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Jlenok [28]
3 years ago
13

The art teacher has 30 boxes of crayons with 16 cans in each box she gives the students 10 of the boxes to use explain how to fi

nd the number of crayons that the teacher has left
Mathematics
1 answer:
Mamont248 [21]3 years ago
3 0
I'm going to assume you meant crayon instead of can:

First step is to find how many boxes she/he has left.

30 - 10 = 20 

So the teacher has 20 boxes left;

Now, knowing that each box has 16 crayons, then we simply multiply the 20 by 16 to find the total number of crayons left over:

20 x 16 = 320 

So the art teacher has 320 crayons left over.

Hope this helps!

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Help<br><br> Determine which equation is parallel to line jk and which is perpendicular to line jk.
alukav5142 [94]

Answer:

5x + 3y = 13 parallel.

6x - 10y = 7 perpendicular.

Step-by-step explanation:

Two lines with slopes m_1 and m_2 are parallel when m_1=m_2 and are perpendicular when m_1*m_2=-1

Now determine the slope of all the lines

The line jk passes through the points

(-5,5) and (1,-5) so its slope is

\frac{-5-5}{1-(-5)}=\frac{-10}{6}=-\frac{5}{3}

To determine the slope of the lines in the blue rectangles, isolate y from each one and the coefficient of x is the slope

5x-3y = 8 ------> y = (5/3)x + 8/3 ------> slope 5/3

Neither parallel nor perpendicular.

6x+10y = 11 ------> y = (-6/10)x + 11/10 = (-3/5)x + 11/10 ------> slope -3/5

Neither parallel nor perpendicular.

5x + 3y = 13 ------> y = (-5/3)x + 13/3 ------> slope -5/3

This line is parallel

6x - 10y = 7 ------> y = (6/10)x - 7/10 = (3/5)x -7/10 ------> slope 3/5

Since (-5/3)(3/5) = -1 this line is perpendicular.

8 0
2 years ago
What is 52,642 rounded to the nearest thousand
valkas [14]
2 represents the thousands. Round the number after 2 which is 6. Since 6 is greater than 5, you round it up and you get 53,000.
8 0
3 years ago
The question is on the picture included
Alexxx [7]
The next step is to draw an arc with center E.

4 0
2 years ago
Who is this?
Nastasia [14]

Answer

ALL OF THE ABOVE

8 0
2 years ago
Read 2 more answers
Find the domain and range pls!
skad [1K]
Domain should be, (-♾️,♾️)
And range should be, (-♾️, 2)

If you ment something other then this please message me so I can help!
4 0
2 years ago
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