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Helen [10]
3 years ago
7

The equation y = 1.55x + 110,419 approximates the total cost, in dollars, of raising a child in the United States from birth to

17 years, given the household’s annual income, x.
Approximately how much would it cost to raise a child from birth to 17 years in a household with an annual income of $64,000?
A )$209,619
B )$186,302
C $164,219
d) $99,200
Mathematics
1 answer:
Elina [12.6K]3 years ago
7 0

Answer:

A) $209,619

Step-by-step explanation:

y = 1.55x + 110,419

y = 1.55(64,000) + 110,419

y = 99,200 + 110,419

y = 209,619

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I am Lyosha [343]

The surface area of the triangular prism is 135 feet squared

<h3>How to find the surface area of a triangular prism?</h3>

The surface area of a triangular prism is the sum of the area of the whole faces.

Therefore, it has 3 rectangular faces and two triangular faces

area of triangle = 1 / 2 bh

where

  • b = base
  • h = height

Therefore,

area of the triangle = 1 / 2 × 2.5 × 6 = 7.5 ft²

area of rectangle = lw

where

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Therefore,

area of rectangle 1 = 8 × 2.5 = 20 ft²

area of rectangle 2 = 8 × 6 = 48 ft²

area of rectangle 3 = 8 × 6.5 = 52 ft²

Therefore,

surface area = 7.5 + 7.5 + 20 + 48 + 52 = 135 ft²

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3 years ago
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Step-by-step explanation:

4a when a=7

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