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zhannawk [14.2K]
2 years ago
9

Consider the linear system of equations

Mathematics
1 answer:
Helen [10]2 years ago
8 0

Answer:

x=2,   y=3,   z=-14

Step-by-step explanation:

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Find the area with Heron's formula pls help !
KatRina [158]

Answer:

3320in²

Step-by-step explanation:

heron formula = √s(s-a)(s-b)(s-c)

 when s = (a+b+c)/2

s =  (16+35+25)/2 = 76/2 = 38

heron formula = √s(s-a)(s-b)(s-c)  =  √78(78-16)(78-35)(78-25) = √78(62)(43)(53) = √11021244 = 3319.82589905≈3319.8in²(nearest tenth)

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3 years ago
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Lady bird [3.3K]

Answer:

x must equal 5 and y must equal 2

therefore,

5a + 2b = 23 and

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I'm gonna take 5a + 2b = 23 and add 7 to each side:

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and substitute 5a -2b in for 7 on the left side:

5a + 2b + (5a-2b) = 30

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Now we know a. Now take

5a -2b = 7

and substitute in 3 for a

5*(3) - 2b = 7

15 -2b = 7

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Step-by-step explanation:

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3 years ago
What is 2 divided by 1386
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Lol its <span>0.00144300144</span>
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I need help with this math question due today
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Answer:

Please take a picture and ask it again, it had failed to access it.

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5a - 5b is it monomial binomial trinomial
svetoff [14.1K]

Binomial

A monomial is just one term. A binomial is two monomials added or subtracted together. A trinomial is three monomials added or subtracted together.

5 0
3 years ago
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