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goblinko [34]
3 years ago
12

Question explains itself in the picture.

Mathematics
1 answer:
borishaifa [10]3 years ago
4 0

Answer:

30 cm

Step-by-step explanation:

<u>Area of a triangle formula:</u>

A = 0.5bh

<u>Given:</u>

b = 12

c = 5

<u>Work:</u>

A = 0.5bh

A = 0.5(12)(5)

A = 6(5)

A = 30

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3x-9=3(x-3) how many solutions​
Colt1911 [192]

Answer:

All Real Numbers

Step-by-step explanation:

Step 1:

3x - 9 = 3 ( x - 3 )        Equation

Step 2:

3x - 9 = 3x - 9       Multiply

Step 3:

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Answer:

All Real Numbers

Hope This Helps :)

4 0
2 years ago
Explain what |-13| means and how to simplify.
poizon [28]

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Hope this helped!

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4 0
3 years ago
Read 2 more answers
The square floor of a tent has an area of 49sq. feet. What is the length of the side of the tent?
valina [46]
The area of a square is equal to s^2 where s is the length of one side.

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Root both sides to isolate the variable.

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8 0
3 years ago
Expand<br> (3a – 5b)(2a +36)
olga_2 [115]

Answer:

6a^2+108a-10ab-180b

Step-by-step explanation:

4 0
3 years ago
Triangle DEF is a right triangle. What is the measure of ZEFD?<br> D<br> 57°<br> F<br> E
creativ13 [48]

Answer:

<h3>                33°</h3>

Step-by-step explanation:

Sum of measures of angles in any triangle is 180°

The maesure of right angle is 90°

So:  m∠EFD = 180° - 90° - 57° = 33°

6 0
3 years ago
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