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myrzilka [38]
3 years ago
10

5y + 10x = 0 y = - 3x Plz help me the photo is the directions for the problem

Mathematics
1 answer:
enyata [817]3 years ago
3 0
When substituting, you want to take the y value from one equation and plug it into the y variable in the other equation to find the x value. When you find the c value, you plug the number into one of the equations to get your y value.

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Plsss help ill give brainiest
Elena L [17]

To solve this problem, we have to use the area of both gauze or the dimensions on each gauze and compare them. we can see that the sheets are not similar as they have different areas.

<h3>Area of Rectangle</h3>

The area of a rectangle is given as the product between the length and it's width.

Data;

  • Length = 9in
  • Area = 45in^2
  • width = ?
  • length 2 = 4in
  • width 2 = 3in

area = length * width

In the first gauze, the area is given as 45in^2 and we have value of the length. To find the width of the first gauze can be calculated as

A = length * width\\width = \frac{area}{length} \\width = \frac{45}{9} \\width = 5in

We can see that the width are not equal so is their length.

But if we would truly compare them, the accurate way to do that is by their area

The area of the second gauze is given by

a = 3 * 4 = 12in^2

From the above calculations, we can see that the sheets are not similar as they have different areas.

Learn more on area of a rectangle here;

brainly.com/question/25292087

3 0
2 years ago
18 times what is 504
schepotkina [342]

Answer:

28

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
An expression equivalent to 3n+2(1-4n)
Taya2010 [7]
A simplified equation would be 2-5n.
6 0
3 years ago
Landon is building new bookshelves for his bookstore's new mystery section. Each shelf can hold 38
Novosadov [1.4K]

Answer:

33

Step-by-step explanation:

1254 divided by 38 is 33

7 0
3 years ago
Read 2 more answers
According to the empirical rule, if the data form a bell-shaped normal distribution, __________ of the observations will fall wi
Kaylis [27]

Answer:

95%

Step-by-step explanation:

The empirical rule states that if data follows normal distribution then the percentage of observations falls within one, two and three standard deviation around the mean are

i) 68% falls within one standard deviation

ii) 95% falls within two standard deviation

iii) 99.7% falls within three standard deviation.

Hence 95% of the observations will fall within two standard deviations around the mean if the data follows normal distribution.

5 0
3 years ago
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