Bob is driving along a straight and level road toward a mountain. At some point on his trip, he measures the angle of elevation to the top of the mountain and finds it to be 21°44'. Find the height of the mountain to the nearest foot if Bob is 13,428.7 feet from the center of the mountain at the base.
A. 5453 ft
B. 5353 ft
C. 53,534 ft
D. 535,342 ft

Answers

Answer 1
tan 21 44 =  h / 13428.7
h = 13428.7 * tan 21 44

Height =   5353 feet
Answer 2

Answer:

Option B is the correct answer.

Step-by-step explanation:

The arrangement is given in the below figure.

We have height of the mountain = x

We also have

       [tex]tan(21^044')=\frac{x}{13428.7}\\x=5352.98ft[/tex]

Height of the mountain to the nearest foot = 5353 ft

Option B is the correct answer.

Bob Is Driving Along A Straight And Level Road Toward A Mountain. At Some Point On His Trip, He Measures

Related Questions

Please help me explain your answer

Answers

convert 2 2/5 into a fraction

2 2/5 = 12/5

12/5 * 1/9 =12/45 reduces to 4/15

My past due bill is $585.00, and I just made payment arrangements for the next 3 months to keep my account from being suspended. My normal monthly bill is $50.00 per month. How much will I need to pay each month?"

Answers

585/3 = 195 + 50 = $245

Answer:

$245

Step-by-step explanation:

Given : My past due bill is $585.00, and I just made payment arrangements for the next 3 months to keep my account from being suspended. My normal monthly bill is $50.00 per month.

To Find:  How much will I need to pay each month?"

Solution:

Past due bill = $585

Now  just made payment arrangements for the next 3 months to keep my account from being suspended

So, Payment each month of past bill = [tex]\frac{585}{3}=195[/tex]

My normal monthly bill is $50.00 per month.

So, I need to pay per month = $50+$195= $245

Thus ,I need to pay $245 per month .

The foodservice department has been asked to prepare a special luncheon for the grandway hospital board of directors on tuesday. there will be 25 board members at the luncheon. there are 125 portions of vegetable lasagna needed for the hospital's lunch service that day. the standardized vegetable lasagna recipe yields 125 portions and requires 21 lb of ricotta cheese. how much ricotta cheese must chef carl order to meet production needs?

Answers

125/21 = 150/x
cross multiply
125x = 3150
x = 3150/125
x = 25.2 lbs....rounded up = 26 lbs <==

What is the slope and the y intercept of the line y=6x-9?

Answers

The slope is:  6 .
The y-intercept is:  -9  ;  (or, more precisely:  "(-9, 0)" .
_________________________________________________
   Note:  The line in written in "point-slope form"; also known as:
"slope-intercept format" ;  that is:  " y = mx + b"  ; in which:
                                              m = slope = coefficient of "x" ; 
                                              b = "y-intercept" (or, more precisely; the value
                                                  of "x" in the "x-coordinate" of the point of the 
                                                   "y -intercept).
__________________________________________________
    So:   Given:  y = 6x - 9 ;   m = slope = 6 ;
                                             b = -9 .
__________________________________________________

Hello there! :)

This equation is written in slope-intercept form. which means we can easily idenify the slope and the y-intercept.

First of all, slope-intercept form looks like this:

y=mx+b

The letter m represents the slope, while the letter b represents the y-intercept.

Now, let's look at the values that we have.

We are given the equation of the line:

y=6x-9

We know that m is the slope; therefore, in this equation, 6 is the slope.

-9 is the y-intercept (the letter b)

Therefore, 6 is the slope and b is the y-intercept.

I hope it helps you. Let me know if you have any queries.

