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Paraphin [41]
3 years ago
13

Find 12 +13 - (-9)+(-19.4) +3.3

Mathematics
2 answers:
Rina8888 [55]3 years ago
5 0

Answer:

17.9

Step-by-step explanation:

You could use PEMDAS but you don't really need to because this is just adding an subtracting.

Ket [755]3 years ago
3 0

Answer: 17.9

Step-by-step explanation:

25−(−9)−19.4+3.3

=34−19.4+3.3

=14.6+3.3

=17.9

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-20 gallons per minute

Step-by-step explanation:

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3 years ago
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Can someone please help?? what’s the measure of the vertex angle
maw [93]

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120 deg

Step-by-step explanation:

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2 years ago
Is the relation shown in the arrow diagram a function?
Irina-Kira [14]

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4 0
2 years ago
-15=-4m+5<br><br>8n+7=31<br><br>-10=10(k-9)
Korolek [52]
-15=-4m+5\ \ \ |both\ sides\ /+4m\\\\4m-15=5\ \ \ \ |both\ sides\ /+15\\\\4m=20\ \ \ \ |both\ sides\ /:4\\\\\underline{\underline{m=5}}

=========================================================

8n+7=31\ \ \ \ |both\ sides\ /-7\\\\8n=24\ \ \ \ |both\ sides\ /:8\\\\\underline{\underline{n=3}}

=========================================================

10(k-9)=-10\ \ \ \ |both\ sides\ /:10\\\\k-9=-1\ \ \ \ |both\ sides\ /+9\\\\\underline{\underline{k=8}}
6 0
3 years ago
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The equation for the horizontal line that contains the point E(3, –4)?
Effectus [21]
The slope of a  horizontal line will have a value equal to 0: 
m=0
Point-slope form of a line: we need a point (x₀,y₀) and the slope "m".
y-y₀=m(x-x₀)

We have a point ( E(3,-4) ) and the slope of this line (m=0); therefore:y
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y=-4

Answer: the equation for the horizontal line that contains the point E, would be:
y=-4
7 0
3 years ago
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