Classify each angle in the diagram as an angle of elevation or an angle of depression *

angle of elevation: <1, <4 angle of depression: <2, <3
angle of elevation: <2, <3 angle of depression: <1, <4
angle of elevation: <1, <3 angle of depression: <2, <4
angle of elevation: <2, <4 angle of depression: <1, <3

Classify Each Angle In The Diagram As An Angle Of Elevation Or An Angle Of Depression *angle Of Elevation:

Answers

Answer 1

Answer:

Angles of depression are <2 and <4.

Angles of elevation are <1 and <3

Step-by-step explanation:

An angle of depression is the angle below a line of sight while the angle of elevation is the angle above a line of sight.

Angles of depression are <2 and <4.

Angles of elevation are <1 and <3


Related Questions

*PLEASE HELP QUICK*

Felipe is driving at a constant speed. The distance travelled depends on time.
d= distance in miles
t= time in hours

what is the rate of change of felipes driving speed?

how far will felipe drive in 6hrs?

Answers

9514 1404 393

Answer:

0150 miles

Step-by-step explanation:

The appropriate relation is ...

  distance = speed · time

  d = 25t

__

The rate of change of Felipe's driving speed* is zero, since his speed is given as constant.

Felipe will drive 150 mile in 6 hours, as found using the equation:

  d = 25(6) = 150

_____

* The question posed here asks for rate of change of driving speed. Perhaps, you want rate of change of distance, which is driving speed: 25 miles per hour.

Dawn is making an abstract painting with two triangles. the dimensions are 6 in by 10 in and 8 in by 10 in. what is the total area in square inches.

Answers

Anwser: First triangle area =0.5*8*10=40 in2. Secound triangle area =0.5*8*6=24 in2 Sum is 1st area + 2nd area, which is 64 in2.

20−5(4/2)^2=? /= fraction

Answers

Answer:

0

Step-by-step explanation:

=20−5(2^2)

=20−(5)(4)

=20−20

=0

write three expressions for 7a+21​

Answers

7(a)+21. , 7a+7.3. , 7(a+3). Hope this helps

2(c+3d) (c-d)
algebra

Answers

Answer:

Step-by-step explanation:

Is there any sign of addition or subtraction between (c + 3d) and (c - d) or we have to just multiply

If we have to multiply then

2(c + 3d) (c - d)

= 2(c2 - cd + 3cd - 3d2)

= 2(c2 + 2cd - 3d2)

= 2c2 + 4cd - 6d2

A cabinet, 4 chairs, and 2 tables cost $825. The cabinet costs 3 times as much as a chair. The table costs $120 more than a chair. What is the cost of the cabinet? Please answer with work so I know how to do It next time.

Answers

let

x = the cost of the cabinet

y = the cost of a chair

z = the cost of a table

A cabinet, 4 chairs and 2 tables cost $825

x + 4y + 2z = 825

The cabinet costs 3 times as much as a chair

x = 3y

The table costs $120 more than a chair

z = 120 + y

by solving the system of equations

x + 4y + 2z = 825

x = 3y

z = 120 + y

we find

x = $195

The box plot represents a data set. What is the range of the middle 50% of the data?

Answers

Answer:

7

explanation:

15 - 8 = 7

The range of the middle 50% of the data is 7.

We have a set of numbers plotted on a number line.

We have to find the range of middle 50% of the data.

What is interquartile range ?

The interquartile range abbreviated as (IQR) is a measure of statistical dispersion, which is the spread of the data. The IQR is also called the mid-spread, middle 50% and fourth spread.

According to the question -

The Interquartile range is the difference of third quartile and first quartile.

From the given figure -

First quartile = Q[1] = 8

Third quartile = Q[3] = 15

Range of IQR = Q[3] - Q[1] = 15 - 8 = 7

Hence, the range of the middle 50% of the data is 7

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HELP!!

Construct the graph of the direct proportion y=kx for k=1

Answers

3,3

Pretty simple.

1 x 3 = 3

The graph of the direct proportion y = kx for k=1 is shown in figure.

What is linear expression?

A linear expression is an algebraic statement where each term is either a constant or a variable raised to the first power.

Given that;

The direct proportion is defined as,

⇒ y = kx

Now, The equation for k = 1 is,

⇒ y = kx

⇒ y = 1x

⇒ y = x

Clearly, It represent the straight line.

