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3 years ago

6

A mountain is 15,062 feet above sea level, and a valley is 350 feet below sea level, what is the difference in elevation between

the mountain and the valley?

2 answers:

Elis [28]3 years ago

7 0

Answer:

Step-by-step explanation:

Difference in elevation is 15,062-(-350)=15,062+350=<u>15,412</u>

lutik1710 [3]3 years ago

4 0

Answer:

14,712 ft difference

Step-by-step explanation:

15,062 - 350 = 14,712

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A triangle has side lengths of x, x+11, and 3x+5.

horrorfan [7]

Answer:

The answer is 5X+16

Step-by-step explanation:

The formula for perimeter of a triangle is a+b+c.

meaning we are adding up everything.

That is

(x)+(x+11)+(3x+5).

collect like terms.

and u end up getting

5x+16

3 0

3 years ago

) Using the chart, approximate the limit of the function f(x) = sin x/ x as x approaches zero. Note the numbers are in radians:

Rashid [163]

Answer:

1

Step-by-step explanation:

We are given that

$f(x)=\frac{sinx}{x}$

Numbers are in radians

Substitute x=-1

$f(-1)=\frac{sin(-1)}{-1}=0.84$

Substitute x=-0.25

$f(-0.25)=\frac{Sin(-0.25)}{-0.25}=0.989$

Substitute x=-0.01

$f(-0.01)=\frac{sin(-0.01)}{-0.01}=0.999$

Substitute x=-0.005

$f(-0.005)=\frac{sin(-0.005)}{-0.005}=0.999$

Substitute x=0.005

$f(0.005)=\frac{sin(0.005)}{0.005}=0.999$

Substitute x=0.01

$f(0.01)=\frac{sin(0.01)}{0.01}=0.999$

Substitute x=0.25

$f(0.25)=\frac{sin(0.25)}{0.25}=0.989$

Substitute x=1

$f(1)=\frac{sin(1)}{1}=0.84$

Therefore, $\lim_{x\rightarrow 0}\frac{sinx}{x}=1$

8 0

3 years ago

G(x) = x3 - 4 <br> h(x) = x2 + 2<br> Find h(-2) - g(-1)

Lady bird [3.3K]

Answer:

11

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Algebra I</u>

Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

g(x) = x³ - 4

h(x) = x² + 2

h(-2) is x = -2

g(-1) is x = -1

<u>Step 2: Find h(-2) - g(-1)</u>

Substitute: ((-2)² + 2) - ((-1)³ - 4)
Exponents: (4 + 2) - (-1 - 4)
Add/Subtract: 6 - (-5)
Subtract: 11

3 0

2 years ago

Find the circumference of this circle.

finlep [7]

Answer:

81.64

Step-by-step explanation:

2(3.14)=6.28

6.28*13=81.64

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3 0

3 years ago

Does this table represent a function? Why or why not? <br><br> Pick A,B,C or D

stepladder [879]

The answer would be D.

In order for a table to represent a function, each x-value needs to pair with exactly one y-value and no more.

In the table shown here, none of the x-values repeat and all of them pair with a unique y-value which means that it’s a function.

6 0

3 years ago