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DaniilM [7]
2 years ago
14

You buy five books that are equal in

Mathematics
1 answer:
dexar [7]2 years ago
5 0

Answer:

26.50 - 8 = 18.50 then divide by 5

Step-by-step explanation:

this equation will help u find the exact amount of one book

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Answer QUICK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Vaselesa [24]

Answer:

half of a number is 15

Step-by-step explanation:

An equation must contain an equality sign.

The third option is the only phrase that can be represented as an equation: \frac{x}{2}=15

8 0
3 years ago
What is the length of segment XY?
Nadya [2.5K]

Answer:

4.5

Step-by-step explanation:

6 0
2 years ago
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2x - y - 4 = 0<br><br> 3x + y - 9 = 0<br><br><br><br> What is the solution set of the given system?
Ad libitum [116K]

Answer:

(\frac{13}{5};\frac{6}{5}).

Step-by-step explanation:

1)\left \{ {{5x=13} \atop {y=2x-4}} \right.  \ 2)\left \{ {{x=\frac{13}{5} } \atop {y=\frac{6}{5} }} \right.

short explanation: 1) to add the 1st equation to the 2d; 2) to calculate the value of 'x', then to substitute x=13/5 into the 2d equation and calculate the value of 'y'.

5 0
2 years ago
How many different 6-digit PIN codes using only the digits 0-9 are possible?
dexar [7]
840 6 digit pin codes are possible! Please mark brainlest
3 0
3 years ago
Four friends hosted a Graduation party: Genesis spent $21 for drinks, Mya spent $25 for food, Alina spent $16 for invitations, a
Naya [18.7K]

Answer:

Alina owes $4 to Mya and Mylana owes $1 to Mya and $1 to Genesis.

Step-by-step explanation:

As they want to share the party expenses equally, first you have to add all the expenses and divide them by 4 people to know the amount that each person has to pay:

$21+$25+$16+$18= $80/4= $20

As everyone has to pay $20 for the party expenses, we can see that Genesis spent $1 more and Mya $5 more, so they have to get the money back from the other 2 people.

Alina owes: $20-$16= $4. She owes $4 to Mya as she will pay the entire amount she owes to one person and Mya has to get $5 back.

Mylana owes: $20-$18= $2. She would have to pay $1 to Mya to complete the $5 she had to get back and $1 to Genesis.

6 0
3 years ago
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