Hence, The graph of y = x is shown in figure.

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CS Algebra
Test Iten
Given the equations below, what is the product of x and y?
3
8(x - 2) = 2x + 8
ay+9 = -2(y + 1)
=
A 16
B 4
C4
0 c
D -16

Answers

Answer:

Hope this helps :)

Step-by-step explanation:

8(x - 2) = 2x + 8

y+9 = -2(y + 1)

value of x in 8(x - 2) = 2x + 8

x=4

substitue

y+9=−2(y+1)

value of y y+9=−2(y+1)

y= - 11/3 or 3.66...

x=4

y=4 (I rounded 3.66)

solve the inequality -1/3h_<7

Answers

Answer:

The solution to the given inequality

 [tex]h\geq \frac{-1}{21}[/tex]

Step-by-step explanation:

Given inequality

                      [tex]\frac{-1}{3h} \leq 7[/tex]

             ⇒     -1≤ 7× 3h

             ⇒     -1 ≤ 21 h

             ⇒    21 h ≥ -1

            ⇒       [tex]h\geq \frac{-1}{21}[/tex]

Lin wants to save 75$ for a trip to the city. If she has saved $37.50 so far, what percentage of her goal has she saved? What percentage remains?​

Answers

Answer:

37.50÷75=0.5 so first you are dividing bcus u need to find what percentage she has saved.

Answer:

O.5 because u need to divide and give me brainlessly plz

Step-by-step explanation:

2.5% of what number is 14?

Answers

Answer: 560

Step-by-step explanation:     2.5 percent (calculated percentage %) of what number equals 14? Answer: 560.

The unknown number will be; 560.

How to find the percentage from the total value?

Suppose the value of which a thing is expressed in percentage is "a'

Suppose the percent considered thing is of "a" is b%. Then the percent shows per 100 (since cent means 100).

a x b/100 = a x b%

WE need to find the 2.5% of unknown number is 14.

Let the unknown number be x

Then;

2.5% of x = 14.

Simplify;

2.5/100 × x = 14

0.0025 × x = 14

x = 14/0.0025

x = 560

Hence, the  unknown number will be; 560.

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Solve for x. what is the measure of each indicated angle? show your work

Answers

Answer:

Angle y is also 40 degrees. Angle x and y are vertical angles, thus they have the same angle measure.

Step-by-step explanation:

Answer:

x is equal to 7

the measure of both angles is 23°

Step-by-step explanation:

1. set both equations equal to each other

2. 4x - x is 3x

3. 16 + 5 is 21

4. 3x = 21

5. divide both sides by 3

6. x equals 7

There are 8 circles and 10 triangles. What is the simplest ratio of circles to total shapes?

Answers

The simplest ratio is 4:9

What is the simplest value of 4⁰

Answers

Answer:

1

Step-by-step explanation:

3 days ago • Mathematics • High School
11. The senior class at Eastside High School is get
class T-shirts
printed. The silkscreening
company that makes the shirts charges $8.25 per shirt and a one-tin
fee of $38 to make the
silkscreen. If the senior class has budgeted $4,500.00 for the T-shirts
what is the greatest
number of shirts they can order?

Answers

Answer:

Greatest number of t-shirts that can be ordered is 540.

Step-by-step explanation:

Given that:

Cost of printing one shirt = $8.25

One time fee to make the silkscreen = $38

Budget for the t-shirts = $4500.00

Let,

x be the number of t-shirts

According to given statement;

8.25x + 38 ≤ 4500.00

8.25x ≤ 4500.00 - 38

8.25x ≤ 4462.00

Dividing both sides by 8.25

[tex]\frac{8.25x}{8.25}\leq \frac{4462.00}{8.25}\\x\leq 540.84[/tex]

Hence,

Greatest number of t-shirts that can be ordered is 540.

What is the perimeter

Answers

Answer:

-2x + 3

Step-by-step explanation:

Perimeter means to add all the sides of the triangle. Simply combine like terms:

(3x) + (2x - 5) + (-7x + 8)

(3x + 2x - 7x) + (-5 + 8)

(5x - 7x) + (8 - 5)

-2x + 3

-2x + 3 is your answer.

