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kolezko [41]
2 years ago
7

Solve pls brainliest

Mathematics
1 answer:
tamaranim1 [39]2 years ago
5 0

= 29/6 ×4

=29/3 ×2

=58/3

=19(1/3)

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Please help me it’s math iready for a 7th grader
Artemon [7]

Answer:

m - 7.50 = 12.50

and

m = 7.50 + 12.50

Step-by-step explanation:

The best answers would be:

m - 7.50 = 12.50

and

m = 7.50 + 12.50

First of all, let's figure out what the question is asking us:

The question is asking us to find the amount of money on the gift card

It tells us to use "m" for "the amount of money on the gift card"

Now that we know the following, we can put together the equation

m = the amount of money on the gift card

$7.50 = cost of the book

$12.50 = amount remaining

Since he receives the gift card and then buys a book that costs $7.50, we are going to "have to subtract $7.50 from m". And we know that $12.50 is remaining, so we "make the equation equal to 12.50".

So, let's set up the equation:

m - 7.50 = 12.50

Now that we know the equation, we can solve for "m"

m - 7.50 = 12.50

Step 1: Add 7.50 to both sides.

m − 7.50 7.50 = 12.50 + 7.50

Step 2: Simplify

Answer: m = 20

Another way you can set up this equation is:

m = 7.50 + 12.50

Because we want to find "m", we set it equal to the equation. Since Salim bought a book for $7.50 and had $12.50 remaining, we want to find how much he had on the gift card that made him have $12.50 remaining when he bought the book. So, we have to add 7.50 and 12.50, to find how much is on the gift card.

So, the equation "m = 7.50 + 12.50", makes sense when solving for "m"

Hint: Once you have realized that the equation has Like Terms on the same side you must Combine the Like Terms by either adding them together or subtracting them.

Now that we know the equation, let's solve it

m = 7.50 + 12.50

Step 1: Combine like terms

m = (7.50 + 12.50)

m = 20

Since both equations equal $20 and both make sense, we can conclude that these are the best options.

5 0
2 years ago
Ruben bought 6 new books for his collection. This increased his collection by 12%. How many books does he have now?
Helen [10]
Let's create a variable to represent the size of Ruben's book collection prior to his buying the new books.  

B = number of books in Ruben's collection before buying new ones

So, we know that when he bought 6 books, this increased his collection by 12%.

12% of his book collection would be represented by 0.12B.  Therefore, we know that:

0.12B = 6

Divide both sides by 0.12, to get to B = 50.

However, you are being asked how many books does he have now.  B represents the number of books he had before.  Therefore you want to add back the 6 books he just bought.

The answer is 50 + 6 = 56


7 0
3 years ago
1/3 of the Color chocolate in a bag are red and 3/10 are blue. What fraction of the color chocolate or not red or blue
Blizzard [7]
11/30 is the correct answer
8 0
3 years ago
What is this problem ?
Ede4ka [16]

Answer:

=100000

Step-by-step explanation:

(10^2)(10^3)

=10^2*10^3

=(10*10)*(10*10*10)

=10*10*10*10*10

=105

=100000

8 0
3 years ago
X^2-24+6=0<br> Розв’язати квадратне рівняння
user100 [1]

Answer:

X=√18

Step-by-step explanation:

X^2-18=0

X^2=18

X=√18

3 0
3 years ago
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