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strojnjashka [21]
3 years ago
12

How many solutions does this linear system have? y = 2x-5 -8x – 4y = -20

Mathematics
1 answer:
krek1111 [17]3 years ago
7 0

Answer:

it has only 1 solution

Step-by-step explanation:

(the lines only intersect once)

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a person goes from a sauna at 115°F to an out side temperature of -30°F. what is the change in temperature?
Oksana_A [137]

Whenever you're interested in computing the (absolute) difference between two values of a certain variable, you have to subtract the final value and the initial value. This is often written as delta:

\Delta x = x_{\text{final}} - x_{\text{initial}}

So, in this case, the final temperature is -30°F. The initial temperature is 115°F. So, the variation is

\Delta T = T_{\text{final}} - T_{\text{initial}} = -30 - 115 = -145

A negative delta indicates that the value decreased, which is our case.

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laila [671]
For the 3 days he ran a total of :  3 * 900 = 2700 meters.

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Option C.
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Independent Practice
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Answer: THE ANSWER IS D. Yes; no value in the domain corresponds to more than one value in the range.

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Determine if the relation is a function.

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