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Nostrana [21]
3 years ago
11

Solve the system below by substitution. write the solution as a coordinate pair.

Mathematics
1 answer:
bonufazy [111]3 years ago
3 0

Answer:

x = 4      y = 7

Step-by-step explanation:

x + 3 = -1/2x + 9

x = -1/2x + 6

3/2x = 6

x = 4

y = (4) + 3

y = 7

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A true-false examination was constructed with the answers running in the following sequence: T F F T F T F T T F T F F T F T F T
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Answer:

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Step-by-step explanation:

lets use a significance level of = 0.1

<u> Determine if the sequence indicates randomness </u>

First step :

H0 : pattern is random

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n2 ( number of false answers ) = 10

also number of runs for T = 5

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Step-by-step explanation:

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scZoUnD [109]
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Which expression represents x2−12x+36 in factored form?
leonid [27]

<em><u>The factored form of given is:</u></em>

x^2 - 12x + 36 = (x-6)(x-6)

<em><u>Solution:</u></em>

Given that,

x^2 - 12x + 36

We have to find the factored form

From given,

x^2-12x+36\\\\\mathrm{Rewrite\:}36\mathrm{\:as\:}6^2\\\\x^2-12x+6^2\\\\\mathrm{Rewrite\:}12x\mathrm{\:as\:}2x\cdot \:6\\\\x^2-2x\cdot \:6+6^2\\\\\mathrm{Apply\:Perfect\:Square\:Formula}:\quad \left(a-b\right)^2=a^2-2ab+b^2\\\\a=x,\:b=6\\\\Therefore,\\\\x^2-12x+36 = \left(x-6\right)^2\\\\Which\ is\\\\x^2-12x+36 = (x - 6)(x - 6)

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igor_vitrenko [27]

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base times height times 1/2

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Read 2 more answers
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