# Math

## Branches of Math

## Recent Math Questions

**mATH..OHHHH NOOOOO PLEZ HELP I AM STRUGGLING**

Which statement is true? 1. all rectangles are squares 2. some trapezoids are parallelograms 3. all squares are rhombuses 4. no rhombuses are rectangles. Please help me. I need this done and fast. Mom don't know answer so I'm counting on you to help me. Thank you so much.

**Math**

Bart is saving to buy a flat screen monitor that costs $345. He has already saved $37. What is the least amount of money Bart a must save each week so that at the end of 11 weeks he has enough money to buy the monitor?

**Math**

Brady buys 3 gallons of fertilizer for his lawn. After he finishes spraying the lawn, he has 1 quart of fertilizer left over. How many quarts of fertilizer did Brady spray on his lawn?

**math**

There are 4 romantic novels and 6 adventurous novels on a book shelf. Without looking, Carmen chooses two novels out of the shelf. What is the probability that she chooses 2 romantic novels?

**Math**

Donna will donate up to $460 to charity. The money will be divided between two charities: the City Youth Fund and the Educational Growth Foundation. Donna would like to donate at least $160 to the Educational Growth Foundation. She would also like the amount donated to the ...

**math**

A closed cylindrical storage container with a volume of 2800 cubic inches. The material for the top and bottom will cost $3 per square inch and the material for the sides will cost $4 per square inch. A) What dimensions of the container would minimize the cost of manufacturing...

**Math**

I'm having trouble with this question At the movies, it costs $5.00 to rent each movie. If you do not return the rentals on time, it costs you $3.00per movie rental per day. You recently rented movies from the business and returned them 2 days late. The total cost of the ...

**math**

The probability that Jeff will be accepted to Green Valley College is 3/4, and the probability that Justin will be accepted to Blue Ridge College is 2/5. What is the probability that Justin will be accepted and Jeff will not?

**math**

A hotel gives every customer who makes a reservation a confirmation code. How many different confirmation codes can be created if each code has 4 letters followed by 2 numbers?

**Math**

3x+10 => 4 A. x => -2 B. x <= 2 C. x <= -2 D. x => 2

**Math**

Which number is a solution of the inequality? 6>z(10-z) A)0 B)1 C)2 D)

**math**

13/y=8/3 solve the following proportion for y

**Math**

(3+1)+27divided by nine

**Math**

I need help solving for all solutions for this problem: cos 2x+ sin x= 0 I substituted cos 2x for cos^2x-sin^2x So it became cos^2(x)-sin^2(x) +sinx=0 Then i did 1-sin^2(x)-sin^2(x)+sinx=0 = 1-2sin^2(x)+sinx=0 = sinx(-2sinx+1)=-1 What did i do wrong?? the real solutions are ...

**math**

Samina spends three fourth of her pocket money to buy chocolates and rest to purchase chewing gum.find the ratio of amont spent on chocolates to that spent on chewing gums.

**math**

the width of a rectangular painting is 2 meters less than the length, the area of the painting is 20 M^2

**math**

Find the sum of the infinite geometric series below, or indicate that the sum does not exist. 15+6+12/5+24/25+...

**MATH NEEDS HELP NOWw**

Consider the sequence t1=1, t2=-1, and that tn=t(n-2)*(n-3)/(n-1), where n>2. Find the value of t1998. (1998 is the term, so is n, t1, and t2)

**Math**

A rectangular prism has a length of 20 in., a width of 2 in., and a height of 3 1/4 in. The prism is filled with cubes that have edge lengths of 1/4 in. How many cubes are needed to fill the rectangular prism? Can you help????

**math**

The sum of the interior angels of a regular polygon 1800.calculate the size of one exterior angel of the polygon

**Math**

a recipe for a banana oats muffins calls for 1/2 cup of old fashioned oats. you are making 3/4 of the recipe. how many cups of oats should you use?

