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Anna007 [38]
2 years ago
14

What are equivalent statements to a + 3 = 18 and 4 ∙ b = 32?

Mathematics
1 answer:
rosijanka [135]2 years ago
5 0

Answer:

a=18-3 and b=32÷8

Step-by-step explanation:

the first one

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Please complete the system of equations.
likoan [24]

Answer:

Step-by-step explanation:

Eliminate the y terms by adding the equations together:

-10y+9x = -9

10y+5x = -5

——————-

14x = -14

x = -1

y = 0

6 0
3 years ago
PLEASE HELP ASAP <3 Express as a trinomial (3x+5) (x+1) :)
Gennadij [26K]

Answer:

3x^2+8x+5

Step-by-step explanation:

(3x+5)(x+1)

3x(x+1)+5(x+1)        Distribute

3x(x+1)+5(x+1)        Distribute 3x(x+1)

3x^2+3x+5(x+1)        

3x^{2} +3x+5(x+1)         Distrbute 5(x+1)

3x^2+3x+5x+5            Combine like terms

3x^{2} +8x+5

3 0
2 years ago
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tino4ka555 [31]

Answer:

Hai

Step-by-step explanation:

Hai Saya Dari Indonesia

4 0
2 years ago
Need help with sigma notation
Solnce55 [7]

Answer:

  • 114126  

Step-by-step explanation:

The given expression describes the GP with

<u>The first term:</u>

  • t = 80(1.23²⁻²) = 80(1.23⁰) = 80

<u>The common ratio: </u>

  • r = 1.23

It is required to find the sum of the terms from 2 (the bottom number of sigma) through 29 (the top number of sigma)

The number of terms is

  • n = 29 - 2 + 1 = 28

The sum of the first 28 terms is

  • Sₙ = t(rⁿ - 1)/(r - 1)
  • S₂₈ = 80(1.23²⁸ - 1)/(1.23 - 1) = 114125.75573 ≈ 114126 (rounded)
7 0
2 years ago
What is the length of side AB? Round your answer to the nearest tenth.
ELEN [110]

Answer:

AB ≈ 2.8 units

Step-by-step explanation:

Calculate the length using the distance formula

d = √ (x₂ - x₁ )² + (y₂ - y₁ )²

with (x₁, y₁ ) = A(1, 1) and (x₂, y₂ ) = B(3, 3)

AB = \sqrt{(3-1)^2+(3-1)^2}

     = \sqrt{2^2+2^2}

     = \sqrt{4+4}

     = \sqrt{8} ≈ 2.8 units ( to the nearest tenth )

3 0
3 years ago
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