books where sold for $3 and magazines where sold for $2.50 Jam spent $16 and bought a total of 6
VashaNatasha [74]
The bookstore is on sale and they offer the following prices to the following items:  => books is equals to 3 dollars => magazines  costs 2.50 dollars.Now, Jam were able to spend 16 dollars in total in buying 6 books and x number of magazines. => Let's find out how many did Jam bought. => he bought a total of 6 books and magazine.=> Let's analyze how many magazines and how many books will he need to buy in order to get 16 dollars in total=> 4 magazines * 2.5 dollars = 10 dollars=> 2 books * 3 dollars = 6 dollarsin total 16 dollars.<span>
</span>
7 0
3 years ago
carol's father was 24 years old when carol was born, now he is 4 times as old a carol how old is carol
tensa zangetsu [6.8K]

Answer:

24 - 24 = 0 (carols age past tense)

24 x 4 = 96

96 - 24 = 72 (present tense)

carol is now 72 yr

8 0
2 years ago
Can you break down how this equation was solved?
dolphi86 [110]
Yes! Let me help you!

Here is the original equation, lets solve this step-by-step

(x + 2)/4 = 5

Now, lets find out how. 

We must apply the inverse operation. 

4/2 is the reciprocal, so lets multiply that to both sides. 

4/2 = 2
5*4 = 20

4x + 8 = 20
      -8      -8            Subtract 8 from both sides. (Inverse operation) 

4x = 12
4x/4  = 12/4             Divide 4 by both sides (Inverse)

x = 12/4
x = 3           Simplified

Answer:  x = 3
3 0
3 years ago
Read 2 more answers
Whats the quotient of simplest from for 5 wholes divide by 2\9 ?
posledela
Keep Change Flip!!!
Keep: the first fraction 5 or 5/1
Change: Division sign to multiplication sign
Flip (reciprocal): the second fraction
So you get 5/1*9/2= 45/2 which simplified to 22 1/2
7 0
3 years ago
How metric units and place value units are alike and unlike
dem82 [27]
Well metric unit is for measurement and place value units is for numbers
8 0
2 years ago
Read 2 more answers
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