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svlad2 [7]
3 years ago
6

Solve for x: 2x + 5 = -7

Mathematics
2 answers:
zhannawk [14.2K]3 years ago
8 0


2x + 5 = -7

2x = -5 -7

2x = -12

x= -6


2(-6) + 5 = -7

-12 + 5 = -7

-7 = -7          True



miskamm [114]3 years ago
6 0
2x+5= -7
2 x -6 +5 = -7
-12 + 5=-7
-7 = -7

x=-6
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A ceiling light has a cross-section in the shape of a parabola. The parabola is 24 cm wide and 9 cm deep. The lightbulb is locat
Sedbober [7]

Answer:

  4 cm

Step-by-step explanation:

The equation of a parabola with its vertex at the origin can be written as ...

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The problem statement tells us that one point on the parabola is (x, y) = (12, 9). We can put these values into the equation and solve for p, the distance from the focus to the vertex.

  9 = 1/(4p)(12^2)

  9×4/144 = 1/p = 1/4 . . . . . . . . multiply by the inverse of the coefficient of 1/p

Then p = 4, and the bulb is 4 cm from the vertex.

4 0
3 years ago
The waterfall trail is 3/4 mile long at 1/6 of the distance from the shore head there is a workout in Miles how far is the looko
Komok [63]
1/6 of 3/4 mile = 1/6 * 3/4 = 1/8 = 0.125 mile

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4 0
3 years ago
Three friends each have some ribbon. Carl has 54 inches of ribbon,Tino has 13.5 feet of ribbon, and Baxter has 3.5 yards of ribb
deff fn [24]

Answer:

  342 inches, or 28.5 feet, or 9.5 yards

Step-by-step explanation:

It is perhaps easiest to start with all the dimensions in inches.

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And converting to yards, we get ...

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7 0
3 years ago
HELP???
mr Goodwill [35]
Need to take 25 mg times 18% then times it by 4 then times it again by .01

3 0
3 years ago
Will upvote<br><br> 4,7,12,19,31,... does this classify as a arithmetic, geometric, or neither
spayn [35]
To find if a series is either geometric or arithmetic:
it must satisfy this property:

Arithmetic:

a(n+1) - a(n) = const

Geometric:

a(n+1)/a(n) = const

In your case:

r1 = 7 -4 = 3

r2 = 12 - 7 = 5

r1 != r2  (not arirthmetic)

Geometric check:

r1 = 7/4

r2 = 12/7

r1 != r2  (not Geometric)

so neither. 


8 0
3 years ago
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