Mathematics High School

pls help- the question kept cutting off before:
If cos(πr) = 2 cos(πr) and 0 < r < 3, what is one possible value of r?

Answers

Answer 1

Answer:

r can be 0.5

Step-by-step explanation:

Here, we want to get a possible value of r

From the question, the value of r is between 0 and 3

Mathematically, we know that in degrees pi is the same as 180 degrees

In a case where we have r = 1/2

we have it that;

cos(pi/2) = 2 cos (pi/2)

Since pi/2 is 90 and cos 90 is zero; then we have it that the two sides of the equation is the same and r can be 1/2

Related Questions

ASAP!! Photo attached

Answers

Answer:

FG = 120 cm

Step-by-step explanation:

The explanation is in the picture!

Find the slope of the line graphed below.​

Answers

Answer:

Y =1.2X +-1.6

Step-by-step explanation:

x1 y1  x2 y2

3 2  -2 -4

   

(Y2-Y1) (-4)-(2)=   -6  ΔY -6

(X2-X1) (-2)-(3)=    -5  ΔX -5

   

slope= 1  1/5    

B= -1  3/5    

   

Y =1.2X +-1.6    

{24a - 18b} =24a−18b I neeed help

Answers

0

(24a - 18b) = 24a - 18b

24a - 18b = 24a - 18b

collect like terms

24a - 24a = -18b + 18b

0 = 0

Find the value of a,b,c and x from the following figure
​

Answers

Answer:

L=110

d=110

b=70

a=70

c=110

In a birthday party, a cake was cut into 30 equal sizes pieces. At the end of the party, 8 pieces were left. What was the percentage of cake consumped?

Answers

Answer:

73 1/3 %

Step-by-step explanation:

8 pieces were left

30-8 = 22 so 22 were consumed

22/30 is the percent consumed

.7333333

73.333333%

We know .333333333 is 1/3

73 1/3 %

intergrate x×(x²-3)³

Answers

Answer:   [tex]\large \boldsymbol{\dfrac{1}{8 } (x^2-3)^4+c}[/tex]

Step-by-step explanation:

[tex]\displaystyle \large \boldsymbol{} \int\limits {x(x^2-3)^2 } \, dx =\int\limits \frac{1}{2} {} \, (x^2-3)' (x^2-3)^3 dx =\frac{1}{8} (x^2-3)^4+c[/tex]

The graph of f(x) = |x| is translated 6 units to the right and 2 units up to form a new function. Which statement about the range of both functions is true?

The range is the same for both functions: {y | y is a real number}.
The range is the same for both functions: {y | y > 0}.
The range changes from {y | y > 0} to {y | y > 2}.
The range changes from {y | y > 0} to {y | y > 6}.

Answers

The range is the same for both functions: {y | y is a real number}.

Translation and range of a function

Given the parent function expressed as  f(x) = |x|. If the function is translated 6 units to the right and 2 units up to form a new function, the resulting function will be;

g(x) = |x + 6| + 2

The range is the value of the dependent variable for which it exist. For the given function, the range will exist on all real numbers.

Learn more on range of a function here: https://brainly.com/question/1466393

#SPJ9

Find the measure of PR.
PLEASE HELP ASAP!!
A. 18
B. 19
C. 25
D. 22

Answers

Answer:

A. 18

Step-by-step explanation:

the equation :

RF×RS = PR×RQ

16×9 = PR × 8

144 = PR×8

PR = 144/8

PR = 18

If the length of FR is 16 units then the length of PR is 18 units which is option A.

What is circle?

Circle is a figure whcih is having an arc showing points which are at equidistant from the centre point. The distance of arc from the centre point is known as radius.

How to find length?

From the rule of tangents and point outside the circle we can say that,

RF×RS = PR×RQ

16×9 = PR × 8

144 = PR×8

PR = 144/8

PR = 18 units

Hence if the length of FR is 16 units then the length of PR is 10 units.

Learn more about circle at https://brainly.com/question/24375372

#SPJ2

Please hell the question is in the photo ^^

Answers

May be this.. you may find all the math answers in the app known as Gauth math so I would suggest you to download it .Thank you

2/3 (9-12n)
plz tell me fast its urgent
no spam or i will report

Answers

Answer:

6 -8n

Step-by-step explanation:

2/3 (9-12n)

Distribute

2/3 *9 - 2/3 *12n

6 -8n

Arrange in descending order.
10,-5,-1, 12, 0, -13​

Answers

Answer:

12, 10, 0, -1, -5, -13

Step-by-step explanation:

can anyone help with this? im confused

Answers

Circumference/ Pigreco = 22 / 3,14 = 7
So it’s letter A

Look at the figure. Which step should be taken next to construct a line through point R that is perpendicular to ST ?

