# Math

## Recent Questions

**Math**

Dan makes a sand box for his school project that has a volume of 4.375 cubic feet. The base of the box is 2.5 feet long and 3.5 feet wide. How deep is the sandbox?

**Math**

A rectangular cookie tin is 14 inches long, 7.6 inches wide, and 3.4 inches tall. What is the capacity of the cookie tin?

**Math**

Joy is 2/3 as old as Lyn;Six years ago,Joy is 20 less than Lyn's age,How old are they Six years ago?

**Math**

−11+8+n=−11+8+n=_____ +n

**Math**

Hello. Can someone help me? I'm not very sure about some of these :( Stephen read a 90-page book in 6 days. If he continues reading at that rate, how long will ittake him to read a 300-page book? Answer: 20 days. I found this by doing 90/6=15, and then 300/15=20. Mrs. Walters ...

**math**

The points P (2, −1), Q (−4, −1) and R (−1, 3√3 − 1) are joined to form a triangle. Prove that triangle PQR is equilateral. I get that you use the distance formula to find the distance between these three points, which will prove that PQR is equilateral. I have ...

**math**

Do males or female high school basketball players have a better chance of playing on college teams? On professional teams? Include probability numbers high school players: male - 549,500 female - 456,900 college players: male - 4,500 female - 4,100 college players drafted by ...

**math**

You are ordering photo prints online to send out to all your friends for the holidays. The first 20 prints cost 12¢ each, if you order more than 20 the price of the additional prints goes down to 8¢ each. a. Write a function to describe the cost of the prints. b. What is the...

**Math 115**

Create a piecewise function of the following scenario where Upper D left-parenthesis t right-parenthesis is the total distance walked (in miles) as a function of time t (in minutes): “You begin a walk from your home at a fast pace of 3 miles per hour for 30 minutes. You rest...

**Math 115**

Create a piecewise function of the following scenario where Upper D left-parenthesis t right-parenthesis is the total distance walked (in miles) as a function of time t (in minutes): “You begin a walk from your home at a fast pace of 3 miles per hour for 30 minutes. You rest...

**math**

Searches related to what is the answer to Triangle ABC has two sides that measure 12 inches and 16 inches. Which could be the measures of the corresponding sides of a triangle that is similar to triangle ABC? 1. 10 in and 14 in 2. 9 in and 12 in 3. 6 in and 10 in 4. 3 in and 8 in

**math**

if we have : (x + a)^2 and (x +b)^2 what will be the general form of the square of a binomial B ?

**Math**

Need some help setting this up. Thank you. A dance studio measures 150 feet by 120 feet. A scale drawing of the dance studio floor measures 10 units by 8 units. What scale was used to create the scale drawing? A) 1 unit: 8 feet B) 1 unit: 10 feet C) 1 unit: 15 feet D) 1 unit: ...

**Math calculus 2**

Find the volume of the solid generated by revolving the given region about the line x=16: y=4-x,y=0,y=2,x=0.

**Math calculus 2**

Let S be the region of the xy-plane bounded above by the curve ((x^3)*y)=64, below by the line y=1, on the left by the line x=2, and on the right by the line x=4. Find the volume of the solid obtained by rotating S around (a) the x axis (b) the y axis (c) the line x=2

**Math calculus 2**

Find the volume of the solid generated by revolving the region enclosed by the curves y=5*(sqrt(x)), y=0, and x=2 about the line x=9.

**Math calculus 2**

A propane tank is in the shape generated by revolving the region enclosed by the right half of the graph of (4*x^2)+(64*y^2)=144 and the y-axis about the y-axis. If x and y are measured in meters find the depth of the propane in the tank when it is filled to one-quarter of the...

**Math**

Barbara makes a scale drawing of a statue using the scale 1 centimeter =5 feet. Her drawing measures 12 centimeters tall. Kyle makes a scale drawing of the same statue using the scale 1 centimeter=4 feet. How many centimeters tall is the statue in Kyle's drawing?

**Math**

Age| Percent of listeners| Degree Measure| 18-24 11% ??????????????

**Math**

The model builder has 4 pieces of balsa wood that are 4 cm,5 cm, 6 cm, and 7 cm in length. How many different combinations of 3 pieces can be used to make triangles without breaking or cutting the pieces? List the combinations as inequalities.

**math**

if we have : (x + a)^2 and (x +b)^2 what will be the general form of the square of a binomial B ?

**math**

In a recent year, 23.3 % of all registered doctors were female. If there were 46,800 female registered doctors that year, what was the total number of registered doctors?

