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DochEvi [55]
2 years ago
6

in a certain country the life expectancy of a woman born in 1995 was 80.2 years. Between 1995 and 2005, the life expectancy incr

eased 0.4 year every 5 years.
Mathematics
1 answer:
Taya2010 [7]2 years ago
3 0
The life expectancy would increase by 0.8 by 1995 to 2005 so a woman would be alive on average 81 years by 2005
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Second to last question, Find I<br> 50 points
ahrayia [7]

Since this is a right triangle, we can use one of the three main trigonometric functions: sine, cosine, or tangent.

Remember: SOH-CAH-TOA

Looking from angle I, we know the opposite side and the hypotenuse. Therefore, we should use sine.

sin(I) = \frac{\sqrt{39}}{\sqrt{51}}

To solve, you can use your calculator and the inverse sine function (sin^-1).

I = sin^-1(\frac{\sqrt{39}}{\sqrt{51}})

I = 61 degrees

Hope this helps!

5 0
3 years ago
Read 2 more answers
Guys plz help me!!!!!!!!
Rainbow [258]

Answer:

63.62

Step-by-step explanation:

3 0
1 year ago
An Archer shoots an arrow horizontally at 250 feet per second. The bullseye on the target and the arrow are initially at the sam
Genrish500 [490]

Answer:

<h2>1.84feet</h2>

Step-by-step explanation:

Using the formula for finding range in projectile, Since range is the distance covered in the horizontal direction;

Range R = U\sqrt{\frac{H}{g} }

U is the velocity of the arrow

H is the maximum height reached = distance below the bullseye reached by the arrow.

R is the horizontal distance covered i.e the distance of the target from the archer.

g is the acceleration due to gravity.

Given R = 60ft, U = 250ft/s, g = 32ft/s H = ?

On substitution,

60 = 250\sqrt{\frac{H}{32}} \\\frac{60}{250} = \sqrt{\frac{H}{32}}\\\frac{6}{25} = \sqrt{\frac{H}{32}

Squaring both sides we have;

(\frac{6}{25} )^{2} = (\sqrt{\frac{H}{32} } )^{2} \\\frac{36}{625} =  \frac{H}{32} \\625H = 36*32\\H = \frac{36*32}{625} \\H = 1.84feet

The arrow will hit the target 1.84feet below the bullseye.

5 0
3 years ago
A rental car company charges $42.72 per day to rent a car and $0.10 for every mile driven. Zoey wants to rent a car, knowing tha
Colt1911 [192]

Answer:

7 Days

Step-by-step explanation:

Miles cost:

$0.10 * 200 = $20


Daily Cost

Her budget at this point is $330 because $350 - $20 (the miles)

$330 / 42.72  = Roughly 7.72

Therefore Zoey can drive for 7 days before her budget runs out.

6 0
2 years ago
Solve x2 + 14x = -40 by completing the square.
zalisa [80]

Answer: C x=-4 and -10

Step-by-step explanation:

6 0
2 years ago
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