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slava [35]
2 years ago
9

How would i round 42.42640687 to the nearest foot? Please help

Mathematics
1 answer:
N76 [4]2 years ago
6 0

Answer:

42, or 42.4 is round to the nearest tenth or 42.43 is round to the nearest hundreths

Step-by-step explanation:

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I need help and I will give brainliest to the person with the right answers and explanation
densk [106]

Answer:     Part A: y= -1200x +25000 this is because it decreases 1200$ a year that is your rate of change and it started at 25000 that is your y-intercept

                  Part B:  question a would be 46000$ because that’s where the zero is which is when he bought it question b is 3000$ because that is how much the table decreases with each year

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
An isotope decays at a rate of -0.0049% per year. Find the half life. (show the work)
cricket20 [7]

Answer:

  14,146 years

Step-by-step explanation:

The annual multiplier is (1 -0.0049%) = 0.999951. We want to find the number of times this needs to be multiplied to make the product 1/2.

  0.5 = 0.999951^t

  log(0.5) = t·log(0.999951)

  log(0.5)/log(0.999951) = t ≈ 14,145.514

The half-life is about 14,146 years.

7 0
3 years ago
Enrique makes $11.50 per hour and works 40 hours per week. He is single
FinnZ [79.3K]

Answer:

He makes 460 per week

Step-by-step explanation:

3 0
2 years ago
An engineering firm designs a custom hexagonal screw for a computer board. A sketch of the top of the screw is below. To the nea
Sphinxa [80]

The area of the screw head is 93.5m².

<h3>How to calculate the area?</h3>

The area of the hexagon can be illustrated based on the formula:

A = 3✓3/2 × a²

Base = 12.

Height = 3.

Area of each triangle = 0.5 × 12 × 3 = 18

Area of the rectangle = 12 × 6 = 72

Therefore the area of the screw head will be:

= 3√3/2 × 72

= 93.5m²

Learn more about area on:

brainly.com/question/25292087

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8 0
1 year ago
One length of a rectangular garden lies along a patio wall.​ However, the rest of the garden is enclosed by 32 feet of fencing.
Over [174]

Answer:

128 square feet

Step-by-step explanation:

Let the perimeter of the rectangular garden be expressed as 2(L+W)

L = length of the garden

W = width of the garden

If the length of the garden is twice its ​ width then L = 2W; W = L/2

P = 2(L+L/2)

Since the perimeter is L + 32 (One length of a rectangular garden that lies along a patio wall and the rest of the garden is enclosed by 32 feet of fencing.)

Substituting in the formula above:

32+L = 2(L+L/2)

32+L = 2L+L

32 = 2L

L = 16 feet

Since L = 2W

W = L/2 = 16/2

Width = 8 feet

Area of the garden = Length × Width

Area of the garden = 16×8

Area of the garden = 128 square feet

4 0
2 years ago
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