**Math**

Hello. I'm not a native English speaker. I have a math assignment and I need to explain the process of this equation. y=14.2x+19.3 542 = 14.2x+19.3 542-19.3 = 14.2x 522.7 = 14.2x x = 36.8… I don't know how to explain this in English, can anyone please help me? ;(

**math**

a typist can type 70 words in 1 minute. then how many words can he type in 1.5 minutes?

**Math**

Sharon, tracy and Rachel collected a total of 283 stickers. At first, sharon had 1/8 as many stickers as Tracy. When rachel gave 25 of her stickers to sharon, sharon had 1/4 as many stickers as tracy. How many stickers did rachel collect at first?

**Math**

A: The variables x and y vary directly. When x is 3, y is 6. Find x when y = 2/3. B: The force acting on an object varies directly with its acceleration. A force of 25 newtons accelerates an object at 1.25 m/s. What is the acceleration of a 35 newton force? (some steps or ...

**math**

two buses start from the same bus stand at 8am . one travels at 40km/h and the other at 50km/h . the second bus reaches the next stop at 10am. how much later will the first bus arrive?

**math**

A ferry boat departed from port and traveled at a rate of ten miles per hour at an angle of 30 degrees north of east across a large river. If the current is flowing at a rate of 4 miles per hour straight south, what is the speed and direction of the boat in the water? Round ...

**Math**

PLEASE CHECK MY ANSWERS 1, calculate the slant height for a given cone. round to the nearest tenth. Diameter = 8 cm Height = 9 cm 10.2 cm 11.4 cm 9.8 cm * 12.0 cm 2, calculate the slant height for a given cone. round to the nearest tenth Diameter = 18 cm Height = 7 cm 11.2 cm ...

**MATH**

You need to move all your belongings to your new location. Your company has provided you with three options for your move: DISTNACE: 34 h (3,727.9 km) For your calculations, use an average fuel price of $1.05/L. The fuel consumption rating for your personal vehicle is 7.9 L/...

**Math**

Can someone check my answer for this homework assignment? What is the volume of a square pyramid that is built in a cube with edges of 12 inches? Square pyramid in 12-inch cube A. 48 in3 B. 144 in3*** C. 576 in3 D. 1,728 in3 Find the volume of a square pyramid with base edges ...

**Math**

I need help with these homework questions! What is the volume of a square pyramid that is built in a cube with edges of 12 inches? Square pyramid in 12-inch cube A. 48 in3 B. 144 in3 C. 576 in3 D. 1,728 in3 Find the volume of a square pyramid with base edges 4 ft. and height ...

**math**

If 8^x = 12, then 24^x = ? Estimate your answer to one decimal place.

**math**

If 8.2^p = 10.5^q, then p/q = ? Estimate your answer to two decimal places.

**Math :(:( Totally stressing ouuut ned help now.**

What are all the possible ways to transform the letter V in a single transformation so that its point is up rather than down: 2 answers A. Translation B. Reflection C.Rotation

**math help now plez**

unit2 lessonn9 Which image is a reflection of the figure shown over the given line of reflection?

**math**

364 divided by 6 the answer has to be in a fraction

**math**

Given the function f(x) = 5(x+4) − 6, solve for the inverse function when x = 19. I believe the answer is 1 A 1 B 68 C 72 D 84

**math**

The figures in (a) and (b) below are made up of semicircles and quarter circles; the figure in (c) shows a quarter of a circle in a square. Find the area and the perimeter of each figure in terms of π.

**Math**

Write an equation in the indicated form for each statement described below. (A graph shows two lines intersecting at x=-2 and y= 1 in a tilted X shape) A. Write an equation in slope-intercept form for the line parallel to the red line and going through the point (3,5). B. ...

**math**

Given: ΔKLM, KL = LM = 13in, KM = 10in. Find: The area of ΔKLM

**Math**

A function is created to represent the height above sea level of a mountain climber every hour. What restrictions would be made to the range? A-range includes all real numbers B-range includes positive integers C-range includes positive real numbers D-range includes negitive ...

