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Inessa05 [86]
3 years ago
11

At the highest point, the elevation of a county is 5,667 feet above sea level. At its lowest the elevation of the county is 7 fe

et below sea level. Answer parts a through c
Mathematics
1 answer:
maria [59]3 years ago
4 0

Answer: a : 5667 - (-6)

B: Positive integer.

C : 5673

Step-by-step explanation:

Don’t know, just guessed the expression and then answered it in b and c. Ye expression is like that all the time ngl.

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Just before his first attempt at bungee jumping, John decides to buy a life insurance policy. His annual income at age 30 is $36
Elodia [21]

Answer:

Present value of John's future annual earnings= 458,155.67

John should get life insurance equal to $450,000.

Step-by-step explanation:

Present value of an ordinary annuity

Present value =PMT*\frac{[1-(1+i)^-^n]}{i}

where PMT = the value of the individual payments in each period = $36,000

                i =  the interest rate that would be compounded in each compounding period = 0.069

               n = the number of payment periods = 35

Present value of John's future annual earnings = 36,000*\frac{[1-(1+0.069)^-^3^5]}{0.069}  = 458,155.67

458,155.67 rounded up to the nearest $50,000 is $450,000. therefore John should get life insurance equal to $450,000.

5 0
4 years ago
An engineer is designing a storage compartment in a space craft. The compartment must be 3
Mrrafil [7]

9514 1404 393

Answer:

  D.  2 m

Step-by-step explanation:

You know the integer factors of 10 are 1, 2, 5, so a width of 2 m will satisfy the requirements. For a width of 2 m, the length is 2+3 = 5 m, and the depth is 2-1 = 1 m. The volume is ...

  V = LWH = 5×2×1 = 10 . . . . cubic meters, as required

__

If you were to write an equation for this, it would be a cubic. Let x = width, then length is x+3 and depth is x-1. The volume is ...

  V = (x+3)(x)(x-1)

we want that equal to 10.

In standard form, the equation becomes ...

  x^3 +2x^2 -3x -10 = 0

According to the Rational Root Theorem, positive rational roots will be from the set {1, 2, 5, 10}, which are the integer divisors of 10.

You can try these values, or you can use a graphing calculator to find the solution. I find a graphing calculator to be quick and easy.

__

The width of the storage compartment is 2 meters.

4 0
3 years ago
Ethan writes 1/6 of a page in 1/12 of a minute. How much time does it take him to write a full page?
kakasveta [241]

Answer: 1/2 minute

Step-by-step explanation:

1/6 page is multiplied by 6 to get 1 whole page, so you have to multiply the time 1/12 of a minute by 6 to get 1/2 minute.

6 0
4 years ago
Read 2 more answers
A particle moves along the x-axis so that at any time t, measured in seconds, its position is given by s(t) = sin(t) - 4cos(2t),
malfutka [58]

Answer:

16 ft/s²

Step-by-step explanation:

s(t) = sin(t) - 4cos(2t)

Differentiation for v

v(t) = cos(t) + 8sin(2t)

Differentiate for a

a(t) = -sin(t) + 16cos(2t)

At t = π

a(π) = -sin(π) + 16cos(2π)

= 0 + 16

= 16

8 0
3 years ago
PLEASE HELP!!! WILL GIVE BRAINLIEST TO ALL THE CORRECT ANSWERS!!!!
Harman [31]

Answer:

3^2 · 3^4 · 3^6 (you keep bases) ( you add exponents)

C) 3^12

QUESTION 2:

What value is equivalent to 5^2 · 5^2? (5^4) 5×5×5×5 ...25×25

D) 625

QUESTION 3

(−6)3 (-6)×3

A) −18

QUESTION 4

Evaluate: −94

A) −36

B) −6,561

C) 36

D) 6,561

( not really sure what is asking to do ? )

5 0
3 years ago
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