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3 years ago

Please answer the question please. The question is down below.

Mathematics

1 answer:

nekit [7.7K]3 years ago

7 0

Answer:

Please add a picture!

Step-by-step explanation:

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Oscar bought some markers, notebooks, and packs of sticky notes for his office. He bought the same number of markers as notebook

Veseljchak [2.6K]

Using a system of equations, it is found that Oscar bought 6 markers, 6 notebooks and 15 packs of sticky notes.

<h3>What is a system of equations?</h3>

A system of equations is when two or more variables are related, and equations are built to find the values of each variable.

In this problem, the variables are:

Variable x: Number of markers.

Variable y: Number of notebooks.

Variable z: Number of packs of notes.

He bought the same number of markers as notebooks, hence:

x = y.

He bought three more packs of sticky notes than markers and notebooks combined, hence:

z = 3 + x + y

z = 3 + 2x.

He paid $1.05 for each marker, $2.25 for each notebook, and the packs of sticky notes were $1.95. He spent $49.05 in total, hence:

1.05x + 2.25y + 1.95z = 49.05.

Then:

1.05x + 2.25x + 1.95(3 + 2x) = 49.05.

7.2x = 43.2

x = 43.2/7.2

x = 6.

The amounts are as follows:

y = 6.

z = 3 + 2(6) = 15.

He bought 6 markers, 6 notebooks and 15 packs of sticky notes.

More can be learned about a system of equations at brainly.com/question/24342899

#SPJ1

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2 years ago

How did you choose the number that each symbol represents

icang [17]

<> greater than and less than
$\leq$ $\geq$ greater than or equal to and lesser than or equal to
= Is equal to

Don't forget to mark my anwer brainliest if I helped!

4 0

3 years ago

In the Butterfly Museum, there are only pink and yellow butterflies. The ratio of the number of pink butterflies to the number o

RideAnS [48]

Answer: There are 48 butterflies altogether.

Step-by-step explanation:

Since we have given that

The ratio of number of pink butterflies to the number of yellow butterflies is 3:5

So,

Let the number of pink butterflies be 3x

Let the number of yellow butterflies be 5x

As we have given that there are 18 pink butterflies,

So,

$3x=18\\\\x=\frac{18}{3}\\\\x=6$

So, total number of butterflies is given by

$5x+3x=8x\\\\8x=8\times 6=48$

Hence, there are 48 butterflies altogether.

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3 years ago

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A jewelry store is having 40% off sale for all necklaces. During this sale,what is the cost of a necklace that regularly costs $

Misha Larkins [42]

Answer:

$29.98

Step-by-step explanation:

49.98- 40% = 29.98

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4 years ago

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9. Which expression is equivalent to 14(8x−36)+2x? (1 point)

creativ13 [48]

Answer:

Step-by-step explanation:

14(8x-36)+2x

112x -504 +2x

114x-504

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3 years ago