Answers

Answer:

where is the figure without figure how to find out

Please help please with geometry

Answers

Answer:

33

Step-by-step explanation:

HJ = HI + IJ

HJ = 3x - 9, HI = x and IJ = x + 5

So 3x - 9 = x + x + 5

Solve for x

Combine like terms

3x - 9 = 2x + 5

Add 9 to both sides

3x = 2x + 14

Subtract 2x from both sides

x = 14

Find HJ

HJ = 3x - 9

We have found that x = 14

HJ = 3(14) - 9

Multiply 3 and 14

HJ = 42 - 9

Subtract

HJ = 33

A rectangular rug has the perimeter of 36 feet. The length of the rug is twice the width. What is the length

Answers

Answer:

12 ft

Step-by-step explanation:

l = 2w

P = 2(l+w)

36 = 2(2w+w)

36 = 2(3w)

36 = 6w

Divide each side by 6

36/6 = 6w/6

6 =w

l = 2w

l = 2(6)

l = 12

write two properties of right angled triangle​

Answers

Answer:

The properties of right angle triangle are as follows

the hypotenuse is the longest sideone angle is 90 degree then other angle will be also 90 degree.

Jacob and Mirit decide to race their pet snails. Jacob's snail moves 25 inches per minute, and Mirit's snail travels 28 inches per minute. How far away from Jacob's snail will Mirit's snail be after an hour?

Answers

Answer:

180 inches

Step-by-step explanation:

25 inches per minute

in 1 hour (60 minutes) :

25*60 = 1500

28 inches per minute

in 1 hour (60 minutes) :

28 * 60 = 1680

1680-1500 = 180

PLEASE HELP!! Find the slant height of the come

Answers

The slant height of an object (such as a cone, or pyramid) is the distance along the curved surface, drawn from the edge at the top to a point on the circumference of the circle at the base.
...
s=√h2+b22
s = slant height.
h = vertical height.
b = base.

Bobby think that 5^2 = 10. What is wrong with this answer

Answers

Answer:

see below

Step-by-step explanation:

5^2  means 5*5  not 5*2

5^2 = 5*5 = 25  not 10

Answer:

5*5 = 25

bobby mistake is doing 5*2 = 10

Step-by-step explanation:

What is the vertex of g(x) = 3x2 − 12x + 7?

(−6, −5)
(−2, −5)
(2, −5)
(6, −5)

Answers

(h ,k) —> (2 , –5)

g(x)=3x²-12x+7 —> y= 3(x-2)²-5

y=a(x–h)²+k —> a= 3 , h=2 , k= –5

(h ,k ) —> (2, –5)

I hope I helped you^_^

Answer:

C, Option 2, or (2,-5)

Step-by-step explanation:

edge 2021

CP = Rs 720 and SP = Rs 810​

Answers

Answer:

Bro what to do in this question. Hope you understand me

In a sports club of 150 members, 88 play golf, 63 play bowls, and 45 play golf and bowls. Find the probability that:
a) a member plays golf only.
b) a member doesn't play golf or bowls.
pls explain too if u could. thanks!​

Answers

Answer:

a) .287

b) .293

Step-by-step explanation:

The answers are boxed in red in the picture.

First I found how many people only golfed. Then I did the same for the people that only bowled. Next I found how many members didn't golf or bowl.

From there I found the probabilities by dividing

a.) # of members that only golf / total # of members

b.) # of members that don't bowl or golf / total # of members

Select the correct answer.
Simplify the following expression.
(3x^2 - 11x - 4) – (x – 2) (2x + 3)

Answer choices

5x^2 - 12x - 10
x^2 - 10x + 2
x^2 + 10x - 2
x^2 – 12x – 10

Answers

Answer:

x^2 -10x+2

Step-by-step explanation:

(3x^2 - 11x - 4) – (x – 2) (2x + 3)

FOIL

(3x^2 - 11x - 4) – (2x^2-4x+3x-6)

Combine like terms

(3x^2 - 11x - 4) – (2x^2 -x-6)

Distribute the minus sign

3x^2 - 11x - 4 – 2x^2 +x+6

Combine like terms

x^2 -10x+2

The average weight of 10 boys is 77.0 pounds. If the
youngest boy is excluded, the average weight of the
9 remaining boys is 78.0 pounds. What is the weight,
in pounds, of the youngest boy?

Answers

Answer:

68 pounds.

Step-by-step explanation:

Find the total weight when there are 10 boys and when there are 9 boys then calculate the difference.

I'll let x = total weight.

[tex]\frac{x}{10}=77\\(10)\frac{x}{10}=77(10)\\x=770\\\\ \frac{x}{9}=78\\(9)\frac{x}{9}=78(9)\\x=702\\\\ 770-702=68[/tex]

Therefore, the youngest boy weighs 68 pounds.

Look at this cube,,,,,,,

Answers

Answer:

The new volume will be 27 times the old volume.

Step-by-step explanation:

Old volume = 3 x 3 x 3 = 27

New volume = 9 x 9 x 9 = 729

27 x 27 =

Therefore, the new volume will be 27 times the old volume

х
у
1
-4 -7
7
13
- 10
19
-13
3
Is the relationship shown by the data linear? If so, model the data with an equation.

