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nordsb [41]
3 years ago
14

Help Help Help ....... please answer this question fast fast......

Mathematics
2 answers:
ICE Princess25 [194]3 years ago
7 0

Answer:

5 m

Step-by-step explanation:

The volume (V) of a square based pyramid is

V = \frac{1}{3} Ah ( A is the area of base and h the height ), thus

\frac{1}{3} A × 12 = 100, that is

4A = 100 ( divide both sides by 4 )

A = 25

Hence s² = 25 ← s is the side of square base

Take the square root of both sides

s = \sqrt{25} = 5

Elan Coil [88]3 years ago
3 0

V = Ab·h : 3

100m³ = Ab·12m : 3

300m³ = Ab·12m

Ab = 300m³/12m

= 25m²

Ab = 25m² = L²

L = √25m²

L = 5m

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madreJ [45]
C is the answer I took a similar test
3 0
3 years ago
Are there any rules when solving compound inequalities?
zimovet [89]

Answer:

Yes bro

Step-by-step explanation:

To solve a compound inequality, first separate it into two inequalities. Determine whether the answer should be a union of sets ("or") or an intersection of sets ("and"). Then, solve both inequalities and graph.

7 0
3 years ago
???????anyone know...
RUDIKE [14]
The answer is:  " 60° " .
__________________________________________________________
     " m∠A = 60° " .
__________________________________________________________
Explanation:
__________________________________________________________

Note:  All triangles, by definition, have 3 (three) sides and 3 (three angles).

The triangle shown (in the "image attached") has three EQUAL side lengths.   Therefore, the triangle shown is an "equilateral triangle" and has 3 (three) equal angles, as well.

All triangles by, definition, have 3 (three) angles that add up to "180° " .

Since each of the 3 (three) angles is equal;  and the three angles are:  

  "∠A" , "∠B" , and "∠C" ;

We can find the measure of "∠A" ; denoted as:  "m∠A" ; as follows:
______________________________________________________
    m∠A  = 180° ÷ 3 = 60° .
______________________________________________________
The answer is:  " 60° " .
______________________________________________________
   m∠A = " 60° " .
______________________________________________________
7 0
3 years ago
Keelin wants to find the value of t in the equation 1/3 (15t-30) =50 Her work is shown below.
slavikrds [6]

Answer:

distrubutive

Step-by-step explanation:

7 0
3 years ago
Which expression represents x less than 9? A. x−9 B. 9−x C.−9x−9 D. 9x−9
LiRa [457]
The answer is B. 9 - x. I hope this helps!
7 0
3 years ago
Read 2 more answers
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