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pav-90 [236]
3 years ago
7

2x minus y equals 6, x plus y equals negative 3

Mathematics
1 answer:
kap26 [50]3 years ago
8 0

Answer:

y=-4, x=1

Step-by-step explanation:

2x-y=6                  x+y=-3

2(-3-y)-y=6            x=-3-y

-6-2y-y=6              x=-3+4

-3y=12                    x=1

y=-4

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m_a_m_a [10]
I would say c because FE is a radius BA i think is a chord and EC isn't even a line 

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3 years ago
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What is the nth term rule of the linear sequence below?<br> 13, 7, 1, -5, -11,...
skad [1K]

Answer:

aₙ = a₁ - 6* (n-1)

Step-by-step explanation:

a₁ = 13 = 13 - 6* (1-1)

a₂ = 7 = 13 - 6 * 1 = 13- 6*(2-1)

a₃ = 1 = 7 - 1 = 13 - 6 * 2 = 13 - 6 * (3-1)

........

aₙ = a₁ - 6* (n-1)

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8 0
2 years ago
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You invested ​$26,000 in two accounts paying 2% and 3% annual​ interest, respectively. If the total interest earned for the year
mihalych1998 [28]

Answer:

You invested $22,000 in two accounts paying 3% and 5% annual interest, respectively. If the total interest earned for the year was $980, how much was invested at each rate?

Step-by-step explanation:

let x=amt invested at 3% rate of interest.

22000-x=amt invested at 5% rate of interest.  

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x=6000

22000-x=16000

amt invested at 3% rate of interest=$6,000

amt invested at 5% rate of interest=$16,000

<h2><em><u>Hope iit help you mark as Brainlist</u></em></h2>
7 0
2 years ago
I need help with math please
Dennis_Churaev [7]

Answer:

47/30

Step-by-step explanation:

2.35 * 2/3 =

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5 0
2 years ago
Draw a double number line to solve the following rate problem.
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The ratio here is

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--------------------    Now equate this to    -----------------
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Solving this equation, (3/4)x = 6, and x = 8 (eggs)   (answer)


Check:  Note that 3/4    /    1    =   6  /   8
5 0
3 years ago
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