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kirill115 [55]
3 years ago
6

What is the value of 5h(-2)+3g(0)?

Mathematics
2 answers:
lapo4ka [179]3 years ago
8 0

Answer:

  • -32

Step-by-step explanation:

<u>At x = -2, the h is calculated using the second piece::</u>

  • h(-2) = (-2 + 3)(-2 - 2) = -4

<u>At x = 0, the g is calculated using the first piece:</u>

  • g(0) = (0 + 1)² - 5 = 1 - 5 = -4

<u>The value of the given expression is:</u>

  • 5h(-2) + 3g(0) =
  • 5(-4) + 3(-4) =
  • -32
Ne4ueva [31]3 years ago
7 0
Answer: -10h

I just put it into the calculator
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ioda

Answer:

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Step-by-step explanation:

Please find the attachment.

Let h represent the height of the building.

We have been given that at 3:30 in the afternoon in mid-September the Kimball Tower casts a shadow about 290 feet long when the sun's rays come down at an angle about 35 degrees above the horizontal.    

We know that tangent relates opposite side of a right triangle to its adjacent side.

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Upon substituting our given values in above formula, we will get:

\text{tan}(35^{\circ})=\frac{h}{290}

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