~

Solve the systems of equations using substitution

Answers

Answer:

C

Step-by-step explanation:

[tex]y = 2x + 3 \\ y = 3x + 1 \\ 2x = y - 3 \\ x = 0.5y - 1.5 \\ y = 3(0.5y - 1.5) + 1 \\ y = 1.5y - 4.5 + 1 \\ y - 1.5y = - 3.5 \\ 0.5y = 3.5 \\ y = 7[/tex]

[tex]x = 0.5(7) - 1.5 \\ x = 3.5 - 1.5 \\ x = 2[/tex]

(2, 7)

Last school year, the student body of a local university consisted of 30% freshmen, 24% sophomores, 26% juniors, and 20% seniors. A random sample of 300 students taken from this year's student body showed the following number of students in each class.
Freshmen 83
Sophomores 68
Juniors 85
Seniors 64
We are interested in determining whether there has been a significant change in the distribution of class between the last school year and this school year.
A) What is the expected number of freshmen?
B) What is the expected number of seniors?
C) What is the calculated value for the test statistic?
D) What is the p-value?
E) At 95% confidence, should the null hypothesis be rejected?

Answers

Answer:

1.66

Step-by-step explanation:

We need to conduct a chi square test

The statistic used to check this is given by the below

∑(n, 1) = [(O(i) - E(i)] / E(i)

From the question, we're told the observed value is

Freshmen

Sophomore

Junior

Senior.

After that, we then calculate the expected value.

Freshman

0.3 * 300 = $90

Sophomore

0.24 * 300 = $72

Statistics then finally gives us this

X² = (93 - 90²)/90 + (68 - 72)²/72 + (85 - 78)/78 + (64 -60)²/60

X² = 3² / 90 + 4² / 73 + 13² / 78 + 4² / 60

X² = 0.1 + 0.212 + 2.167 + 0.266 x+

X² = 2.745

X = √2.745

X = 1.66

The distance from Salvador’s job to his house is three times greater than the distance from his house to the school. If his house is between his job and the school and the distance from his job to the school is 6 miles, how far is it from Salvador’s house to the school?

SHOW YOUR WORK pls and ty

Answers

Answer:

His school is 1.5 miles away :)

Step-by-step explanation:

6/4 = 1.5 miles

1.5 miles means his house is 1.5 miles from his school

Check the answer (1.5 times 3) = 4.5 miles so his job is 4.5 miles away.

4.5 + 1.5 = 6 miles

The distance between Salvador's house and his school is 1.5 miles

Let :

Distance from house to school = d

Therefore;

Distance from job to house = 3d

Then ;

Distance from job to school = 6 miles

Since, house is in between job and school :

Distance from job to school = d + 3d 6 miles = 4d d = 6 ÷ 4 = 1.5 miles

The distance from house to school = d ; hence, distance between his house and school is 1.5 miles.

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The sum of three consecutive even integers is 486. find all three integers​

Answers

160 and 162 and 164

Step-by-step explanation:

To find the three even integers, use the equation

x + (x + 2) + (x + 4) = 486

Then solve:

Add the common terms (the xs and numbers)

3x + 6 = 486

Subtract the 6 from both sides

3x = 480

Then divide

x = 160

So 160 + (160 + 2) + (160 + 4) = 486

160 + 162 + 164 = 486

So your three consecutive even integers are

Find the midsegment.

Answers

Answer:

14

20+8=28/2

your welcome

A grocery supplier believes that in a dozen eggs, the mean number of broken eggs is 0.6 eggs with a standard deviation of 0.3 eggs. You buy 3 dozen eggs without checking them.A) what is the expected number of broken eggs?B) what is the standard deviation?

Answers

Answer:

(a) 1.8 eggs

(b) 0.52 eggs

Step-by-step explanation:

According to the problem, computation of the given data are as follows:

The mean number of broken eggs in a dozen E(X) = 0.6

Standard deviation SD(X) = 0.3

(a). For 3 dozen eggs, number of broken eggs can be calculated by using following formula,

E(X) for 3 dozen = 3 × 0.6

= 1.8 eggs

(b). Standard deviation for 3 dozen can be calculated as follows,

SD (X) = ×[tex]\sqrt{3* (0.3)^{2}[/tex]

= [tex]\sqrt{27}[/tex][tex]\sqrt{27}[/tex]

= 0.52 eggs

Find the indicated probabilities using the geometric distribution, Poisson distribution, or the binomial distribution. The mean number of births per minute in a given country in a recent year was about 6. Find the probability that the number of births in any given minute is exactly five. Round to four decimal places as needed.

