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Kisachek [45]
3 years ago
13

HELP PLEASE!!!

Mathematics
1 answer:
Stells [14]3 years ago
5 0
140cm. I hope this is correct. Please mark brainilest if it is! Have a great day!
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7 0
3 years ago
the area of a triangle is 124 square units. what would it's new area be if its base was half as long and its height was three ti
Montano1993 [528]
To solve this problem you must apply the proccedure shown below:

 1. You have that the formula for calculate the area of a triangle is:

 A=bh/2

 Where A is the area of the triangle, b is the base of the triangle and h is the height of the triangle.

 bh/2=124
 bh=124x2
 bh=248

 2. The problem asks for the new area of the triangle <span>if its base was half as long and its height was three times as long. Then, you have:

 Base=b/2
 Height=3h

 3. Therefore, when you substitute this into the formula for calculate the area of a triangle, you obtain:

 A'=bh/2

 (A' is the new area)

 A'=(b/2)(3)/2
 A'=3bh/4

 4. When you substitute bh=248 into </span>A'=3bh/4, you obtain:
<span>
 A'=186 units</span>²
<span>
 The answer is: </span>186 units²
3 0
4 years ago
Five dices are tossed together, what is the total number of outcome expected from this experiment?
Serga [27]
The total number of outcomes would be 6 ;) Hope this helps!
3 0
3 years ago
What is BC ?<br><br> Enter your answer in the box.
stiks02 [169]
Mathematically it would be 8 since BE=CE and CE=4. 
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5 0
3 years ago
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