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Blizzard [7]
3 years ago
5

#1. please help me with my math Select All

Mathematics
1 answer:
beks73 [17]3 years ago
8 0

Answer:

B.) - ⅖ -⁴⁄₃ᵖ and

D.) -⁴⁄₃ᵖ + (- ⅖)

Step-by-step explanation:

-⁴⁄₃ᵖ - ⅖ is equivalent to - ⅖ -⁴⁄₃ᵖ and -⁴⁄₃ᵖ + (- ⅖)

Thus, The answer is - ⅖ -⁴⁄₃ᵖ and -⁴⁄₃ᵖ + (- ⅖)

<u>-TheUnknownScientist</u>

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On a blueprint the length of a wall is 5 centimeters. If the actual length of the wall is 15 feet, what is scale of the blueprin
Ludmilka [50]

Answer:

The wall is 90 meters wide.

Step-by-step explanation:

1. set up and solve a proportion to find the value of w like this:

1cm=6cm

15m=wm

2. cancel out the like units on both sides of the equation

1=6

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3. Equate the cross products, and then solve for w:

1*w=15*6

w=90                                                                                                                                          The actual width of the wall is 90 meters.

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3 years ago
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Dahasolnce [82]

Answer: c

Step-by-step explanation:

Because it makes sense to me

3 0
4 years ago
The family of functions y = ce^{-2x} + e^{-x} is solution of the equation y' + 2y = e^{-x}. Find the constant c which defines th
Rufina [12.5K]

Answer:

c = 1190.2

Step-by-step explanation:

We have the following solution:

y(x) = ce^{-2x} + e^{-x}

We want to find the value of x that satisfies the following condition:

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This means that when x = 3, y = 3. So

y(x) = ce^{-2x} + e^{-x}

y(3) = ce^{-2*3} + e^{-3}

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3 = ce^{-6} + 0.0498

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c = \frac{2.9502}{e^{-6}}

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3 years ago
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