# Math

## Recent Questions

**7th math**

Find the surface area of this triangular prism 24 in 25 in 14 in 32 in and 25 in

**Math**

Uranus is approximately 2.74 x 10^9 km away from the Sun at perihelion and 3.00 x 10^9 km at aphelion. Find the eccentricity of Uranus's orbit given that the perihelion is r = a(1 - e) and the aphelion is r = a(1 + e).

**Math**

How would you prepare 500 mL of 5% dextrose added to water from a 50% stock solution? _________ mL 50% dextrose + ________mL water

**Math**

f the life, in months, of a certain type of car battery is normally distributed with a mean of 88months and a standard deviation of 9 months, what should be the guarantee period if the companywants less than 5% of the batteries to fail while under warranty? Answers: A)Less ...

**Math**

The average middle-distance runner at a local high school runs the mile in 4.5 minutes, with astandard deviation of 0.3 minute. What is the probability that a runner will run the mile in less than 4 minutes? Possible Answers: A)7%B)3%C)5%D)4% I know it's C, but I don't know ...

**Math**

The average middle-distance runner at a local high school runs the mile in 4.5 minutes, with astandard deviation of 0.3 minute. What is the probability that a runner will run the mile in less than 4 minutes? Possible Answers: A)7%B)3%C)5%D)4% I know it's C, but I don't know ...

**Math**

One angle of an isosceles triangle measures 80 degrees. Witch other angles could be in that isosceles triangle?

**MATH**

A collar of Styrofoam is made to insulate a pipe. Find its volume The large radius is to the outer rim. The small radius r is to the edge of the insulation. Use π for 3.14. r = 3 in R = 5 in h = 18 in. Round 2 decimal places

**math**

A drama club is planning a bus trip to New York City to see a Broadway play. The cost per person for the bus rental varies inversely as the number of people going on the trip. It will cost $30 per person if 55 people go on the trip. How much will it cost per person if 60 ...

**Math**

A sheet of plywood is 4 feet wide by 8 feet long. What is the minimum number of sheets of plywood needed to cover the frame? Justify your answer. Frame : 24 feet by 8 feet. 3?

**Math**

each letter on the english alphabet is written on a scrap of paper and put in a hat P(j) = 1/26 what type of probability is illustrated and why? Can anyone help me with this?? I think it would be experimental but I'm not completely sure why.

**math**

Which numerical expression correctly translates the phrases 4 less than the sum of 9 and 2 ? 9 + 2-4, 9-4+2, 4- ( 9+ 2 ) , 4- 9 + 2 the correct answer I chose is 4-(9 +2) is that right. Thank you

**Math**

8 more than the product of 2 and 3 does not represent the statement ( 8 + 2) x 3 is that true

**Math**

Whats 7*0 0 7 2************** 1 I have dyslexia so please don't assume I'm being dumb, please. I'm in 5th grade. My best friend helped me spell everything too. So please help me. I got this from special ed.

**Math Check Please**

1.y + 3 >_ 5 ???How do I solve this 2. Write an inequality to represent the information: The temperature stayed above 15°F I think it is: t < 15 but I am sooo not sure 3. Gabriella went skiing. She paid $35 to rent skis and $15 an hour to to ski, if she paid a total of...

**math**

Two sides of an obtuse triangle have lengths 7 and 3. If the third side is also an integer, what are its possible lengths?

**math**

what is the largest possible remainder when a 2-digit number is divided by the sum of its digits?

**math**

Triangle ABC undergoes a series of transformations to result in triangle DEF. Is triangle DEF congruent to triangle ABC ? Is it Congruent or Not congruent? 1.)) Triangle ABC is translated 3 units up and 5 units right, and then dilated by a scale factor of 4 to form triangle ...

**math**

A HOSPITAL(H) IS 7KM EAST AND 5KM NORTH OF A SCHOOL(S). CALCULATE THE BEARING OF H FROM S

**Math**

kelly bought 2 kilograms of rice and half kilograms of meat from the supermarket. The cost of 5 kilograms of rice was $13. She spent $9.80 in all. How much did 1 kilogram of meat cost?