Answers

Answer:

Yes and the equation is 2y=-x-7

Step-by-step explanation:

Yes the relation is linear, the slope of the equation will be - 3/6=-1/2, the equation of line will be y=(-1/2)x-3.5. 2y=-x-7

Find the common ratio of the geometric sequence 17, -51, 153, ...

Answers

Answer:

an = 17 ( − 3 ) n − 1

Step-by-step explanation:

Use the formula an = a 1 r n − 1 to identify the geometric sequence.

Select the correct answer (for Edmentum/PLATO).

Which expression represents the series 1 + 5 + 25 + 125 + 625?

Answers attached in photo.​

Answers

Answer:

Correct answer is A. Trust me

Step-by-step explanation:

Please help solve x and round all answers to the nearest tenth

Answers

Just remember the ratios: SOHCAHTOA
First one is cos 32 = x/14


Also if ur really tired and just want the answers just download an app called Socratic and it will give u all the answers for the worksheet


Find the measure of

Answers

Answer:

74 degrees

.................

Answer:

74

Step-by-step explanation:

BEC and CED form a straight line so they add to 180

BEC+CED = 180

106+ CED = 180

CED = 180-106

CED = 74

Other Questions
A rectangular prism and a pyramid have congruent bases and equal altitudes.Wha is the retio between the volume of the pyramid to the volume of the rectangular prism.What is the answer To select a strategy in a two-person, zero-sum game, Player A follows a ________ procedure and Player B follows a ________ procedure. Write the equation of the line from the graph(show your work pls) In a wrongful death action for the death of his wife in an automobile accident, the plaintiff alleged that the accident was caused by a mudflap assembly that fell off the defendant's truck. The plaintiff wishes to introduce the testimony of a witness, another truck driver who was on the same highway at the time, who heard someone tell the defendant over CB radio that he had noticed at the truck stop that the defendant's mudflap assembly on his truck was loose. The witness does not know the identity of the person who gave the warning. Should the court admit the testimony Oliver's long-term care policy covers only services in a nursing facility and pays nothing for services provided at home or in the community. What kind of LTC policy does Oliver own? which body of water is found southwest of the Philippines?A.Pacific OceanB.Indian OceanC.Arctic OceanD.Atlantic Ocean Which of the following is a physical change? A triangle is rotated 90 about the origin.Which rule describes the transformation? Question 2 of 10If f(x) x/2-3 and g(x) = 4x^2 + x - 4, find (f + g)(x).A. 4x+3x-7B. 4x2+x-1C. 66-7D. 4x + x- 4) Write the equation of the line passingthrough (-5, 6 ) and has slope equal to 4. what are the difference between school in 2021 and hitters youth Exam grades: Scores on a statistics final in a large class were normally distributed with a mean of 75 and a standard deviation of 9. Use the TI-84 PLUS calculator to answer the following. Round the answers to at least two decimals. (a) Find the 41st percentile of the scores. (b) Find the 74th percentile of the scores. (c) The instructor wants to give an A to the students whose scores were in the top 8% of the class. What is the minimum score needed to get an A ___________ are actually giant specialty stores. They feature stores the size of airplane hangars that carry a deep assortment of a particular line with a knowledgeable staff. These stores are prevalent in a wide range of categories, including books, baby gear, toys, electronics, home improvement products, and even pet supplies. When Chief Justice Earl Warren stated, "A sense of inferiority affects the motivation of a child to learn," what was he essentially stating? A. Children often struggle with wanting to study. B. Learning is difficult if a child is not inspired. C. Low self-esteem can have a negative impact on grades. D. Students who feel inferior often spend more time alone. Select which is not a theme in the literature.A key theme in The Call of the Wild is civilization vs. the wild.In A Retrieved Reformation, because Jimmy is genuinely changed after falling in love with Annabel, one theme that the reader could infer is: People can change for the worse with the right motivation.One of the themes in The First Men in the Moon is the idea that people have to take risks in order to explore new domains.The central conflict in Antigone reveals is family vs. state. Please help me with this problem A and \angle BB are vertical angles. If m\angle A=(5x-9)^{\circ}A=(5x9) and m\angle B=(8x-30)^{\circ}B=(8x30) , then find the value of x A binomial experiment consists of 11 trials. The probability of success on trial 4 is 0.41. What is the probability of success on trial 8?A. 0.71B. 0.41C. 0.39D. 0.84E. 0.14 Carlos is taking a class to learn presentation skills. Which type of communication is he using when he improves his PowerPoint slides?NonverbalVerbalVisualWritten In eight years, when he is discharged from the Air Force, Steve wants to buy a $30,000 power boat. Click here to view Exhibit 12B-1 and Exhibit 12B-2, to determine the appropriate discount factor(s) using tables. Required: What lump-sum amount must Steve invest now to have the $30,000 at the end of eight years if he can invest money at: