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Olegator [25]
3 years ago
9

John is hiking in the San Juan National Forest. Every 4 hours his elevation increases between 140 and 210 feet. 36 hours ago, Jo

hn's elevation was 5,700 feet. Which is a reasonable measure of John's elevation now?
A.
7,230 ft
B.
6,930 ft
C.
8,780 ft
D.
7,610 ft

PLEASE HELP
Mathematics
1 answer:
Ksju [112]3 years ago
8 0

Answer D. It is the closets answer to my calculations so im sorry if im wrong

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You invest $15,000 in a savings account with an annual interest rate of 2.5% in
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Answer:

\$16,990.62  

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

A=P(1+\frac{r}{n})^{nt}  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

t=5\ years\\ P=\$15,000\\ r=2.5\%=2.5/100=0.025\\n=4  

substitute in the formula above

A=15,000(1+\frac{0.025}{4})^{4*5}  

A=15,000(1.00625)^{20}  

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5 0
3 years ago
Each month Allison gets a $15 allowance and earns $100 working at the theater. She uses the expression 15x+100y to keep track of
Marizza181 [45]

Step-by-step explanation:

The expression for he earning of Allison and her allowance is as follows :

15x+100y

Part A

Variables are x and y. Coefficients are 15 and 100.

Part (B)

There are two terms in this expression. + is used to separate the terms. 15x and 100y are the terms.

Part (C) As $15 shows her earning from allowances. Hence, 15x shows allowance.

3 0
4 years ago
Factor completely 5c5 + 60c4 + 180c3.
Mrac [35]
5c^5 + 60c^4 + 180c^3

find the GCF, 5c³

5c³(5c^5 + 60c^4 + 180c^3/ 5c^3)

5c³(c² + 12c + 36)

5c³(c² + 2(c)(6) + 6²)

5c³(c + 6)² <<< the answer.

hope this helps, God bless!
8 0
3 years ago
Line d is parallel to line c in the figure below. Which statements about the figure are true? Select three options.
horrorfan [7]
The answer would be A I really don’t know
5 0
4 years ago
Read 2 more answers
The side length of a square ice cube is claimed to be 1.0 inches, correct to within 0.001 inch. Use linear approximation to esti
Olenka [21]

Answer:

0.012

Step-by-step explanation:

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f(x) \approx f(x_o)+f'(x_o)(x-x_o)

For a cube the surface area is 6x^2.

So the side is 1.0 inch in, the surface area is =6\times1^2 = 6 square inches.  

In Linear approximation means you ignore the term x_o^2 , if x_o is a small number, because then x_o^2 will be a very smalle number and that does not contribute much to the error.  

So the surface area is approximately,

6x^2=6x_o^2+12x_o(x-x_o)

So here, x=1.001, x_o=0.001

The error in the area is approximately,

12 \times 0.001=0.012

So the error is 0.012.


3 0
3 years ago
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