**PLZ connexus math help**

1.what is the slope of the line in the graph show below this is Algebra 1 a unit 6 lesson 3

**Math**

The figure below shows a shaded circular region inside a larger circle: A shaded circle is shown inside another larger circle. The radius of the smaller circle is labeled as r and the radius of the larger circle is labeled as R. On the right side of the image is written r ...

**math;) Law of Cosines**

Two satellites are in Earth's orbit and are 424 km apart. If an observer is 658 km away from satellite A and 471 km away from satellite B, what angle must the observer turn his telescope to change his view from one satellite to another? a. 40.0 degrees b. 45.5 degrees c. 50.0 ...

**Math**

How could you create a rotation of the original images? How could you create a translation (slide) of the original images?

**math;) Law of Cosines**

The obscure triangle has side lengths of 16 in, 13 in, and 20 in. I am assuming side a is 13, side b is 16, and side c is 20. We are looking for angle x between side a and side b. I have tried to use the formula for cos(C) because angle C is supposed to be between side b and ...

**Math**

|Color | red | blue| green| yellow| | |__________________________________ | | # of times spun|20| 10| 9| 11| | |___________________________________| (A messy version of the table above) The table shows the results of spinning a four-colored spinner 50 times. Find the ...

**Algebra**

1. Nine students ask to visit a college admissions counselor. Each scheduled visit includes one student. In how many ways can they be scheduled? **They can be arranged in 45,360 different ways.** 2. Evaluate 8P2 Using the permutation formula, **The answer is 8P2 = 56** 3. A ...

**math**

There are 3 different numbers.The sum of the number is 19.The greatest number is equal to the product of the other two numbers.what is the smallest number

**Math**

at what interest rate would a deposit of $20000 grow to $29836 in 25 years with continuous compounding?

**MAth**

how long will it take for the investment to double at an interest rate 1.7% if the interest is compunded quarterly?hint : you my assume that $100 were invested

**math:) Law of Sines**

A 6 ft. person is leaning against a pole. The person makes a 35 degree angle with the pole. He also makes a 50 degree angle with the ground. How tall is the pole? I am confused how to do this. Any help is greatly appreciated!

**Math check my answers please!!!!**

1. Find the volume of a square pyramid with a base length of 9 cm and a height of 4 cm A.324 cm^3 B.108 cm^3 C.36 cm^3 D.152 cm^3** 2. Find the volume of the given cone. It has a radius of 6 in. And a height of 11 in. A. 320 in^3 B.1,224 in^3 C.415 in^3** D.622 in^3 3. Find ...

**Math**

If you toss 2 dice a1,000 times, how many of those would you expect to equal 7?

**math**

A charity raffle offers a first prize of $1,000,000, a second place prize of $100,000 and a third place prize of $10,000. A total of 500 000 tickets will be sold. What price should be charged for a ticket in order for the charity to make a 60% profit on this raffle?

**Math**

The running shoes Gina bought at a 20%-off sale were originally priced at $70. Before tax was added, how much money did Gina save by buying the shoes on sale?

**math**

circle O has a diameter D and circle P has a diameter d. the two circles are externally tangent. find the length of the common external tangent in terms of the circles' diameters

**math**

consider the graph of the equation xy=9. rotate the graph 45 degrees clockwise about the center (0,0). what is the equation of the rotated graph?

**Math PLEASE HELP ASAP**

Hi, Can someone please help me on this question. From midnight to 6:00 am, the temperture rose 8 degrees C. at 6:00 am the temperature was -20 degrees C. what was the temperature at midnight? Thanks :)

**Math**

What is 48,567kilo in metric tons? Im in 4th grade no judge

**math**

A charity raffle offers a first prize of $1,000,000, a second place prize of $100,000 and a third place prize of $10,000. A total of 500 000 tickets will be sold. What price should be charged for a ticket in order for the charity to make a 60% profit on this raffle?