~A smiley teen

[tex]MagicalNature[/tex] here to help

Use the distributive property to remove the parentheses.
-5(5v-4x-1)

Answers

-5(5v-4x-1)

You need to multiply all the variables in the parentheses by -5.
(-5*5v) - (-5*4x) - (-5*1)

-25x + 20x + 5
= -5*5v -5*-4x -5*-1

=  - 25v + 20x + 5

Joan likes to watch the birds in her yard.one morning,she notices that there are twice as many robins as blue jays.if she counted 21 blue jays and robins in all, how many blue jays did she count. Need help badly

Answers

21 divided by 3 = 7
14 robins 
7 blue jays

Which of the following equations has the solution x =  all real numbers? Select one: a. 4(3 - x) + 6x = 3x + 12 - x b. 4(3 - x) + 6x = 3x + 10 - x c. 4(3 - x) + 6x = 3x + 12 + 2x d. 4(3 - x) + 6x = x + 12 - 3x

Answers

a. 4(3-x) + 6x = 3x + 12 - x
    12 - 4x + 6x = 2x + 12
      2x + 12 = 2x + 12...infinite solutions <=== this one
    

b. 4(3 - x) + 6x = 3x + 10 - x
    12 - 4x + 6x = 2x + 10
    2x + 12 = 2x + 10...not this one...no solutions

c. 4(3 - x) + 6x = 3x + 12 + 2x
    12 - 4x + 6x = 5x + 12
     2x + 12 = 5x + 12....not this one...one solution

d. 4(3 - x) + 6x = x + 12 - 3x
    12 - 4x + 6x = -2x + 12
    2x + 12 = -2x + 12...not this one...one solution

The equation that has the solution x = all real numbers is given by option a) (4(3 - x) + 6x = 3x + 12 - x) and this can be determined by using the arithmetic operations.

Check all the options in order to determine which of the following equations has the solution x = all real numbers.

A) 4(3 - x) + 6x = 3x + 12 - x

Simplify the above equation separately that is:

LHS = 12 - 4x + 6x

       = 12 + 2x

RHS = 3x + 12 - x

       = 2x + 12

LHS = RHS means there is an infinite number of solutions.

B) 4(3 - x) + 6x = 3x + 10 - x

Simplify the above equation separately that is:

LHS = 12 - 4x + 6x

       = 12 + 2x

RHS = 2x + 10

LHS [tex]\neq[/tex] RHS means that there are no solutions.

C) 4(3 - x) + 6x = 3x + 12 + 2x

Simplify the above equation separately that is:

LHS = 12 - 4x + 6x

       = 12 + 2x

RHS = 5x + 12

LHS [tex]\neq[/tex] RHS means that there are no solutions.

D) 4(3 - x) + 6x = x + 12 - 3x

Simplify the above equation separately that is:

LHS = 12 + 2x

RHS = 12 - 2x

LHS [tex]\neq[/tex] RHS means that there are no solutions.

For more information, refer to the link given below:

https://brainly.com/question/13911928

Find the first, fourth, and tenth terms of the arithmetic sequence described by the given rule. A(n) = –3 + (n – 1)(–2.2)

Answers

A(n) = a1 + (n - 1) * d
A(n) = -3 + (n - 1) * -2.2
n = term to find
a1 = first term = -3
d = common difference = -2.2

we can already see that the first term is -3 <==

4th term..
A(4) = -3 + (4 - 1) * -2.2
A(4) = -3 + 3(-2.2)
A(4) = -3 - 6.6
A(4) = - 9.6 <== 4th term

10th term...
A(10) = -3 + (10 - 1) * -2.2
A(10) = -3 + 9 * - 2.2
A(10) = -3 - 19.8
A(10) = - 22.8 <===10th term

Final answer:

The arithmetic sequence A(n) = –3 + (n – 1)(–2.2) yields the first, fourth, and tenth terms as -3, -9.6, and -22.8 respectively when n is substituted with the corresponding term number.

Explanation:

The arithmetic sequence described by the rule A(n) = –3 + (n – 1)(–2.2) can be used to find specific terms of the sequence. To find the first term, plug in n = 1 into the formula to get A(1) = -3 + (1 - 1)(-2.2) = -3. The fourth term can be found by plugging in n = 4 which yields A(4) = -3 + (4 - 1)(-2.2) = -9.6. The tenth term is calculated as A(10) = -3 + (10 - 1)(-2.2) = -22.8. Therefore, the first, fourth, and tenth terms are -3, -9.6, and -22.8 respectively.

