Math Questions

Karen Pete Rose and David are comparing their solutions to a homework problem below 3 675 Select the student who correctly subtracted the rational expressions Karen 8 7 F 2 1 5 Rose H 8 7 s 8 2 s 5 7 1 2 5 71 8 1 3r 10 7 14 1 4 10 7r 14 Pete 8 5 7 1 2 2 5 13 40 7 14 5 35 10 12 61 54 r 3r 10 David 18 7 2 x 5 2 3 10

Solve 7p 5q 19p 12 for p Select one O a 5q 12 12 O b 12 5q O c 12 5q 12 O d 5q 12 Solve 17p 2q 5p 6 for q Select one O a 12p 6 O b 12p 6 O c 22p 6 O d 6p 3 Solve 13a 3 b 5 for b Select one O a 13a 3 5 O b 5 13a 3 O c 5 13 3a O d 5 13a 3

Katherine wants to determine the height x of a nearby tree She stands 53 feet from the base of the tree The measure of the angle of elevation from Katherine to the top of the tree is 41 Select all of the following that can be used to find the height of the tree Ox 53 sin 41 53 sin 49 Ox 53 cos 41 X 53 cos 49 Ox 53 tan 41 X X 53 tan 49

Given 3 m A 90 and m B m A Prove m B 30 Statement 1 3 m A 90 2 mA 30 3 m B m A 1 m B 30 Reason 1 Given 2 3 4 Transitivo Prar

Kylie went into a grocery store and bought 3 apples and 4 bananas costing a total of 6 50 Lily went into the same grocery store and bought 10 apples and 5 bananas costing a total of 17 50 Write a system of equations that could be used to determine the price of each apple and the price of each banana Define the variables that you use to write the system Let Let the number of apples the number of bananas System of Ed the price of each apple the price of each banana the number of items the price of all items

The sail of a boat is in the shape of a right triangle as shown below O a Which expression shows the length in meters of the base of the sail 6 points Ob Oc 50 d 7m 7 cosec 50 7 sec 50 cos ec50 7 cot 50

Solve for Q 5x 3xy for x Select one O a 5 3y Q O b Q 5 3y OC Q 5 3y O d 5 3y Q Solve T mv 2 2 for m Select one O a v T O b v 2T O c 2T v O d 2T v Solve 7x 11y 17 for y Select one Qa 7x 17 b 17 7x 11 O c 7x 17 11 O d 17 7x

Which of the following sets is a subset of B green 66 9 70 love 8 Select the correct answer below Oh green 6 9 70 8 Og green love 8 Of 70 love 88 Loreen 70 Love 81

A radioactive substance has a decay rate of 0 079 per minute How many grams of a 200 gram sample will remain radioactive after 1 hour Round the answer to the nearest tenth of a gram and do not include the unit in your answer Provide your answer below

Aidan went over a jump on his skateboard His height above the ground changed according to the equation y 16x 27x where x time in seconds and y height in feet If this equation is graphed is the point 1 7 0 a good approximation of an x intercept O No because Aidan spent about 0 6 seconds in the air 4 of 8 QUESTIONS No because Aidan reached a maximum height of about 0 6 feet Yes because Aidan reached a maximum height of about 1 7 feet Yes because Aidan spent about 1 7 seconds in the air

Complete the statement If two polygons are similar then their corresponding 1 are congruent and their corresponding 2 are proportional O 1 Sides 2 Areas 1 Angles 2 Areas O1 Angles 2 Sides 1 Sides 2 Angles

Directions Find the next five terms then write a conjecture 1 13 18 23 28 Conjecture 2 512 256 128 64 Conjecture

Find the exact value of the expression sec tan Select the correct choice and fill in any answer boxes in your choice below OA 88 Simplify your answer including any radicals Use integers or fractions for any numbers in the ex OB There is no solution sec tan 1

The US Bureau of Labor Statistics predicts the US economy will add more than 7 371 900 million jobs from 2012 to 2022 More importantly of the occupations predicted to add jobs 1 044 600 of those new jobs will likely come from the four highest paying occupations The number of new jobs predicted for each of the four highest paying occupations was used to compute the probabilities below Occupation Probability 0 504 0 866 0 872 General and operations managers 0 234 Consider the new jobs associated with these four high paying occupations if we randomly select one of the new jobs what is the probability that the occupation is registered nurses 0 766 Management analysts 0 128 Software developers applications 0 134 Registered nurses

State whether the following scenarios would produce positive negative zero or undefined slopes a George s financial investment increasing in value b Gwen applying the brakes to stop at a red light c Volume in the gas tank compared to distance travelled d Filling up the gas tank at a gas station compared to distance travelled at the gas station Petra is paid 15 hour at her job She is looking for other positions and is offered a job where she will be paid 10 hour plus a bonus of 25 day if she sells above quota Assume that at either job she will work an 8 hour day and that she is able to sell above quota every day a Complete the table of values for 8 hours or one day Start both jobs at time 0 hours Apply the bonus of 25 at the new job at time of 0 hours Time hors Cu nt 0 1 N 3 Chapter 10 Assignmen 4 5 6 7 8

steps must be shown to receive full credit Clearly state or mark your answer If you images graphs or drawings to include please include those as image files as we learr it already Click here to Print View the full workcheck document PDF form Lesson 5 1 10 points 1 Find x and WE given that WC is a median Find x if WD x 1 and WE 2x 2 Y W

Describe the increasing and decreasing intervals for the graph below 7 6 5 s Decreasing interv 6 5 4 2 1 1 2 If you cannot see the image Click Here e Increasing interva Select never 2 infinity infinity 2 U 2 infinity infinity 3 U 3 infinity 1 y 3 2 3 4 567 49

3 Model with Math Clare had t seashells After she bought 8 more seashells she had 24 seashells Write and solve an equation to find the number of seashells Clare started with 4 Model with Math The outside temperature dropped 20 F from the time Arianna ate breakfast until the time she ate dinner When she ate dinner the temperature was 35 F Write and solve an equation to find the outside otwhen Arianna ate breakfast

Mr Frankel bought 9 tickets to a puppet show and spent 57 He bought a combination of for 3 each and adult tickets for 9 each How many of each type of ticket did he buy 3a 9

10 What is the missing statement in step 4 Read the proof Given AE LEC BDL DC Prove AAEC ABDC Statement 1 AE LEC BD 1 DC 2 ZAEC is a rt 4 BDC is a rt 2 L 3 AEC BDC 4 5 AAEC ABDC Reason 1 given 2 definition of perpendicular 3 all right angles are congruent 4 reflexive property 5 AA similarity theorem

Question A pool party is occurring at the Robertson s house this next holiday They want to invite 64 friends and family Only 26 friends and 9 family members reply to the invite The Robertson s are a family of 5 Their pool is 35 feet long and is 10 feet deep when filled to capacity They are worried children under 5 will struggle in the pool so they only fill the pool to 5 feet The day of the party 53 people show up The son Billy is 4 5 feet tall If Billy s height is half the width of the pool what is the volume in cubic feet of water the Robertson s filled the pool with Do not include units in your answer Round your answer to the nearest whole cubic foot For example if the answer is 19 cubic feet put 19

When triangle ABC is reflected across line AB the image is triangle ABD Why is angle ACD congruent to angle ADB A D B C A Corresponding parts of congruent figures are congruent B Congruent parts of congruent figures are corresponding C Segment AB is a perpendicular bisector of segment DC D An isosceles triangle has a pair of congruent angles

A local school has 6 clubs The number of students in each club is shown in the bar graph below Use this bar graph to answer the questions Number of Students 12 10 8 6 4 2 0 French Glee Chess Club Latin Drama Math a which club has the most students French Glee Chess How many students does that club have student s b How many more students are in the Glee Club than in the Chess Club more student s Latin Drama O Math

X fig 1 Given Line segment WZ bisects line segment XY Line segment XY bisects line segment WZ To prove Triangles WAX and ZAY are congruent Statements 1 Segment WZ bisects XY 2 Segments XA and AY are congruent 3 Segment XY bisects WZ 4 Angles WAX and YAZ are congruent 5 Triangles WAX and ZYA are congruent Reasons 1 given 2 When a segment is bisected the resulting segments are congruent 3 given 4 Vertical angles of intersecting lines are equal 5 Triangles with two sides and an included angle equal

g c 4 15 80 8 31 60 1143 45 1557 25 Choose the graph which represents the table Select one O a 100 100 0 100 EZ 100

6x 55 x 1 Rewrite the equation by completing the square Your equation should look like a c 2 dor x c d 2 What are the solutions to the equation Choose 1 answer A B D x 3 8 x 3 8 x 8 3 x 8 3 20 RON 200 42801

A newscaster earns 33 200 and wants to invest 10 of his her monthly salary to save for retirement in 30 years If he she invests this money at 2 compounded monthly how much mone will he she have at retirement a How much will be saved each year b What will be the monthly deposit c What will be the amount in the account after 30 years

Select the correct answer from the drop down menu Grant Valley School has hired a fleet of buses and vans to transport 96 students to a picnic Each bus can seat 31 people and each van can sea people The school authorities want to have three teachers traveling in each bus and one teacher in each van It will take to accommodate 107 people including the students and teachers with no seats left vacant

For f x 3x 2 and g x 7x find the following composite functions and state the domain of each a fog b gof c fof d gog A The domain off og is x Type an inequality Use integers or fractions for any numbers in the expression Use a comma to separate answers as needed B The domain of fog is all real numbers b gof x 21x 14 Simplify your answer Select the correct choice below and fill in any answer boxes within your choice A The domain of g of is x Type an inequality Use integers or fractions for any numbers in the expression Use a comma to separate answers as needed B The domain of g of is all real numbers c fo f x 9x 8 Simplify your answer Select the correct choice below and fill in any answer boxes within your choice OA The domain off of is x Type an inequality Use integers or fractions for any numbers in the expression Use a comma to separate answers as needed B The domain of f of is all real numbers d go g x 49x Simplify your answer Select the correct choice below and fill in any answer boxes within your choice OA The domain of g og is x Type an inequality Use integers or fractions for any numbers in the expression Use a comma to separate answers as needed The domain of g og is all real numbers

Payah kun said the Eldest Magician meaning That is quite right and he breathed upon the great rocks and lumps of earth that All the Elephant there was had thrown up and they became the great Himalayan Mountains and you can look them out on the map Then the Moon rose big and full over the water and the Eldest Magician said to the hunchbacked old man who sits in the Moon spinning a fishing line with which he hopes one day to catch the world Ho Fisher of the Moon are you playing with the Sea The Crab That Played with the Sea Puduard Kinling How does the use of imagery create meaning The imagery emphasizes the compassion and authority of the Eldest Magician O The imagery explains how the animals are responsible for creating nature O The imagery reveals the power that the old man has over the moon O The imagery highlights the importance of earth Moon and Sea

The sets below represent test scores for two students in Mrs Silvio s trigonometry class Michelle 71 68 84 88 Valerie 78 82 76 80 Which statement correctly describes the relationship between the two students test scores 3 Valerie s mean test score is greater and 1 Michelle s mean test score is greater her interquartile range is greater and her test scores have a greater interquartile range 2 Michelle s population standard deviation is greater but her range is smaller 01 02 4 Valerie s mean test score is greater but her population standard deviation is smaller Submit Answer

7 120 1 30 18 The number of gallons of gasoline in a truck s tank at time t is given by the twice differentiable function S where t is measured in minutes and 0 t 240 which the number of gallons of oil in the tank is changing at time t 140 minutes 1 point Estimate the rat 0 30 90 180 240 t minutes S t gallons 16 15 12 7 2

4 Tyler and Han are trying to solve this system by substitution Tyler s first step is to isolate x in the first equation to get x 5 3y Han s first step is to isolate 3y in the first equation to get 3y 5 x x 3y 5 9x 3y 3 Show that both first steps can be used to solve the system and will yield the same solution

h is the contrapositive of the statement below If you do your homework then you will be prepared for the test If you are prepared for the test then you did your homework If you are not prepared for the test then you did not do your homework If you do not do your homework then you will not be prepared for the test If you do your homework then you will be prepared for the test

U 10 B m 12 E Which equation results from applying the secant and tangent segment theorem to the figure 12 a 12 10 10 12 a 10 a 10 12 10 12 a

Mellissa plotted the graph of a function The function contains the points 2 4 and 3 6 The domain of the function is all whole numbers y 6 5 4 3 2 1 e 54365 3 6 2 4 2 3 4 5 6 Mr Wilson reviewed her work and said that the graph is incorrect Explain why this graph is incorrect Draw a correct graph

Rodney s Repair Service has a lug nut tightening machine that works well 85 of the time They got a new machine that works well 99 of the time Each machine is used 50 of the time Use Bayes Theorem to find the probability If necessary round your calculations to the nearest thousandths and write your answer as a percent The old machine malfunctioned The old machine will malfunction of the time

The following graph describes the height in meters of a rider on a ferris wheel after time t in minutes What is the radius of the ferris wheel Th t 120 110 100 90 80 70 60 50 40 30 20 10 10 20 a 30 m b 50 m c 105 m d 25 m 10 15 20 25

