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2 years ago

3x + 8y + 13x ??? please help

Mathematics

2 answers:

GrogVix [38]2 years ago

5 0

Answer:

3x+8y+13x= 16x+8y= 8×(2x+y)

Sloan [31]2 years ago

3 0

Answer:

8(2x+y)

Step-by-step explanation:

Collect all the like terms to simplify. 13x+3x is 16x and theres only one y term so 16x+8y is the answer

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A right square pyramid is pictured below. if l is 15 cm and x is 18 cm, what is the surface area of the pyramid?

Nady [450]

Answer:

The surface area of square pyramid is 953.64 cm² .

Step-by-step explanation:

Given as for a square pyramid :

The height of pyramid = l = 15 cm

The base of square pyramid = x = 18 cm

Now,

The surface area of square Pyramid = $b^{2} + 2b\times \sqrt{\frac{b^{2}}{4}+h^{2}}$

or , The surface area of square Pyramid = $x^{2} + 2x\times \sqrt{\frac{x^{2}}{4}+l^{2}}$

Or, The surface area of square Pyramid = $18^{2} + 36\times \sqrt{\frac{18^{2}}{4}+15^{2}}$

Or, The surface area of square Pyramid = 324 + 36 × $\sqrt{81 + 225}$

or, The surface area of square Pyramid = 324 + 36 × 17.49

Or , The surface area of square Pyramid = 324 + 629.64 = 953.64 cm²

Hence The surface area of square pyramid is 953.64 cm² . Answer

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4 years ago

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nexus9112 [7]

Answer:

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4 years ago

Read 2 more answers

What is the value of (2^4) ^3 divided by 2^6

antoniya [11.8K]

Answer:64

Step-by-step explanation:

2*2*2*2=4*4=16. 16*16*16=4,096. 2*2*2*2*2*2=4*4*4=64. 4,096/64=64.

6 0

3 years ago

What are the explicit equation and domain for an arithmetic sequence with a first term of 7 and a second term of 3?

tino4ka555 [31]

<span>I am detailing it to show you how to calculate an explicite equation

Arithmetic Progression First term 7 , second 3 hence d=3-7 = - 4</span>

n=Term rank  ==>║    1     2     3     4     5     6     7......n
Value         ====>║    7     3    -1    -5    -9   -13   -17.......

a(n) (sub Notation║    a₁   a₂    a₃    a₄    a₅    a₆    a₇.....a(n)

Term 1 = a₁ = 7........................7-4(0)
Term 2 = a₂ = 3........................7-4(1)
Term 3 = a₃ = -1.......................7-4(2)
Term 4 = a₄ = -5.......................7-4(3)
Term 5 = a₅ = -9.......................7-4(4)
Term n = a(n) ============7-4(n-1)
So A. an = 7 − 4(n − 1); all integers where n ≥ 1

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4 years ago

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Answer:A = $156.83

Step-by-step explanation:

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3 years ago