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Which of the following inequalities matches the graph?

graph of an inequality with a solid vertical line through the point negative 7, 0 and shading to the left of the line

Answers

x < = -7...solid vertical line means there is an equal sign in the problem...shading to the left or down means less then. A vertical line is represented by x = a number, and that number being the x value in ur set of points.

The longest side of an acute isosceles triangle is 8 centimeters. Rounded to the nearest tenth, what is the smallest possible length of one of the two congruent sides?

Answers

This isosceles acute triangle has 2 equal sides (let it be a and the third = 8
To have a triangle we should comply with the following inequality:
a + a > 8
2a > 8
and a>4



Final answer:

To comply with the triangle inequality theorem, the smallest possible length of the congruent sides in an acute isosceles triangle with the longest side being 8 centimeters, would be slightly greater than 4 centimeters, rounded to the nearest tenth (4.1 centimeters).

Explanation:

In the context of an acute isosceles triangle, the longest side is the base and the other two sides are congruent or have equal length. The smallest possible length of the congruent sides comes into play in respect of the triangle inequality theorem, stating that the sum of the lengths of any two sides must be greater than the length of the third side. Thus, for the smallest possible length, each of the congruent sides must hence be just slightly larger than half the length of the longest side. So for an 8 centimeter base, the smallest length for the congruent sides should be slightly more than 4 centimeters, let's call it 4.1 centimeters, when rounded to the nearest tenth.

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Suppose you are making yourself a sandwich. how many different sandwiches can you make if you have 4 choices in bread, 2 choices in meat, and 5 choices in cheese?

Answers

you would have 40 Choices

HELP! 5/x+3 - 3/x-2 = 5/3x+6 please show your work. :)

Answers

here is a condensed solution

How to solve (8.76 x 109)(6.52 x 10-3)/13.27 x 105?

Answers

use PEMDAS:
P = parenthesis
E = exponents
M = multiplication
D = division
A = addition
S = subtraction


First, start with the parenthesis:
(8.76 * 109)(6.52 * 10 - 3) / 13.27 * 105
(954.84)*(62.2) / 13.27 * 105

Then do ALL multiplication:
59,391.048 / 1,393.35

Now do all division:
42.62

So, your final answer is 42.62

Which function represents g(x), a reflection of f(x) =2/5 (10)x across the x-axis? g(x) =-2/5 (10)x g(x) =-2/5(1/10)^x g(x) =2/5(1/10)^-x g(x) =2/5 (10)-x

Answers

all values of f(x)  will change from positive to negative if you reflect in x-axis.

So the first choice is the correct one.

Answer:

A. [tex]g(x)=-\frac{2}{5}(10)^x[/tex].

Step-by-step explanation:

We are given the function [tex]f(x)=\frac{2}{5}(10)^x[/tex].

Now, g(x) is obtained by reflecting the function f(x) over x-axis.

Reflection of f(x) over x-axis changes f(x) to -f(x).

So, we get,

[tex]g(x)=-f(x)[/tex]

i.e. [tex]g(x)=-\frac{2}{5}(10)^x[/tex]

Thus, the reflected function is [tex]g(x)=-\frac{2}{5}(10)^x[/tex].

So, option A is correct.

Identify the property used in the first 5 steps to solve the equation 2(x-5)-6x=-22

Answer choices:
Step 1: Associative, Commutative or Distributive Property
Step 2: Associative, Commutative or Distributive Property
Step 3: Addition or Multiplication Property of Equality
Step 4: Addition Property or Combine Like Terms
Step 5: Addition or Multiplication Property of Equality

Answers

[tex]2(x-5)-6x=22[/tex] ⇒ We start by multiplying out the bracket and this property is called DISTRIBUTIVE property 

[tex]2x-10-6x=-22[/tex] ⇒ from here the next step is simplifying by collecting like terms

[tex]2x-6x-10=-22[/tex] ⇒ The simplifying process is the application of COMMUTATIVE property since this property allows us to 'group' the like terms together. In other words, this property allows us to move the [tex]-6x[/tex] next to the [tex]2x[/tex]. 

