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attashe74 [19]
3 years ago
9

What is the area of the trapezoid and how do you find it?

Mathematics
2 answers:
seraphim [82]3 years ago
8 0
You can use the formula 2(a+b2(\frac{a+b}{2} )
This will get you 161.5 ft

:)
Furkat [3]3 years ago
6 0
A= a+b/2 H Find it by take the sum of its bases, multiply the sum by the height of the trapezoid, and then divide the result by 2.
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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

3 0
1 year ago
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Worth a lot of points!
Alla [95]

Answer:

15a² + 21a + 19 = 0

Step-by-step explanation:

Given

(4a + 3)² = (a + 5)(a - 2)

(4a + 3)(4a + 3) = (a + 5)(a - 2 ) ← expand both sides using FOIL

16a² + 24a + 9 = a² + 3a - 10 ( subtract a² + 3a - 10 from both sides )

16a² - a² + 24a - 3a + 9 + 10 = 0 ← collect like terms

15a² + 21a + 19 = 0

8 0
2 years ago
Show your work for 11-12
Troyanec [42]

Answer:

11.

5x=3x+28

5x=3x+282x=28

5x=3x+282x=28x=14

12. Image

Step-by-step explanation:

<u>Please give brainliest if I helped! :)</u>

6 0
2 years ago
what is the explicit formula for a sequence for which the first five terms are 0, 0, 1, 5, and 23? an = (n – 1)! – 1 an = (n – 1
SIZIF [17.4K]
a_1=0;\ a_2=0;\ a_3=1;\ a_4=5;\ a_5=23\\\\Answer:\\\\a_n=(n-1)!-1\\becouse\\a_1=(1-1)!-1=0!-1=1-1=0\\a_2=(2-1)!-1=1!-1=1-1=0\\a_3=(3-1)!-1=2!-1=1\cdot2-1=2-1=1\\a_4=(4-1)!-1=3!-1=1\cdot2\cdot3-1=6-1=5\\a_5=(5-1)!-1=4!-1=1\cdot2\cdot3\cdot4-1=24-1=23
7 0
3 years ago
8. SOLVE THE EQUATION BELOW
Naddik [55]

Answer:

E) m/(kp²)=n Gorilla Costumes

Step-by-step explanation:

m/(np²)=k

m=knp²

m/(kp²)=n

E) m/(kp²)=n Gorilla Costumes

8 0
3 years ago
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