**MATH**

What is the relation between the y intercepts of x=3 and y=x-1? A- x=3 is greater (the y intercept) B- y=x-1 is greater (the y intercept) C- same y intercept D- relation cannot be determined I think it is either A or D, not sure. Thank you!

**math**

Simplify (5x+3)+(8x+1) (5x)+(8x)= 13x^2 (5x)+(1)=5x (3)+(8x)=11x (3)+(1)=4 =13x^2+5x+11x+4 =13x^2+16x+4 Is this right or wrong? Simplify (2t^2-3t)-(7t^2-5t) = (2t^2)-(7t^2)=-5t = (2t^2)-(-5t)= 7t =(-3t)-(7t^2)=-10t =(-3t)-(-5t)=2t =-5t+7t-10t+2t I ...

**Math**

Write the equation of the line in the indicated form that meets each criterion below. A. A line with a slope of -2/3 and a y-intercept of 4; in slope-intercept form B. A line with a y-intercept of – 2 and an x-intercept of 3; in standard form C. A line with a slope of – 3 ...

**math**

Simplify (5x+3)+(8x+1) (5x)+(8x)= 13x^2 (5x)+(1)=5x (3)+(8x)=11x (3)+(1)=4 =13x^2+5x+11x+4 =13x^2+16x+4 Is this right or wrong?

**Math. plz help or try.**

I would love it if you helped me. 1. Determine the median of this data set. 5,6,3,2,2,4,8,9 A. 2 B. 4.5 C. 5.5 D. 5 2. What is the mode of the data set? 27,35,57,36,44,57,33,34,66,30,33,42,57,23,35 A. 35 B. 33 C. 42 D. 57 3. Sam conducted a survey in which he asked his ...

**Math**

A pedestal in a craft store is in the shape of a triangular prism. The bases are right triangles with side lengths of 12Â centimeters, 16 centimeters, and 20 centimeters. The store owner wraps a piece of rectangular cloth around the pedestal, but does not cover the ...

**Math**

Students are being surveyed about the weight of books and supplies they are carrying as they attend class. a. Identify the variable of interest. b. Identify the type of variable. c. List a few values that might occur in a sample

**math**

i need help on my unit 4 lesson seven 24 question unit tst from connexus academy.i am a level nine gymnast and have a huge meet that im stressing out about and so i cant focus someone please help me thank you

**Math**

A team has won 16 matcjes and lost 5 .if these matches represent 70% of the matches to be played. how many more matches should the team win so as to have a record of 80% wins?

**math**

a student walks 50m on a bearing 025 and then 200m due east.how far is she from her starting point

**math**

Given: ΔKLM, KL = LM = 13in, KM = 10in. Find: The area of ΔKLM I got for the area 12√34 but its wrong :(

**Math science**

A camp has food stock for 500 people for 70 days.if 200more peole join tha camp how long will tha stock last

**Math**

Esther had an average of 72 on her first four maths test. After taking the next test, her average dropped to 70. Which of the following is her most recent test grade

**math**

pq is a tower standing vertically on the horizontal ground. from a, the angle of elevation of top p of the tower is 45°. on moving 50 m. up a slope of 15°, the angle of elevation becomes 75° from b. find height of the tower

**math**

PQ is a tower standing vertically on the horizontal ground. from A, the angle of elevation of top P of the tower is 45°. On moving 50 m. up a slope of 15°, the angle of elevation of P is found to be 75° from B. The horizobtal through B is BC. find height of the tower.

**Math**

Find the $2 \times 2$ matrix $\bold{A}$ such that \[\bold{A} \begin{pmatrix} 1 \\ 0 \end{pmatrix} = \begin{pmatrix} 1 \\ 2 \end{pmatrix}\] and \[\bold{A} \begin{pmatrix} 0 \\ 1 \end{pmatrix} = \begin{pmatrix} -7 \\ 4 \end{pmatrix}.\] Regular: Find the 2 x 2 matrix A such that...

**math**

If 16x^2 - 24x + k = 0 has two roots (a double root) equal to 3/4, 4 = ?

**Math**

Chris withdraws $7.50 per week from his savings account. After 15 weeks, the balance in the account is $585. A. Write an equation in point -slope form to model this. B. Write the equation in slope-intercept form. C. How much is in the account after 1 year (52 weeks)? ;Details ...

**Math**

A floor 9 metre long as 6 metre wide. a square carpet on side 4 metre is laid on the floor.Find the area of the floor that is not carpeted.

**math**

A bag is filled with green and blue marbles. There are 101 marbles in the bag. If there are 25 more green marbles than blue marbles, find the number of green marbles and the number of blue marbles in the bag.

**math**

Picture Frame Dimensions. The rectangular frame on a picture is 8 in. by 10 in. outside and is of uniform width. What is the width of the frame if 48of the picture shows?

**Math**

Predict how many times you will roll a number less than 5 if you roll a standard number cube 250 times.

**math need help now**

which 2 figures will always be similar 2 each other? A.2 rectangles B. 2 trapezoids C.2 equilateral triangles D.2 hexagons

**Math**

Janet Foster bought a computer and printer at Computerland. The printer had a $620 list price with a $100 trade discount and 2/10, n/30 terms. The computer had a $2,200 list price with a 25% trade discount but no cash discount. On the computer, Computerland offered Janet the ...

**math 4th grade**

At the end of their study of the kinds of electricity, mrs.clark class compleated quiz, there were 26 students , 6 of them scored 100, 4 scored 90, 3 scored 80 and rest of them 80. What was the average quiz score for the quiz Can anybody please explain this clearly. Thank you

**Math**

Given: f(x) = 8 - 4x A. Find f(-2) B. Find x, when f(x) = 8 C. Graph the function. D. State the domain and range of the function. E. Use the graph to find x, when f(x) = 0. Show details on the graph. F. Use the graph to find f(x) when x = 3. Show details on the graph.

**Math**

1. Find all complex numbers z such that |z-1|=|z+3|=|z-i|, if i is the square root of -1. I got to the part where you graph the equations, but got stuck. 2. Find all cube roots of 8i. I know there are 3 answers, but I am stuck.

**Math**

Ed’s rental charges a flat fee of $5 plus $2 per hour to rent a pair of skates. A. Write an equation to model the cost of renting skates, y, for x hours. B. Graph the equation. Label the y-intercept. C. Use the graph to find the cost for renting the skates for 2 hours. Show ...

**Math**

3. All faces of a table top with the given dimensions (width:20, length:22, height:1)are going to be painted. Which of the following is the surface area of the table top? A. 440 B. 524 C. 880 D. 964 my answer 4. How much less surface area of the table will be painted if the ...

**Math**

Katy picked 135 berries in 15 minutes. If she keeps at this rate how many will she have picked in 25 minutes?

**Math**

2. The sum of the reciprocals of two consecutive positive integers is 17/72. Write an equation that can be used to find the two integers. What are the integers? Steve helped me yesterday and gave me the hint 8+9=17. Then I thought about it and saw 8*9=72, but I am confused ...

**math**

-3x 2 = 1/4 (2 raised to the power -3x = 1/4)

**Math- Outcomes and Probability**

Can someone please explain to me how to solve this question? If no digit can be used more than once, how many 5-digit numbers can be formed using the numbers 3,8,1,2,5, and 7? I have no clue how to solve this problem, the wording always tricks me. Answer choices: A) 360 B) 717...

**math**

IT division budget for the current year is $300,000. they already spent 10% of the budget on equipment, 66% on salaries, 8% on training and 31/2% on supplies. How much money does division have left in its budget for the remainder of the year?

**Math**

what is the supplement of the complement of an angle measuring 52 degrees? i dont fully understand this question or how to do the math on it.

**math**

what is 13 times 159

**math**

which figure has the same area as the parallelogram shown below? A.a triangle with a base 4 mm and a height of 20 mm B.a trapezoid with the base of 15 mm and 25 mm and a height of 2 mm C.a trapezoid with bases of 6 mm and 14 mm and a height of 8 mm D.a rectangle with bases 20 ...

**Math Word Problem**

67% or 603 employees in a company are female. How many are male?

**math**

12 years old Manik is three times as old as his brother Rahul.how old will manik be when he is twice as old as Rahul?

**math**

the sex of to domain species is unknown but they each have a probability of X and -5 what does x equal and what is the domain species? Please someone help me don't give me the answer just please explain the process of this to me i have no clue where to start

**math**

what is 2.4 times 10 to the 32nd power in standard form

**math**

2. What is the distance between points A(5, 7) and B(8, 3)?

**Math**

complete the equation. -6x^2+15x-6=-(2x-1)(x+__) a. 2 b. -2 c. -3 d. 6 I'm really lost and i dont understand how to solve this problem. any help would be appreciated.

**Math**

how many term are in the sequence of multiples of 7 between 100 and 900

**Math**

When 8 is divided to a certain number and the result is divided by 6 the ans is less than 1quarter. Find the range of the number

**math**

A square tile is having side of length 15cm.how many such tiles would be required to cover the square floor of abathroom of side 3m.

**Math**

Given: f(x) = 8 - 4x A. Find f(-2) B. Find x, when f(x) = 8 C. Graph the function. D. State the domain and range of the function. E. Use the graph to find x, when f(x) = 0. Show details on the graph. F. Use the graph to find f(x) when x = 3. Show details on the graph.

**math**

(0,0) and (1,-1) from coordinate geometry

**Math**

please if anyone could help me with this question: 1. A class paid $20 for a cake and $4 per child for one slice of cheese pizza. they paid $140. how many children are in the class? 2. Rajie want to divide 24 peanuts, 64 raisins, and 56 apricots evenly into packets (with 0 ...

**Math**

How many square feet of wrapping paper do you need . To wrap a package it is 3.5 feet long 18 inches wide and 2 feet high

**math**

PLEASE TELL ME THE ANSWER TO "blank 569 divided by 6 is about 400!!!!!!!!" WHAT IS THE BLANK?!!?!?!?

**Math**

Given: f(X)= 8-4x A. Find f(-2) B. Find x, when f(x)= 8 C. Graph the function. D. State the domain and range of the function. E. Use the graph to find x, when f(x) = 0 . Show details on the graph. F. Use the graph to find f(x)when x = 3. Show details on the graph.

**Math**

An angle theta satisfies the relation (csc theta)(cos theta)=-1 Give an example of information needed to determine a unique value for theta If sec theta is known to be negative, what is the csc theta value of theta?

**Math**

A school is holding a Fixed Raffle, where only a certain number of raffle tickets can be sold. The school sold 970 of these tickets for $10 each. One of the tickets will win $2910, two tickets will win $970, and 5 tickets will win $485. What is the expected value of ...

**MAth**

Darth Vader is designing a game that costs $20. The game consists of pulling a colored rock out of a container. When the rock is Red Darth Vader pays nothing, when the rock is Blue Darth Vader pays $40, and when the rock is White Darth Vader pays $100. The first player is ...

**Math**

I have to find the area of the trapezoid and the parallelogram by composing into rectangles or decomposing into triangles or shapes as needed. Show your work neatly and completely. The numbers are:18cm, 7 cm, 12cm and 10cm I am not sure how I can do this. Is there any way I ...

**MAth**

The odds against Rainbow winning the race are 17:5. Brian bets $120 on Rainbow to win and Rainbow does win the race. How much money does Brian win? What was the probability that Rainbow was going to win the race?

**Math**

The odds against an event are 48:42 what is the probability that the event will occur?

**math**

If the areas of three adjacent faces of a cuboid are 8 sq .cm and18 sq.cm and25 sq.cm . Then find the volume of cuboid