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Anni [7]
3 years ago
11

Henry is standing on a catamaran at an elevation of 10 1010 feet relative to sea level. His friend Thomas is scuba diving at an

elevation of − 12 1 2 −12 2 1 ​ minus, 12, start fraction, 1, divided by, 2, end fraction feet relative to sea level. Which friend has greater elevation? Choose 1 answer: Choose 1 answer: (Choice A) A Henry (Choice B) B Thomas Which friend is farther from sea level? Choose 1 answer: Choose 1 answer: (Choice A) A Henry (Choice B) B Thomas
Mathematics
1 answer:
mario62 [17]3 years ago
6 0

Answer:

A.) Henry

B.) Thomas

Step-by-step explanation:

Given the following :

Henry's elevation = 10feets relative to sea level

Thomas elevation = -12 1/2 that is (-25/2) feet relative to sea level

Person with greater elevation:

Elevation can be described as height, in this case, the sea level used as the reference point. Therefore, a positive distance denotes an elevation above the reference point (which is the sea level). Therefore, Henry has a greater elevation of 10 feet( a distance above 0).

B) Who is farther from sea level:

This can be calculated by comparing the absolute distance between the elevation of both Henry and Thomas relative to the reference point(sea level)

Take reference point as 0

Absolute distances relative to sea level:

Henry's distance | 10 - 0 | = 10

Thomas's distance | -(25/2)- 0 | = 12 1/2

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A model rocket is launched with an initial upward velocity of 138 ft/s. The rocket's height h (in feet) after 1 seconds is given
insens350 [35]

Answer:

t = 8.017 or 0.608 (nearest hundredth)

Step-by-step explanation:

h = 138t-16t^2

when h = 78:

\implies 138t-16t^2=78

\implies 16t^2-138t+78=0

Using quadratic formula:

t=\dfrac{138 \pm\sqrt{(-138)^2-(4 \cdot 16 \cdot 78)} }{2 \cdot 16}

\implies t=\dfrac{138 \pm\sqrt{14052} }{32}

\implies t=8.017, t = 0.608

8 0
2 years ago
Calculate 936 divided by 36 show your working out
Tema [17]
To do this without a calculator, the best method would be chunking.

Minus 36 from 936 in groups of ten until a smaller number is reached; record the number in each group.

936 - (10 x 36)
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576 - (10 x 36)
576 - 360 = 216

216 - (5 x 36)
216 - 180 = 36

36 - (1 x 36)
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Add up all the bold numbers

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3 0
3 years ago
(b). The tallest player is replaced by a substitute.
prisoha [69]
The height for substitution is 78
7 0
2 years ago
For what values of 0 is sin 0< cos0 when 0_<0< pie
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Answer:

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Step-by-step explanation:

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6 0
3 years ago
I will like to know how to solve this
nikitadnepr [17]

1 + 4x = -5 + 7x

<u>   -4x  </u>    <u>    - 4x </u>

 1       = -5 + 3x

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Answer: x = 2

4 0
3 years ago
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