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Natali [406]
3 years ago
8

Two classes have a total of 50 students. One of the classes has 6 more students than the other. How many students are in the lar

ger class.
Mathematics
1 answer:
Lorico [155]3 years ago
5 0
I think it would be 29 students in the larger class

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The area of rectangle ABCD is 72. If point A and the midpoints of BC and CD are joined to form triangle, the area of that triang
vredina [299]

Answer:

  27

Step-by-step explanation:

Name the midpoint of BC point M and the midpoint of CD point N.

Triangle ABM has the 1/4 the area of the rectangle, 18. Triangle ADN also has 1/4 the area of the rectangle, 18. Triangle CMN has 1/8 the area of the rectangle, 9. That is, of the rectangle area, ...

  18 + 18 + 9 = 45

are not included in triangle AMN. So, the area of that triangle is ...

  72 -45 = 27 . . . . units²

_____

<em>Comment on the triangle area</em>

The triangle created by joining the midpoint of the side of a rectangle with an opposite vertex will have the same dimension as the rectangle in one direction (L), and half the dimension of the rectangle in the other direction (W). Thus, where the rectangle area is LW, the triangle area is (1/2)(L)(1/2W) = (1/4)LW, 1/4 the area of the rectangle.

Similarly, if the midpoints of adjacent sides are joined to form a triangle, the area of that is (1/2)(1/2L)(1/2W) = (1/8)LW, or 1/8 the area of the rectangle.

3 0
3 years ago
Please help <br> thanks !!
otez555 [7]

Answer:

x=7

7-4=3

7+2=9

Step-by-step explanation:

Triangle ABE and Triangle CDB are similar

4*3=12

ABE is 3 times bigger than CDB

3(x-4)=x+2

3x-12=x+2

2x-12=2

2x=14

x=7

7-4=3

7+2=9

6 0
3 years ago
Solve the following inequality and graph the solution set on the number line 2(x-3)-5x&lt;9
White raven [17]

Answer:

work is shown and pictured

4 0
3 years ago
Please help need answers ASAP! I will leave good reviews
ddd [48]

Answer: its not showing the

Step-by-step explanation:

8 0
3 years ago
Which statement must be true according to the box plot? The data is symmetric, and the lowest number of crackers in a package wa
LUCKY_DIMON [66]

Answer:

C

Step-by-step explanation:

The data is skewed, and the lowest number of crackers in a package was 7

7 0
3 years ago
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