**Math**

A charity raffle offers a first prize of $1,000,000, a second place prize of $100,000 and a third place prize of $10,000. A total of 500 000 tickets will be sold. What price should be charged for a ticket in order for the charity to make a 60% profit on this raffle?

**Math**

In its Flip Your Lid contest, a coffee chain offers prizes of 50 000 free coffees, each worth $1.50; two new TVs, each worth $1200; a snowmobile worth $15 000; and a sports car worth $35 000. A total of 1 000 000 promotional coffee cups have been printed for this contest. ...

**math**

a rental car company charges a fixed fee of 30$ plus $0.05 per mile. let c represent the total cost of renting a car and driving it m miles. Write a equation that could be used to find the total cost of renting a car and driving it any number of miles.

**Math**

How could you create a rotation of the original images? How could you create a translation (slide) of the original images?

**Math**

Does an 8-car Ferris wheel have rotational symmetry? Explain I need help asap

**Math**

WHat is the awnser to this question in IXL? Read the following description of a relationship: Cassie started downloading a movie on her phone, but lost connection after 61 MB had downloaded. She finished downloading at home at a speed of 99 MB per second. Let s represent the ...

**Math**

I am currently doing a question in which the equation is dN1/dt= -N1 + 0.1N1*N2 However, I am able to follow until the step of -N1(1 - 0.1N2) after that I'm not able to follow to the step of (-1)N1 (1-N2/10) Can someone please explain to me how we went from the second step to ...

**math**

The formula for the lateral surface area of a cone is A=πr√(h^2+r^2). (A)Solve for r and simplify the result, if possible. (B) If the lateral surface area of a cone is 10 square feet and the height is 16 inches, what is the radius of the cone in inches? Round your answer to...

**Math**

Each letter of the English alphabet is written on a scrap piece of paper and put in a hat. P(j) What type of probability is Illustrated and why.

**math**

Think about it ... Julie says that a rotation of 180° around the origin is the same as the reflection in the x-axis followed by a reflection in the y-axis. Is Julie correct? Justify your answer and be sure to include a diagram. I just wanna know does Julie correct or not. And...

**Math**

Dale is making a smoothie. The recipe calls for one kind of fruit and one kind of juice. There are seven kinds of fruit in two kinds of juice to choose from how many different smoothies can Dale? make

**math**

carlos makes geometrical artworks out of sheet metal. the dimensions of a full size sculpture will be 6 times the dimensions of the model shown below. He will not use any metal for the bottom base of the cylinder. How many square feet of sheet metal will carlos use for the ...

**Math**

Musa paid sh 180 for a shirt after getting à discount of 10%.the shopkeeper made a profit of 20% on the sales of this shirt.what % profit would the shopkeeper have made if no discount was made??

**math**

graphing in the coordinate plane unit test 3. which ordered pair is not a solution of y= -12x - 3 a.(-3,33) ***** b.(8,-98) c.(-9,105) d.(3,-39) 4.not posted 5. find the three solutions of the equation y = 7x - 5 a.(3,-26),(-1,-12),(3,16) b.(-3,-26),(-12,-1),(16,3) c.(-3,-26...

**Math**

Rational numbers are fractions and their opposites. All of these numbers are rational numbers. Show that they are rational by writing them in the form a/b or -a/b. 0.2-1/5 -√4 0.333-333/1000 √100 -1.000001 √1/9 All rational numbers have decimal representations, too. Find...

**Math**

Rakesh was fixing a jigsaw puzzle

**Math**

At the veterinarians office, Terri learnee that her dog weighed 4 times as much as her cat. Together the pets weighed 40 lbs. How much did the dog weigh?

**Math- Please help Im stuck**

ak=(2^(2k)k!)/k^k In this problem use the Ratio Test to decide whether the series converges. which is not the series is divergent. Compute L=lim|av(n+1)/(avn)|and find the numerical value of the limit L n->infinity "v" means down

**Math**

A stained glass window has an area of 900 square inches. A. Once a window design is made of rectangular pieces that are 5 inches by 3 inches. How many stained glass pieces are used in the window? B. Another window design is made of square stained glass pieces that are 6 inches...

