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morpeh [17]
3 years ago
12

Someone please help me on this and pls give brief and direct steps for this 7x-15=55. Thanks!​

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
4 0

Step-by-step explanation:

7x - 15 =55

7x= 55 +15

7x =70

X=70/7

X=10

Hope this helps..

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Solve for the variable x - 9 = 11
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Answer:

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3 0
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The librarian purchased 22 copies of a best-selling book for $385.66.
kow [346]

Answer:

$17.53

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$385.66 divided by 22 equals the how much each book cost

5 0
3 years ago
Sand and gravel are mixed in the ratio 5:3 to form ballast.
r-ruslan [8.4K]
<h3>Answer:  1250 kg of sand</h3>

Work Shown:

sand/gravel = 5/3

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8 0
2 years ago
Jackson sells toolboxes for farming tools. He plans on selling them during a fair this weekend. Jackson estimates he will sell t
Nataly [62]

The linear equation for the given situation is represented as:

20x + 12y = 1,300

correct answer option: b

<h3>What is a linear equation with two variables?</h3>

A general linear equation in two variables is defined as an equation of the form ax + by + c = 0, where x and y are the two variables and a, b, and c are real numbers and a and b are non-zero (x and y).

Given:

We use variables to represent the cost of the big and the smaller boxes.

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The total selling price of the smaller boxes is 20x.

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Now we know he is making a profit of $1,300 on the total transaction.

Hence the linear equation in two variables for the given situation is represented as:

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To learn more about linear equations in two variables visit:

brainly.com/question/24085666

#SPJ4

I understand that the question you are looking for is:

Jackson sells two types of toolboxes. he plans on selling them during a farming fair this weekend. He estimates he will sell 20 of the smaller boxes (X) and 12 of the larger boxes (Y). if he'd like the profit to be $1300, which of the following best displays the equation that represents this information?

A-  y+12=20(x-1300)

B-  y=- \frac{5}{3}x+ \frac{325}{3}

C-  20x+12y=1300

D-  12y=20x-1300

6 0
1 year ago
Which student wrote an expression equivalent to 6x + 4x to the third power? Choose all that apply.
FinnZ [79.3K]
Bart and David are correct. 
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David
x(6+4x^2)
x*6 = 6x
x*4x^2 = 4x^3
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7 0
3 years ago
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