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stira [4]
3 years ago
8

When steve woke up. his temerature was 102. two hours later it was 3 lower what is his temerature now?

Mathematics
1 answer:
valentina_108 [34]3 years ago
8 0
Steve's original temperature - 102

2 hours later it dropped 3 degrees

102 - 3 = 99

Steve's current temperature is 99.
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If postage costs $.54 the 1st ounce and $.22 for each additional ounce calculate the cost of mailing a 10 ounce envelope.
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0.54+(0.22*9) is equal to 2.52
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Marcos is flying a kite 35 feet above an oak tree. The angle of elevation to the top of the tree is 16 degrees and the angle of
Elza [17]

9514 1404 393

Answer:

  195 ft

Step-by-step explanation:

The relationship between the horizontal distance, angle, and vertical height is given by ...

  Tan = Opposite/Adjacent

Referring to the attached diagram, we have ...

  tan(16°) = BT/MB

  tan(25°) = BK/MB

Solving for BT and BK, we can describe their difference as ...

  BT = MB·tan(16°)

  BK = MB·tan(25°)

  BK -BT = 35 = MB(tan(25°) -tan(16°))

Dividing by the coefficient of MB gives ...

  MB = 35/(tan(25°) -tan(16°)) = 35/0.179562

  MB = 195 . . . feet

Marcos is standing 195 feet from the base of the tree.

3 0
3 years ago
Solve the boundary value problem <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bd%5E%7B2%7Dy%7D%7Bdx%5E%7B2%7D%7D%20%2B%204%20%5
Sonja [21]
Characteristic equation:

r^2+4r-5=(r+5)(r-1)=0\implies r=-5,r=1

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Given that y(0)=0 and y\left(\dfrac\pi2\right)=1, you have

\begin{cases}0=C_1+C_2\\1=C_1e^{-5\pi/2}+C_2e^{\pi/2}\end{cases}\implies C_1=\dfrac{e^{5\pi/2}}{1-e^{3\pi}},C_2=-\dfrac{e^{5\pi/2}}{1-e^{3\pi}}

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MatroZZZ [7]

Answer:

a)Rice => 1/4

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Step-by-step explanation:

Lets say the farmers field was in a square shape. Now divide this square into 4 parts.

Now, each part is 1/4

So, half of his field is for wheat cultivation, i.e., 1/4 + 1/4 = 2/4 = 1/2

So, the other half is for rice and vegetables

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