**Math**

After school, Laura babysits one child for 50 minutes. The rest for 10 minutes read for 15 minutes and play for the rest of the time write the total babysitting time the resting time and the reading time as fractions of an hour

**math**

Surface Area: 4r^2 41.25^2 S.A= 19.6 inches^2 Volume: 4/3r^3 4/3 1.25^3 V=8.2 inches^3 could someone check my math?

**math**

Abigail lives in an off-campus apartment. Some days she rides her bike to campus, other days she walks. When she rides her bike, she gets to her first classroom building 36 minutes faster than when she walks. If her average walking speed is 3 mph and her average biking speed ...

**geometry**

math 7 b unit 2: measurement lesson 2: Area and Perimeter of triangles. who has the answers to this from connections academy

**Math**

Diego has $11 and begins saving $5 each week toward buying a new phone. At the same time that Diego begins saving, Lin has $60 and begins spending $2 per week on supplies for her art class. Is there a week when they have the same amount of money? How much do they have at the ...

**MATH helpp!!**

Find the range of the function f(x)=4x-1 for the domain {-1,0,1,2,3} A){-5,-30,7,11} B){-5,-4,-3,-2,-1} C){-11,-7,-3,1,5} D){-5,-1,3,7,11} Can someone help, am i right is the answer B????

**Math**

The sum of half a number and 5 is 9. What is the number?

**geometry**

find the values of angles X, Y, and Z. x=91; y= 51;z=31 x=89; y=91; z=0 x=60; y=120; z=31 please HELP!!! math 7 B unit 1 geometry test!!!! anyone from Connections Academy 7th grade please help me

**math**

why is a spheres volume to surface area ratio the lowest out of a sphere, cylinder, and a cube? this is part of how im going to do this big project im doing, and i know a sphere has the smallest one, im just not sure why

**Math**

What is the experimental probability that the next vehicle that comes on the lot will be a red car? Red White Silver Car 45 41 46 Truck 21 24 23

**Math**

Ashley needs 4.6 yards of chain to hang some flower baskets. The chain is sold by the meter. She knows that 1 yard=0.914 meter. How many meters of chain does Ashley need?

**Math**

I swam 10 cycles in 13.5 seconds what is my stroke rate?

**Math**

1. Write a ratio and a percent for the shaded area. A. 6/25, 30% B. 3/50, 6% C. 6/25, 24% D. 3/10, 30% 2. Model 24% on a 5 x 5 grid. Cant do the answers, but if you did it please tell me! 3. Write a ratio as a percent In the seventh grade class, 19/25 students voted in favor ...

**math**

How do i solve a set of equations that are set equal to eachother?

**Math**

Which Solid has one base that is a rectangle and four lateral surfaces that are triangles? A triangular pyramid B Cone C rectangular prism D rectangular pyramid *** Am I right?

**MATH**

_DE MORGAN'S LAWS_ (a). (A n B)^c = A^c U B^c (b). (A U B)^c = A^c n B^c Please friends I need solutions to this set

**Math**

4 balls and 3 pen cost 12 find the 6 ball and6 pen coat

**math**

A rubber band is stretched around the four circles (each with radius r cm). i) Show that the total length of the rubber band is given by the expression r(8+2π)cm. ii) Show that the area of the shape is given by the expression r^2(12+π) cm^2

**MATH**

does anybody know how e^−b(3.55 s)/(0.310 kg) = 0.750? I don't understand how it could equal .750

**math**

A spool of rope contains 73 yards of rope. How many 4-foot pieces of rope can be cut from the spool? How much rope is left over? There are nothing pieces of 4-foot rope that can be cut from the spool. (Type a whole number.)

**Math**

On Saturday, you spend $33, give $15 to a friend, and receive $20 for mowing your neighbor’s lawn. You have $21 left. Use two methods to find how much money you started with that day. You started with $ that day.

**Math**

A fuel oil tank is an upright cylinder, buried so that its circular top 12 feet beneath ground level. The tank has a radius of 6 feet and is 18 feet high, although the current oil level is only 13 feet deep. Calculate the work required to pump all of the oil to the surface. ...

**Math**

How much work is required to lift a 700kg satellite to an altitude of 1x10^6m above the surface of the earth? The gravitation force is F=GMm/r^2, where M is the mass of the earth, m is the mass of the satellite, and r is the distance between them. The radius of the earth is 6....