Answers

Answer:

0.1606 = 16.06% probability that the number of births in any given minute is exactly five.

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

[tex]P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}[/tex]

In which

x is the number of sucesses

e = 2.71828 is the Euler number

[tex]\mu[/tex] is the mean in the given interval.

In this question:

We only have the mean during an interval, and this is why we use the Poisson distribution.

The mean number of births per minute in a given country in a recent year was about 6.

This means that [tex]\mu = 6[/tex]

Find the probability that the number of births in any given minute is exactly five.

This is P(X = 5). So

[tex]P(X = 5) = \frac{e^{-6}*6^{5}}{(5)!} = 0.1606[/tex]

0.1606 = 16.06% probability that the number of births in any given minute is exactly five.

If the nth term of a number sequence is n^2+4
find the first 3 terms and the 10th term.​

Answers

Answer:

a) The sequence of first three terms

5 , 8 , 13 ..

b) The [tex]10^{th}[/tex] of the sequence

a₁₀ = 104

Step-by-step explanation:

Step(i):-

Given [tex]n^{th}[/tex] term of the sequence

  aₙ = n² + 4

put n=1

First term  a₁ = 1² +4 = 1+5

put n =2

Second term a₂ = 2²+4 = 4+4 =8

Put n=3

Third term a₃ = 3² +4 = 9+4 =13

The sequence of first terms

5 , 8 , 13 ..

Step(ii):-

Given [tex]n^{th}[/tex] term of the sequence

  aₙ = n² + 4

put n =10

a₁₀ = 10²+4 = 100+4 = 104

a₁₀ = 104

The [tex]10^{th}[/tex] of the sequence

a₁₀ = 104

Pleaseeeeee helppppppp


Select the correct answer from each drop-down menu.

Gilbert is training for a bike race. As part of his training, he does practice rides on portions of the actual race course. Gilbert's first practice ride

covers 5 miles of the course, and his second practice ride covers 9 miles of the course. Between these practice rides, he increase his average speed by 2 miles/hour .


The denominator of the function that models practice ride 2 represent the

A . Increase in Gilbert’s average biking speed

B. Distance Gilbert’s travels

C . Time it takes Gilbert’s to travel 5 miles

D . Biking speed for the second practice ride .


To find a function that models the total amount of time Gilbert spend doing practice rides on the race course

A . Add

B. Multiply

C . Divide

D . Subtract

The functions

Answers

Answer:

D . Biking speed for the second practice ride

Add

Step-by-step explanation:

Given :

First practice ride:

Distance = 5 miles

2nd practice ride :

Distance = 9 miles

Time models for each practice ride ;

First practice ride :

a(x) = 5 / x

x = speed

2nd practice ride :

b(x) = 9 / (x + 2)

Recall :

Time taken: distance / speed ; compacting with time taken equation of the 2nd practice ride :

Hence,

Speed of 2nd practice ride = x + 2

B.) To obtain a function for the total amount of time :

We take the sum of the first and second practice time : a(x) + b(x)

5/x + 9/(x+2)

Answer:  For plato family

   Biking speed for the second practice ride .

     Add

Step-by-step explanation:

I just took the test

Simplify the expression: 355 – (3+4. 2)2

Answers

I think the answer is 340.6

Answer:

340.6

Step-by-step explanation:

355 - 7.2 * 2 =

355 - 14.4 =

340.6

An individual is presented with three different glasses of cola, labeled C, D, and P. He is asked to taste all three and then list them in order of preference. Suppose the same cola has actually been put into all three glasses. What is the probability that C is ranked first and D is ranked last?

Answers

Answer and explanation:

Probability = number of favorable outcomes/ total number of outcomes

Since all glasses labelled C, D, and P are all same Cola

Probability that C is ranked first = 1/3

Probability that D is ranked last = 1/3


What is the area, in square yards, of
the rectangle shown below?
12 yd
15 yd

F 225 square yards

G 54 square yards
H 180 square yards
J27 square yards

Answers

Answer:

area of rectangle=length ×breadth

area of rectangle=12yd×15yd

area of rectangle=180yd²

Simplify the following

3 27a3b9
1.1
X (2aºb)3
81512

Answers

Answer:

HI BYE 45     SO ME I THINK IT I DONT KNOW SO PEACE GOOD LUCK

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