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Ber [7]
3 years ago
5

The temperature falls from 0 degrees to -12.4 degrees in

Mathematics
1 answer:
vova2212 [387]3 years ago
4 0

Answer:

Step-by-step explanation:

The temperature falls from 0 degrees to -12.4

0-(-12.4) = 12.4

12.4/13.4 degree per hours

0.9185 degrees/ hour

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Marina86 [1]
Yes, as x grows by 1 y grows by -2 (or decreases by 2!)
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the sum of two numbers is -4 and their difference is -10. find the numbers. (translate to a system of equations and solve)
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The numbers are -7 and -3

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A coin is tossed. The probability of getting tails is 1?2. What is the likelihood of getting tails?
max2010maxim [7]

It’s a 50/50 chance since there is only 2 sides. (1?2)

5 0
3 years ago
3. How many solutions does the system of equations have? 2x=-10y+ 6 and x+5y=3
ozzi

Answer:

<h2>3. Infinitely many</h2>

Step-by-step explanation:

\left\{\begin{array}{ccc}ax+by=c\\dx+ey=f\end{array}\right\\\\(1)\\\text{if}\ a=d,\ b=e,\ c=f,\ \text{then the system of equations has infinitely many solutions}\\Example:\\\left\{\begin{array}{ccc}2x-3y=5\\2x-3y=5\end{array}\right\\(2)\\\text{if}\ a=d,\ b=e,\ c\neq f,\ \text{then the system of equations has no solution}\\Example:\\\left\{\begin{array}{ccc}2x-3y=5\\2x-3y=-5\end{array}\right

(3)\\\text{if}\ a\neq d\ \text{or}\ b\neq e,\ \text{then the system of equations has infinitely many solutions}\\Example:\\\left\{\begin{array}{ccc}x-3y=5\\2x-3y=5\end{array}\right

\text{We have:}\\\\\left\{\begin{array}{ccc}2x=-10y+6&\text{add 10y to both sides}\\x+5y=3\end{array}\right\\\left\{\begin{array}{ccc}2x+10y=6&\text{divide both sides by 2}\\x+5y=3\end{array}\right\\\left\{\begin{array}{ccc}x+5y=3\\x+5y=3\end{array}\right

4 0
4 years ago
Solve for x
alex41 [277]

Answer:

<em>10x + 50 =1 +5</em>

<em>10x=6-50</em>

<em>10x=-44</em>

<em>x=-4.4</em>

Step-by-step explanation:

4 0
3 years ago
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