**Math**

A trough has width w=4ft, length L=19ft, and height h=7ft. Find the work to pump all of the water over the top of the trough with units.

**Math**

When factor pairs begin repaying, I have found all the pairs for a number.

**Math**

How do they get this answer? What proportion of the students scoring between 292 and 310 in Professor Zangs? ZANG: MEAN: 295 STANDARD DEVIATION: 13 Answer: .4659 or 47%

**Math**

An airplane traveled 1,991.25 kilometers at an average speed of 885 kilometers per hour. How long did it take for the airplane to travel this distance?

**Math**

Ali reads a story and a play. The play has 165 pages, which is 5 times as many pages as the story. Which equation could you use to find s, the number of pages in the story?

**Math? Algebra?**

Jason set a goal for himself to get a score no higher than 84 on his next round of golf. Write the inequality that represents all the possible scores, x, that Jason could get on his next round of golf.

**Math**

The Mississippi River is about 25/25 the length of the Missouri River is 2540 miles long how long is the Mississippi River

**math in society**

You have $400,000 saved for retirement. Your account earns 8% interest. How much will you be able to pull out each month, if you want to be able to take withdrawals for 15 years?

**math in society**

You have $400,000 saved for retirement. Your account earns 8% interest. How much will you be able to pull out each month, if you want to be able to take withdrawals for 15 years?

**Math**

Marissa and her friend walked to the park on Saturday. the park was 600 meters away from marissa's house. how far did the girls walk in kilometers?

**Math**

An 8 foot long pole is propped against a fence to hold it up. The pole makes a 60 degree angle with the ground. How far above the ground does the pole come in contact with the fence?

**math**

Solve: {(3r+s)/(10r^2-3rs-s^2)}+{(2r-s)/(2r^2+rs-s^2)}

**math in society**

You have $400,000 saved for retirement. Your account earns 8% interest. How much will you be able to pull out each month, if you want to be able to take withdrawals for 15 years?

**math**

The previous diagram represents a scale drawing of a hexagonal garden. The scale factor is 1 cm = 0.5 m. What is the area of the garden?

**math**

A parking lot space is in the shape of a rectangle. If the space has a length of 23 feet and a width of 12 feet, what is the area of the parking space?

**math**

the temperature decreases by 2 degrees celcius every hour for 8 hours. than 4 degrees celcius every hour for 3 hours. what is the overall change in temperature?

**Math**

A baker is decorating the top of around cake with cherries. The diameter of the cake is 9.5 inches. Each cherry is 0.75 inches in diameter. About how many cherries will the baker need to decorate the perimeter of the top of the cake?

**Math**

A skydiver jumped out of a plane and descended 0.66 miles in 1.5 minutes. What was the skydiver's average change of altitude per minute?

**Math**

The volume of a rectangular pyramid is 4,000 cubic feet. The area of the base is 40 square feet. What is the height of the pyramid?

**Math**

Jasmine paid $25 for two binders and one pack of pends. The pack of pens cost $5. What is an equation you can use to find the price of each binder? I came up with 2x+5=25. My math teacher wrote y=____x + _____.

**math**

Which is a better shape for an icecube; a cube, sphere, or cylinder? im thinking cube because then its harder for the sun to get on all sides of it, which would make it melt faster. Does that make any sense?

**math**

unit 2 lesson 10. three views of an object. pls help

**math**

I need help on unit 2 lesson 10. three views of an object. pls help

**Math**

For a field trip, a bus company charges a flat fee plus an additional fee per student. For 25 students, the total cost is $167.50. If there are 70 students, the total cost is $370.00. Write an equation that represents the total cost y of the field trip for x students. What ...

**Math**

Solve: ((3/n)-(2/m)) ------------------------ (9m^2)-(4n^2) ----------------- mn ----- AND / = fraction bars

**Math**

How are exponential growth and decay present in the real world? Give at least 2 examples for exponential growth and 2 examples of exponential decay.

**Math please help !!!!!!!!**

1. similar polygons are .... different shapes. 1.always 2.sometimes 3.never 2. how many lines of symmetry could an isosceles trapezoid have? 1. 0 2. 1 3. 2 4. 3 I'm from connexus and I'm taking the tools of geometry math test .

**Math**

Jackie buys a basket for $6, 2 pounds of apples for $3.50 per pound, and 2 pounds of oranges for $3.50 each per pound. The tax for the whole purchase is $1. Express the tax as a percentage.

**Math**

Find the constant of proportionality and the unit rate for the data in the table then write an equation to represent the relationship between time tea and distance D.

