# Math

## Recent Questions

**Math**

A, B and C are 3 points on the level ground.B is due south of A . The baering of C from A is 085. A vertical mast of height 50m stands at A. The angle of elevation of T from B is 44 and the angle of elevation of T from C is 28 Calculate AB,AC, CB

**Math**

Solve the equation: sin^-1 (4x^4+x^2) = 1/6 pi

**math algebra three system equation**

2x+y+2z=25 3x-y+6z=48 5x+2y+4z=55 I got stuck after step 2 of trying to eliminate the first two equations where do I go from their and would kindly like full explanation of how to solve it so I can practice it out. Thank you :)

**Math intermediate algebra**

The perimeter of a triangle is 33 inches. The sum of the length of the longest side and twice the length of the shortest side is 31 inches. Twice the length of the longest side minus the sum of the lengths of the other sides is 12 inches. Find the lengths of all sides. How do...

**MATH HELP PLS**

19. Mr. Green teaches band, choir, and math. This year, he has 57 students that take at least one of his classes. He teaches band to 25 students. There are 48 students who take either band or choir or both. There are 9 students who take both math and choir with Mr. Green. Use ...

**Math**

Cassie rolled two 1-6 cubes 108 times. How many times should she predict the sum of 5?

**math**

shaline cuts out circles of diametre 5/4cm from a strip of dimensions 35/4 by 5/4cm how many full circles can she cut

**MATH<<<<<**

What are the mean, median, mode and range of the data set given the altitude of lakes in feet: –12, –9, –14, –39, –49, –49, –18, and –43?

**math**

49+51

**math**

the picture shows 12 flowers. there are 6 daisies, one sunflower, and 5 tulips. What fraction of the flowers are daisies?

**math**

Lupe is applying for a summer job. Six employees doing the same work earn $8.00, $8.50, $9.00, $9.50, $10.00, and $21.00 per hour. In the interview, the boss tells Lupe that the average hourly wage is $11.00. Is the boss's statement misleading? Why or why not? A- No; it best ...

**Math**

A prize machine randomly dispenses small toys. There are 1515 prizes left: 55 bouncy balls, 33 toy cars, 22 stickers, and 55 dinosaurs. Kai gets 22 prizes. What is the probability that they are both toy cars?

**Math**

If you roll a six-sided die times, how many possible outcomes are there?

**Math**

Order the fractions from least to greatest 2/3 5/8 1/8 3/4

**math**

In a rhombus ABCD, m∠A = 31°. Point O is a point of intersection of diagonals. Find the measures of the angles of triangle ΔBOC. I got 15.5 degrees for angle OCB and thats right all I need is the angles for OBC and BOC

**math**

a plan flying at an altitude of 1000 m begins to climb at a rate of 10 metres per second graph the first 10 seconds of the plane's ascent plot time on the horizontal axis and altitude on the vertical axis

**Math**

A car used 8 gallons of gas to travel 340 miles a mechanic fixed the car. Then it used 7 gallons of gas to travel 350 miles. Gas cost $4.00 per gallon. How much less to the nearest cent per mile did it cost to run the car after mechanic fixed it

**Math *help***

Find each product. 5/6 x 10 A.8 1/3*** B.10 5/6 C.50/60 D.5/60 help please ^_^

**math**

After taking 20% off the original price, Victor paid $14 for a book. What was the original price of the book? My guess is 16.8 it is not a Q&A it is write your own please help.

**Math**

Graph the linear equation 5. y = 3x + 3 My answer: D (probably wrong) 6. Find the slope of the line through (-9,-10) and (-2, -5) A: -5/7 B: 7/5 C: 5/7 D: -7/5

**Math**

Can someone please clarify this for me? Create two different situations: one in which you use combinations and one in which you use permutations. Include specific details and an explanation about what makes each situation either a combination or permutation.

**Math**

Untitled Stem and leaf plot. Vertical line separates each stem number from its first leaf number. First row. Stem 2. Leaves 6, 7, 7. Second row. Stem 3. Leaves 0, 2, 3, 3, 4. Third row. Stem 4. Leaves 0, 5. Key. 3 vertical line 0 means 30. What is the median of the data in ...

