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Dafna11 [192]
3 years ago
13

Im so sorry yall!!!!!

Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
6 0
Can you take a better pic sorry if I sound rude it’s not clear
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Identify the lateral area and surface area of a regular square pyramid with base edge length 11 cm and slant height 15 cm, round
Ann [662]

The surface area of the square pyramid is: 451 cm²

The lateral surface area of the square pyramid = 330 cm²

<h3>What is the Lateral Surface Area and Surface Area of a Square Pyramid?</h3>

Surface area = a² + 2al, where a is the base edge and l is the slant height.

Lateral Surface Area =  2al.

Given the following:

  • a = 11 cm
  • l = 15 cm

Surface area = a² + 2al = 11² + 2(11)(15)

Surface area = 451 cm²

Lateral Surface Area =  2al = 2(11)(15)

Lateral Surface Area = 330 cm²

Learn more about square pyramid on:

brainly.com/question/3688277

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2 years ago
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o-na [289]
(y-k)²/a² + (x-h)²/b² = 1
Vertices being : A(0,1) & B(0, - 9), means that h=0

Let's calculate k: Af₁ + Af₂ = |2+8| = 2a = 10 → a=5 (f₁ and f₂ = focii)
1) a = 10 (WRONG) since a =5
2) h=3 (WRONG) since h =0
3) k =0 (WRONG) since k =5
4) b = 4 RIGHT; PROOF:
we know that : c² = a² - b²
c= 3 & a = 5 then → 3² = 5² - b²
9 = 25 - b²
b² = 25-9 = 16 and b = 4
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3 years ago
-(-x) when x=-17<br><br> Is the answer 17 or -17 ?
aleksley [76]

Answer:

-17

Step-by-step explanation:

-(-x)

This simplifies to positive x

x

Let x = -17

-17

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Drag each pair of rates to the correct location on the table.
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1/8 is in it 3/2 if that is it

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A skateboarding ramp is 13 inches high and rises at an angle of 12 degrees. How long is the base of the ramp?
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144 + 13 !!!!!!!!!!!!!!!
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