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Mrrafil [7]
3 years ago
12

Help me I’m begging you please

Mathematics
1 answer:
sertanlavr [38]3 years ago
7 0

Answer:

Air pressure = 4.6\frac{\text{lb}}{\text{in}^{2} }

Step-by-step explanation:

Relationship between air pressure and altitude can be modeled by,

P = 14.7e14.7e^{-0.00004h}

Where P = Air pressure

and h = altitude above the sea level

Air pressure on Mount Everest having altitude = 29028 feet abve the sea level will be,

P = 14.7e^{-0.00004\times 29028}

  = 14.7\times e^{-1.16112}

  = 4.603

  ≈ 4.6 \frac{\text{lb}}{\text{in}^{2} }

Therefore, air pressure on Mount Everest = 4.6 \frac{\text{lb}}{\text{in}^{2} }

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Triangles IJK and LMN are similar. Find y using proportions. Explain and show all your steps.
Deffense [45]

Triangles IJK and LMN are similar. Then, the proportion between their similar sides must be equal. That is:

IJ/ML = JK/MN = IK/LN

where:

IJ = x

JK = 54

IK = y

MN = 42

ML = 28

NL = 35

In order to find the value of y, you consider the equation JK/MN = IK/LN, and solve for y, just as follow

JK/MN = IK/LN replace by the values

54/42 = y/35 multiply both sides by 35

(54/42)(35) = y

45 = y

Hence, y = 45

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1 year ago
Solve for p and simplify
nadezda [96]

Answer:

8

Step-by-step explanation:

-\dfrac{1}{2} + p = \dfrac{5}{8}

Add 1/2 to both sides.

-\dfrac{1}{2} + p + \dfrac{1}{2} = \dfrac{5}{8} + \dfrac{1}{2}

p = \dfrac{5}{8} + \dfrac{4}{8}

p = \dfrac{9}{8}

7 0
3 years ago
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In Zachs class 3/5 of the 25 students are boys. How many boys are in Zachs class?
LUCKY_DIMON [66]

Answer:

15

Step-by-step explanation:

(3/5)*25=15

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3 years ago
How does the rate of change vary from point to point?
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\bf (\stackrel{x_1}{28}~,~\stackrel{y_1}{16})\qquad (\stackrel{x_2}{16}~,~\stackrel{y_2}{12}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{12-16}{16-28}\implies \cfrac{-4}{-12}\implies \boxed{\cfrac{1}{3}}

8 0
3 years ago
Help me I don’t know the answer
Vika [28.1K]

Answer:

It is C and D :)

Step-by-step explanation:

Each input is multiplied by 2 to get the output which is why it is C. The coordinates are just the input as the X value and the output as the Y value, which is why it is also D.

Hope this helps can I have brainliest pls

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