[tex](2-6)x-10=-22[/tex] ⇒ This what actually happened when we simplify [tex]2x-6x[/tex], we work out the sum of [tex](2-6)[/tex] and the answer is multiplied back to [tex]x[/tex]. This is called the ASSOCIATIVE property as we 'associating' the constant of the like terms.

[tex]-8x-10=-22[/tex] ⇒ Adding 10 on both sides to eliminate [tex]-10[/tex] on the left hand side of equation

[tex]-8x=-22+10[/tex]
[tex]-8x=-12[/tex]
[tex]x= \frac{-12}{-8}= \frac{3}{2}=1.5 [/tex]

Hence, the steps are

STEP 1
STEP 4
STEP 2
STEP 3
STEP 5

Answer:

Distributive property

Step-by-step explanation:

Evaluate 5x + (-2x 2) for x = 3.

Answers

5x + (-2x^2) for x = 3
5(3)+ (-2(3^2)) = 15 - 18 = -3

hope it helps
The answer to the expression is -3.

Both windows are congruent. What is the combined area of the two windows?

Answers

The area of the triangle is 3 because b•h/2, and the area of the rectangle is 3 because l•w, added together that equals 6, and doubled that equals 12. So I think the answer is C, 12 square feet.
10.5. Please answer my question as well!

Write 14/42 in simplest form

Answers

7/6!!!!!!!!!!!!!!!!!!!!!!
7/6 should be your answer

What is the value of x 20 35 60 70

Answers

x+40 =3x (vertical angles)
2x = 40
x = 20

answer  is A. 20 (first choice)

Answer:

Value of x is:

20

Step-by-step explanation:

Clearly, the two angles are vertically opposite

and vertically opposite angles are always equal

So, x+40=3x

Subtracting both sides by x, we get

x+40-x=3x-x

i.e. 40= 2x

Dividing both sides by 2, we get

x = 20

Hence, Value of x is:

20

Are the following figures similar?

Answers

no the corresponding angles are not congruent, because the angle measures on the smaller figure are 90, 90, 137, and 43, while the larger figure has angle measures of 90, 90, 136, 44. that is why the following figures are not congruent.

Chris bought clothes for school. She bought 3 shirts for $12 each and a skirt for $15.

How much did she spend on the shirts?

Question 1 options:

Answers

3 times $12 is 36. So she spent $36 on the shirts. :)



The population of a town is 500,000 in 1990. The population increases at a rate of 5% every five years. What will be the approximate population of the town in 2005?
A. 578,813
B. 587,712
C. 499,354
D. 512,945

Answers

A = P(1+r)^(t/5) A = 500000(1+0.05)^(15/5) A = 500000(1.05)^(15/5) A = 500000(1.05)^3 A = 500000*1.157625 A = 578812.5 Telling us that the population will be about 578,812 people in the year 2005

Of the 30 girls who tried out for lacrosse team 12 were selected. Of the 40 boys that tried out 16 were selected. Are the ratios of the number of students on the team to the number of students trying out the same for both boys and girls? Explain.

Answers

Girls;

Total number of girls who tried out = 30

Number of girls who got selected = 12

Ratio of girls on team to girls who tried out = [tex] \frac{12}{30} = \frac{2}{5} [/tex] = 2 : 5

Boys;

Total number of boys who tried out = 40

Number of boys who got selected = 16

Ratio of boys on team to boys who tried out = [tex] \frac{16}{40} = \frac{2}{5} [/tex] = 2 : 5

Hence, the ratios are the same.

Read the following statement: All prime numbers are odd. Which of the following choices is a counterexample to the statement?
1
17
2
7

Answers

All prime numbers are odd.
A counter-example is one that will prove this statement to be false.

ur answer is : 2....it is 2 because 2 is a prime number and it is even...in fact, it is the only even number that is a prime number.


The choice which is a counterexample to the statement is 2.

What are prime numbers?

