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Sophie [7]
3 years ago
7

What formula do you use to find the area of a pyramid

Mathematics
2 answers:
dedylja [7]3 years ago
8 0

Answer and Step-by-step explanation:

To find the surface area of a pyramid, start by multiplying the perimeter of the pyramid by its slant height. Then, divide that number by 2. Finally, add the number you get to the area of the pyramid's base to find the surface area.

Novosadov [1.4K]3 years ago
3 0

Answer: A=l*w+l\sqrt{(\frac{w}{2})^2+h^2 }+w\sqrt{(\frac{l}{2})^2+h^2 }

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Which expressions are equivalent to -6n + (-12) + 4n ?
raketka [301]
The expression equivalent to the fort is a) 4(n-3) -6n, if you so the math for the first one do what is inside the parenthesis first. (think PEMDAS) Parenthesis, Exponents, Multiplication, Division, Addition, and Subtraction. So the first thing it gives you is -6n +(-12) Well, a negative + a negative = a negative! So, -6+-12= -18, then add your caroable. So, -18n. Now, you add -18n with what you have left so 4n -18+4 is -14n. So, if you do answer a) (n-3) = (1n-3)= (1-3) =-2. -2×4=-8n because a negative × a positive = a negative because they have different signs. From there you have -8n - (6) Instead of subtracting you just add a negative So, you would rewrite your problem as: -8n+(-6)= -14n the same thing you got as your orginal. Hope tj
his helped! Don't forget about adding you variables and PEMDAS!! Also d po not forget about your positive a negative rules!!!
4 0
3 years ago
Read 2 more answers
X = ????????? Geometry
bazaltina [42]

Answer:

\boxed{x = 6}

Step-by-step explanation:

Using Chord-Chord Power theorem:

=> (2)(x) = (4)(3)

=> 2x = 12

Dividing both sides by 2

=> x = 6

7 0
3 years ago
Ashton is depositing money into a checking account. After 3 months there is $120 in the account. After 6 months, there is $240 i
Talja [164]

The constant rate of change of the account is $40 or Increasing by $40 per month.

Step-by-step explanation:

Consider the provided information.

Joanne is depositing money into a bank account. After 3 months there is $120 in the account. After 6 months there is $240 in the account.

Rate of change is known as how one quantity change in relation to other.

The rate of change can be calculated as:

y2-y1/x2-x1  

Now use the above formula to calculated the rate of change.

240 - 120/6-3

120/3

40

Hence, the constant rate of change of the account is $40 or Increasing by $40 per month.

8 0
2 years ago
If <br> 15=27<br> 12=21<br> 31=59<br> 24=45<br> then <br> 41=?
aleksley [76]

Answer:

41=79 41 is equal to 79.

3 0
3 years ago
Sara bought a new doll at a 20% off sale and saved $12. What was the regular price of the doll?
nordsb [41]

Answer:

regular price = $15

Step-by-step explanation:

Represent the regular price by d.  Then the discount was 0.20d, and the sale price was (1 - 0.20)d, or 0.80d, which is $12.

Solving for d, we divide both sides by 0.80:

d = regular price = $15

5 0
2 years ago
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