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DENIUS [597]
3 years ago
6

The value of x is 40 but how do I get that I need to show work ?

Mathematics
1 answer:
Butoxors [25]3 years ago
6 0

Answer:

120 ÷ 3 = 40

Step-by-step explanation:

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F(x)=x²-3x-2 then f(-1) is given by​
evablogger [386]

Answer:

f(-1) = 2

Step-by-step explanation:

To evaluate this function at x = -1, replace "x" in the equation with (-1) (you should use the parentheses as indicated here).

f(x)=x²-3x-2 becomes

f(-1)=(-1)² - 3(-1) -2, or

f(-1) = 1 + 3 - 2, or

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What values of x and y satisfy -13/3 x-2 y=7 and 3x+2/5 y=5 simultaneously?
Aloiza [94]
Multpiply first equation by 3 and second by 5 to clear nasty faractions

-13x-6y=21
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<u>45x+6y=75 +</u>
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sub back
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y=-10

x=3
y=-10
(3,-10)
3 0
3 years ago
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