**Math plz help fast**

1. P(7) (1 point) 1/7 1/8*** 3/8 7/8 2. P(not 7) (1 point) 1/7 1/8 5/8 7/8*** 3. P(a multiple of 2) (1 point) 0.25 0.5*** 0.625 0.75 4. P(a factor of 12) (1 point) 12.5% 25% 50% 62.5%*** 5. Which event has the greatest likelihood? (1 point) spinning 7 spinning not 7*** ...

**Math**

Please help! Struggling on these few. Thank you :) 2. Which list has the numbers in order from least to greatest? 9.4 × 102, 4.9 × 102, 9.4 × 103 9.4 × 103, 4.9 × 102, 9.4 × 102 4.9 × 102, 9.4 × 102, 9.4 × 103 4.9 × 102, 9.4 × 103, 9.4 × 102 3. A company's ...

**100th day of school work**

If you made a stack of nickels 100 inches tall, how many nickels will you need????????????? ARRRRRRRR! Math is soooo hard! Especially without a calculator!

**math**

What is the phase shift of y=(3/4)(cos4x-3π)*

**Math**

If w is partly constant and partly varies directly as x and w=9 when x=4 w=27 when x= 16 find An equation connection x and w And (b) the value of w when x =8

**MATH**

does anybody know how 1.04(cosA)^2 + 0.2(cosA) -0.75 = 0 become (cosA)^2 + 0.192(cosA) - 0.721 = 0

**Math**

Which expression are equivalent to 5+4.2-(-3)? 5+(-4.2)-3 5-(-4.2)+3 5-4.2-3 5+(-4.2)-3

**Algebra2**

i need math help is there someone who can help me

**Math**

Use mathematical induction to prove the property for all positive integers n. A factor of (n^3+3n^2+2n) is 3.

**Math**

A pet store installs a new aquarium in your teacher's classroom. What is the volume of the aquarium? Sides: √3 ft, √6 ft, √5 ft

**Math**

What is the area of the rectangular billboard? Sides: 20√7 ft and 7√8 ft

**Math**

Which situation can be represented by the expression x plus negative 3? Choose all that apply. A.An elevator went down 3 floors. B.A person spent $3. C.A person added 3 books to the shelf. D.The temperature dropped 3 degrees. My Answers are B and C

**math**

Find the projection of the line 3x – y +2z – 1 = 0, x +2y – z = 2 on the plane 3x + 2y +z = 0.

**math**

1) If y=kx, where k is a constant, and y=128 when x=16, what is the value of y when x is increased by 25%? (I got 160?) 2) Aaron calculates using a certain foot and line spacing, that each page of a typed document contains at least 240 words and at most 260 words. What is the ...

**Math**

There are 20 pink balloons in a bunch of 100. 34 people out of 100 like pink balloons( versus other colors). What is the probability that a person liking pink balloons gets 5 pink balloons when taking 7 random balloons from the bunch? (dependent events)

**Math**

What is the probability of in a room with 15 people, there will be at least one shared birthday?

**Applied Math**

Finding the perimeter.(I checked the other examples on this site but was unable to fine one that I could use that explain the steps . SO can you please help me someone.) If a rectangle length is 6.2 and width is 3.6cm.

**Math**

What is the probability if two dice are thrown of rolling a 5 with one and a 6 with the other?

**Math**

Suppose you decided to keep flipping a coin until it came up tails. Which of these is most likely? a.flipping the coin 11 times b.flipping the coin 12 times c.flipping the coin 14 times d.flipping the coin 13 times

**MATH**

Can someone pls help me Input Output 32 20 14 2 ? -14 -10 ? I am not so sure how to even start or figure it out.

**Math**

SO! how do I solve this problem in inches? A triangle with sides that measures 2 1/2 ft., 20 in., and 1/2 yd. Answer in inches

**Math**

Please help me to understand what it is that I need to do. A rectangle whose length is 5.3 cm and whose width is 2.5 cm

**Math**

How can you find the surface area of a composite solid made up of prisms? I am confused on this and have never done this.

**Math**

What is the square root of 16? A) 3/17 B) sq25 C) 0.6 D) sq 33 I think C Thanks

**math**

please check my work :) which pair of ratios can form a true proportion a-1/2 6/10 b-6/8 5/20 c-3/5 6/10* d-3/9 7/80 thanks

**Math**

A rectangular garden planter is 4 feet long, 1.5 feet wide, and 1.5 feet tall. How much soil can it hold?