"It is a number that is divisible only by itself and 1 "

For given question,

We have been given a statement 'All prime numbers are odd. '

We need to select a counterexample to given statement.

Consider a number 2.

2 is divisible only by itself and 1

This means, 2 is a prime number.

We know that 2 is an even number.

Therefore, the choice which is a counterexample to the statement is 2.

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From January through October, ACE Autos sold 150 cars. The number of cars sold in November and the number of cars sold in December were in the ratio of 3:5. If the total number of cars sold in the year was 390, find the number of cars sold in December. Solve algebraically.

Answers

390-150 = 240 cars were sold in November & December

 ratio is 3:5

240/8 = 30

30*3 = 90

3*5 = 150

90 cars sold in November

150 cars sold in December

(Solve for v) 2v − 6 = 4

Answers

2v-6=4
[add 6]
2v=10
[divide by 2]
v=5

A drawing shows 4 apples and 6 bananas. Which is the ratio of bananas to apples? 6:4 3:2 6 4 all of the above

Answers

 4 apples and 6 bananas

so ration bananas to apples = 6:4 or 3:2  or 6 4

answer is 

all of the above
We can set up this question like this to help understand it better....

Bananas : Apples
6 : 4   ----->  *** You would think this is the answer but it isn't! *** 

Why you may ask... it's because this ratio can be simplified. Yes it is very much like a fraction! 

So when we simplify 6 : 4 we will get this ratio as the answer!! 
3 : 2 

I hope this helps you! :D 

For a fixed amount of gas at a constant temperature, the volume of the gas is inversely proportional to its pressure. The function v=18000/p relates the volume in cubic inches and pressure in pounds per square inch of a gas. What is the volume when the pressure is 900 pounds per square inch?

Answers

Answer:

Volume of the gas is 20 cubic inches.

Step-by-step explanation:

Inverse proportion: Let x and y be two quantities are said to be inverse proportion or inversely proportional if one quantity increases at the same rate the other decreases.

[tex]x \propto \frac{1}{y}[/tex] or

[tex]x = \frac{k}{y}[/tex] ⇒[tex]k =xy[/tex]   where k is constant.

Since, it is given that the volume of gas is inversely propotional to its pressure.

Given the function:  

[tex]v = \frac{18000}{p}[/tex]           ......[1] ; where volume in cubic inches and pressure in pounds per square.

To find the volume in cubic inches.

The pressure (p) = 900 pounds per square inch.

Substitute the value of p in [1];

[tex]v = \frac{18000}{900}= 20 in^3[/tex]

Therefore, the volume(v) = 20 cubic inches when the pressure is 900 pounds per square inch.

The volume when the pressure is 900 pounds per square inch is [tex]20 in^3.[/tex]

What is proportionality?

proportionality can be explained as equality between two ratios, it gives relationship that is always in the same ratio.

We were given the function as[tex]v= \frac{18000}{p}[/tex]

But the pressure is given as pressure (p) = 900 pounds per square inch.

We can get volume, if we substitute "p" as;

[tex]v=\frac{18000}{p}[/tex]

[tex]V= \frac{18000}{900} =20 in^3.[/tex]

Hence, the volume when the pressure is 900 pounds per square inch is [tex]20 in^3.[/tex]

Learn more about proportionality at:

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What is the answer to this?

Answers

The answer is 6. 108 people divided by 18 people ( i cake ) 
To get the answer just simply divide

108/18= 6

So she will need 6 cakes to feed 180 people

Evaluate 5a^2 + 2b^3 when a=4 and b =-4

Answers

Hello there! How are you today?

5a^2 + 2b^3, solve when a = 4 and b = -4

To solve for this, we must replace "a" with 4, and "b" with -4.

I will set it up;

5(4^2) + 2(-4^3)

Simplify the parenthesis (PEMDAS).

5(16) + 2(-64)

Remove the parenthesis by multiplying them by the numbers to the outside of them.

5 x 16 = 80
2 x -64 = -128

We are now left with:
80 - 128

Simplify.

-48 is your final answer.

I hope this helps!
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