**Math**

The dimensions of a box are 10 in by 15 by 20. Each edge of the box will be fastened with tape. How many inches of tape are needed? Use make a drawing strategy

**math**

Mr. Ismail invested sh. 36,000 in the bank which gives an interest of 20% per year. After how long will he get sh. 43,200? #please people help me this question how to arrive to final answer. Also i need to know if sh. 43,200 is either the total amount of money (P+I) or the ...

**Math**

Using the systematic list, solve. Dead eye, Joe made 15 points in the basketball game. 3 points given for a long shot, 2 points given for a field goal, and 1 point is given for a free throw. How many ways can dead eye Joe score 15 points. I came up with 11. But I think I am ...

**Math**

When might it be more useful to use a graph rather than a function rule? A function rule rather than a graph?

**math**

The formula for the surface area of a cylinder is A=2πr^2+2πrh. (A)Solve for r and simplify the result, if possible. (B) If the surface area of a cylinder is 100 square feet and the height is 40 inches, what is the radius of the cylinder in units of feet? Round your answer ...

**math**

Mr. Ismail invested sh. 36,000 in the bank which gives an interest of 20% per year. After how long will he get sh. 43,200? #please people help me this question how to arrive to final answer. Also i need to know if sh. 43,200 is either the total amount of money (P+I) or the ...

**math**

The projected number N of Wi-Fi enabled cell phones (in millions) in the U.S. can be modeled by the function N=-0.4x^2+21x+35, where x is the number of years since 2009. If the trend continues, find the year in which the projected number of Wi-Fi enabled cell phones will first...

**math**

Find the missing value so that the two points have a slope of -11/7. (2,6) and (x,-5)

**Math**

Complete the table Yards is blank Feet= 29 Inches= 348 Help find yards Help solve

**Math**

Kelly likes red marbles. Each of her 12 bags of marbles has 2/7 red marbles. How many separate bags of red marbles can she make? How to I work out this problem? Im not sure how to set it up, thanks!

**Math**

Python length complete chart Yards_____ feet 29 inches______ Please help solve

**math**

the ratio of the number of boys to the number of girls is 3 : 2. if each boy receives 2 pieces of paper and each girl receives 3 pieces of paper, how many children are there altogether if a total of 1992 pieces of paper are needed? im not sure if this is right, but i got 797 ...

**math**

of the first 20 customers at a restaurant one night 12 ordered a bowl of chicken noodle soup. at this rate how many bowls of chicken soup will be ordered if there are a total of 150 customers

**math**

Jerry mixes the letters F,P,M,M,M,F and j thoroughly.without looking. Amanda draws one letter expresses as a fraction, decimal, and percentage, what is the probability that j will not be the letter Amanda selects. 7/8 0.875, 87.5% <<<< 5/8 0.625, 62.5% 1/8 0.125, ...

**Math**

Can someone help me on how to do this without a calculator. It would really help me out thanks The problem is below An item on sale costs 65% of the original price. The original price was $15 .

**math**

I'm trying to factor a problem and cannot seem to get it to work out --- 12a^3 + 10a^2 - 8a I first factored out the gcf of 2 to get 2a(6a^2 + 5a - 4) From there I keep coming up with answers that are incorrect when I check them -- any suggestions please?

**Math**

Geometric And Arithmetic Sequences a store manager plans to offer discounts on some sweater acording to this sequence: $48, $36, $27, $20.255,... What would be the price of a sweater after 8 discounts? Is this an arithmetic or geometric sequence?

**math**

What is arithmetic sequence?

**consumer math**

help me, please......Solve the following problem. Last year's sales were $14,200. Sales have increased 57% this year. How much is the increase? $

**math plz heeeeelp!!!**

what would be the best graph to represent the equation y= x - 2? on my quiz it has straight lines,.

**math**

Suppose that the position y (feet) of a projectile above the ground is described by the equation y=-16t^2+70t+2, where t is the time elapsed (seconds) since the object was launched. (A) What is the initial position of the object? (B) When will the object strike the ground? ...