Anna wants to take fitness classes She compares two gyms to determine which would be the best deal for her Fit Fast charges a set fee per class Stepping Up charges a monthly fee plus an additional fee per class The system of equations models the total costs for each y 7 5x y 5 5x 10 1 Substitute 7 5x 5 5x 10 How many classes could Anna take so that the total cost for the month would be the same classes What is the total monthly cost when it is the same for both gyms

Peaches are being sold for 2 per pound The customer created a model to represent the total cost of peaches bought If x represents the number of pounds of peaches bought and y represents the total cost of the peaches which best describes the values of x and y O The values of both x and y can be any real number O The values of both x and y will be real numbers greater than or equal to 0 O The value of x and y will always be zero O The value of x can be any real number greater than or equal to 0 but the value of y must be an integer greater than or equal to 0

Kendra is trying to decide whether to go to Abby s house to watch a movie or to go to Samuel s house to play board games They live about the same distance away and there is no cost for either event If she chooses to go to Abby s house what is the opportunity cost 1 point There is no opportunity cost because there is not cost associated with either option Economics do not apply to this kind of decision O The difference in value to Kendra of the two options O The net value to Kendra of going to Samuel s house to play games O The net value to Kendra of going to Abby s house to watch a movie

This image of a physics problem shows a block resting on a ramp PQP is the angle between the ramp and the horizontal and BW is oriented vertically Which quantity is equal to cos W OA O B OC O D sin P cos P 1 sin P W 1 cos P

16 Select the correct answer The Cohen family started their wheat farm in 1995 The equation models the number of bushels of wheat they produced each year where tis the number of years since 1995 C t 7 000 500 ln t 1 The Mason family also started their wheat farm in 1995 The graph models the number of bushels of wheat they produced each year where tis the number of years since 1995 4 24 16 8 M t 4 12 000 OB 8 000 4 000 OC OD 4 000 8 000 12 000 16 24 Which statement is true about the quantity of wheat the two farms will produce as the years pass t OA The Mason farm s wheat production will continue to increase each year without bound while the Cohen farm s wheat production will approach a stable amount The Cohen farm s wheat production will continue to increase each year without bound while the Mason farm s wheat production will approach a stable amount The wheat production of both farms will continue to increase each year without bound The wheat production of both farms will approach a stable amount as the years pass

Sarah wants to put three paintings on her living room wall The length of the wall is 15 feet longer than its width The length and width of the paintings are 3 feet and 4 feet respectively x ft 4 ft OA 15 x ft Which inequality can be used to solve for x the height of the wall if the combined area of the wall and the paintings is at most 202 square feet B C 3 ft D Submit Tes x2 15x 238 0 x2 190 0 x2 15x 166 0 x2 15x 166 0 1

Eva invests 8000 in a new savings account which earns 4 8 annual interest compounded semi annually What will be the value of her investment after 7 years Round to the nearest cent

ATV manufacturer makes two models of a particular TV that are nearly identical except one is a dilation of the other a 48 in c If it is a proper dilation what should the approximate length of the smaller TV be 37 3 inches 39 6 inches 36 5 inches 27 in d 35 2 inches PP in 21 in

Score 10 180 1 18 answered Question 10 Find the unit price If necessary round your answer to the nearest cent You would enter an answer like 0 49 pound the value like 0 49 in the first box and the appropriate unit like pound in the second box 6 kg for 6 29 Question Help Worked Example 1

On the day a certain celebrity proposes marriage 8 people know about it Each day afterward the number of people who know grows by 50 Which expression gives the number of people who know about the proposal after 4 days Choose 1 answer B 8 1 0 5 1 0 5 1 0 5 1 0 5 8 1 0 5 1 0 5 1 0 5 1 0 5 8 0 5 0 5 0 5 8 0 5 0 5 0 5

At Handy Hardware Shop s annual spring cleaning sale every ratchet set in the shop gets marked down Austin purchased 2 ratchet sets during the sale one for himself and one to give to his dad on Father s Day Each ratchet set cost 8 less than its full price He paid a total of 56 What is the cost of each ratchet set at full price

Select the correct answer from each drop down menu Mr Montoya instructs the students in his math class to draw a rectangle with a certain area Catlynn draws a rectangle with a length of 18 centimeters and a width of 6 centimeters This proportional situation represents The constant of variation k is equal to If Sergio draws a rectangle with a length of 27 centimeters the width of the rectangle must be variation centimeters