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Strike441 [17]
3 years ago
5

10% of the students in a school like the color purple. 162 students don't like the color purple. How many students are in the sc

hool?
Mathematics
1 answer:
egoroff_w [7]3 years ago
5 0

Answer:

There are 180 students at the school

Step-by-step explanation:

If 10% of the students like the color purple, then 100-10 = 90% do not like the color purple.

Students * percentage that do not like = students that do not like

students * 90% = 162

Change to decimal form

students *.90 = 162

Divide each side by .90

students *.90/.90 = 162/.90

students = 180

There are 180 students at the school

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A triangle has side lengths of (x-6), (x+2) and (x-9). Find the perimeter of the triangle
Setler [38]

Answer:

3x - 13

Step-by-step explanation:

The perimeter is just the distance around the triangle. We have all three sides, so we can just add them together to get the total distance.

(x-6) + (x+2) + (x-9)

Group:

x + x + x - 6 + 2 - 9

3x - 13

8 0
3 years ago
In a factory, 3.25% of the jars of peanut butter produced contains less peanut butter than is advertised on the label. The facto
marshall27 [118]

Answer:

936 jars of peanut butter contain less peanut butter than usual.

Step-by-step explanation:

1. First, we need to find how many jars of peanut butter that contain less peanut butter than advertised are produced every hour.

The factory produces 1200 jars of peanut butter every hour

3.25% of those jars have less peanut butter than advertised

So: multiply (1200*.0325) (the decimal form of the percent) to find the amount of peanut butter jars that contain less peanut butter than advertised.

(1200*.0325) = 39

So the factory produces 39 jars of peanut butter that contain less peanut butter than advertised.

2. Second, we need to find how many jars of peanut butter that contain less peanut butter than advertised in three 8 hour work days.

Lets add these work days together to find the total amount of hours: (8 + 8 + 8) = 24

So: three 8 hour work days totals to 24 hours

Since the factory produces 39 jars of peanut butter that contain less peanut butter than advertised per hour. Multiply (24 * 39) to find the total amount of jars produced in three 8 hour work days.

(24 *39) = 936

A total of 936 peanut butter jars are produced in three 8 hour work days that contain less peanut butter than advertised.

3. If you want to double check your work do the following.

Since the factory produces 1200 jars an hour and 24 hours total three 8 hour work days. Multiply (1200*24) = 28800

So there is a total of 28800 jars produced in three 8 hour work days.

Then you can multiply 28800 by 3.25% of jars that contain less peanut butter to find the total amount of peanut butter jars that contain less peanut butter in three 8 hour work days.

(28800 * .0325) = 936

7 0
3 years ago
Draw a rhombus of side 3 cm long and a square of side 3 cm long
pochemuha

Answer: i will tell you some other day

Step-by-step explanation:

6 0
3 years ago
Write and solve a problem finding the lateral area of an object shaped like a square pyramid.
Aleksandr [31]
Um do you have a picture that we can look at because we can't help you if we don't have a picture of the problem.

4 0
3 years ago
GEOMETRY If one point is located at (–6, 2) and another point is located at (6, –3), find the distance between the points.
notka56 [123]

Answer:

It should be 13 units.

Step-by-step explanation:

In the picture shown, the two red dots are the coordinates (-6, 2) and (6, -3). The smaller light blue dots is the distance from one red dot to the other red dot. I counted  17 units between the two and using a ruler, I  estimated 12 units. In conclusion, it should be roughly 13 units. I hope this helps! If this is not the right answer, I would love to recieve some feedback of what I did wrong! Thank you!

7 0
3 years ago
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