**math**

(A)Write the equation in standard form and calculate its discriminant. (B)Solve the equation by using the quadratic formula. (C)After solving the equation, write it in factored form. 7x(x-2)+2(x+4)=3 Please help!!!!! :(

**Math**

The volume of a spherical balloon of radius r cm is V cm3, where . Find dv/dr My answer: 4πr^2 The balloon leaks at 5cm^3 per second, how fast does the radius of the balloon leaks when the radius is 15 cm. Find the rate at which the radius is changing with time when the ...

**math**

find the amount of an annuity of $5000 payable at the end of each 3 months for 8 years,if money is worth 12% compounded quarterly.

**Math**

This year was first year of online school, and it was the WORST! (I go to connections and I would never advise it to anyone!) Anyways the math FSA for 6th grade is coming up, and my school did not do a good job teaching me, I hardly feel like a learned ANYTHING! And when I ...

**math;)**

Julia wants to simplify the term sec^2 theta-1/cot^2 theta+1 in a trigonometric identity that she is proving. Which of the following identities should use to help her? Select all that apply. (2 ANSWERS) a. sin^2 theta+cos^2 theta=1 b. sec^2 theta-tan^2 theta=1 c. sec theta=1/...

**Math**

A map has a scale of 1:2500 and on it is a square plot of land which has an area of 4cm squared.calculate the actual area in hactares of land?

**math**

Stock bottle: Benadryl 50mg 720 mL. How many 4 oz bottles can be filled from this stock bottle?

**Math**

Craig went to an auction and bought five different items. Use the clues below to determine the price he paid for each item. 1. the chair was the most expensive item, which sold for $95. 2. The range of the prices of the five items was $75. 3. The stereo was the least expensive...

**Math**

The seats at the auction were each 0.47 meters wide. If there were 12 seats in each row, how long was each row in meters? (Assume that there was no space between the seats.)

**math**

if cos 2theta=1/3 and 0 less than or equal to 2theta less than or equal to pi, find cos theta

**math**

rewrite the given equation using the substitutions x=r cos theta and y=r sin theta. Simplify your answer. x^2+y^2+3x=0

**math**

write the expression (x^2(+4))^0.5 in terms of theta when x=2 tan theta

**math**

if you were to kick a rock on mars at a velocity of 56 feet per second from the top of a 30 foot hill and the equation models h=-1.9^2+56t+30 where h is height and t is time. How high will the rock get of the surface?

**math**

your friend tosses a ball into the air at an initial velocity of 18 feet per second.The equation h=-8t^2+18t+5 models the height h of the ball t seconds after it was thrown. When did the ball reach its highest point?

**Finance Math**

Maytag Company earns $4.80 per share. Today the stock is trading at $59.25. The company pays an annual dividend of $1.40. Calculate (a) the price-earnings ratio (round to the nearest whole number) and (b) the yield on the stock (to the nearest tenth percent)

**Math**

Which is a figure with 4 congruent sides and no right angles? I think it rhombus. Am I right

**Math**

The side of 2 square fields are in the ratio of 3:5.the area of the larger field is 576m^2 greater than the area of the smaller field .Find the area of this smaller field?

**Consumer Math**

Please help :) 1.You get a part-time job earning $8.60/hr. Tips are $3.25/hr on average. You work for 15 hours. What is your gross base pay? 2. You are paid $9.25/hr at your part-time job. You are considering working a part-time job for $5.90/hr that also pays an average of $4...

**Business Math**

Lena Horn bought a Toyota Tundra on January 1 for $30,000 with an estimated life of 5 years. The residual value of the truck is $5,000. Assume a straight-line method of depreciation. a. What will be the book value of the truck at the end of year 4? b. If the Tundra was bought ...

**Finance Math**

Rafael Sandino’s parents are in their retirement years. They just received $501,000 after taxes from the sale of their vacation home and decided to invest the money in a bond mutual fund. They chose a no-load mutual fund that yields 6%. a) How much will they receive each ...