**Math**

A zoo measured the wingspan, in millimeters, of 9 butterflies. 55 50 54 57 50 55 53 52 55 What is the median length of the wingspans? 50 mm 54 mm 55 mm 57 mm I think it is 54 mm.

**math**

the average stone on the lowest level of the great pyramids was a rectangular prism 5 feet long by 5 feet high by 6 feet deep and weighed 15 tons. what was the volume of the average stone

**Math**

A zoo measured the height, in feet, of 9 giraffes. 18, 16, 22, 14, 17, 19, 15, 19, 22 What is the median height of the giraffes? 16 ft 17 ft 18 ft 19 ft I think it is 17 ft.

**Math**

We are learning about linear and exponential growth and simple and compound interest. How do I know if I use .02 if my growth rate is 2% or if I use 1.02? What is the difference if I have the 1 in front? I'm a little confused about that. Thank you.

**Math**

a book cover has the length and width (in inches). top 31-b, bottom 2+a+2b,sides 3a - b and 2+a+2b,find the values of a and b? Find the perimeter of the book cover.

**math**

use integer values of x from-3 to 3 to graph the equation y=2x^2=3 can you tell me the coordinates, then i can graph it, i just dont understand how to get them. thanks.

**math**

what amount was borrowed for which the amount of interest is $ 200 at the rate of 5% for 4 years.

**Basic Numeracy and statistics (math)**

A rocket is shot into the air with an initial velocity of 800m/sec. The equation h = -16t2+144t models the height of the ball. how long does it take for the rocket to hit the ground (h=0)?

**Math**

Cosmic ray bombardment of the atmosphere produces neutrons, which in turn react w/ nitrogen to produce radioactive carbon-14. Radioactive carbon-14 enters all living tissue through carbon dioxide. As long as it is alive, carbon-14 is maintained in the organism at a constant ...

**Math - Probability**

3 letters are typed, with repetition allowed. What is the probability that all 3 will be vowels? Write your answer as a percent. Round to the nearest hundredth of a percent as needed.

**Math**

N(t)=2000e^(1.1t) the continuous growth rate is 110% effective growth rate?__% Q(t)=65e^(0.09t) continuous growth rate is 9% effective growth rate?__% G(t)=650e^(0.055t) continuous growth rate is 5.5% effective growth rate?__% round to 2 decimal places when necessary for ...

**Math**

How many times greater is the 4 in the hundreds place than the 4 in the ones place in the number 536,494

**Math**

The equation C=5h+10 represents the cost, C dollars, to rent a bicycle for h numbers of hours. A) write the equation in function notation

**Math**

P= P(initial)(1/2)^(t/80) I found Half-line:80 P=Pinitial(e)^(rt) i cant seem to find what r is. Help

**math**

the daily production of two factories A and B are 300 and 200 bottle respectively .2% of the product o f each factory are found to be defective .if 6 defective bottle are randomly selected from a daily production of A and B .find the probability that 4 of the defective bottles...

**Math(PLEASE HELP ME ASAP)**

what is the area of the circle 4 mm use 3.14 for pi

**math**

Can anyone give me any word problems

**math**

Water is being poured into a conical cup that is 12cm tall. a) When the water in the cup is 9cm deep, what percentage of the cup is filled? b) When the cup is 75 percent filled, how deep is the water?

**Math**

A rectangular grassy area in a park measures 50 yards by 100 yards. The city wishes to put a uniform sidewalk around the grassy area which would increase the area by 459 yd^2. What is the width of the sidewalk?

**Math**

Roy has a patio that covers 434 ft^2. He wants to increase his patio 196ft^2 by adding 4 feet to both the length and the width. The length of the original patio is three feet more than twice the width What is the length of the new patio?

**math**

Beaudoin Haulage has signed a five-year lease with GMAC on a new dump truck. Lease payments of $4500 are made at the beginning of each month. To purchase the truck, Beaudoin would have had to borrow funds at 8.7% compounded annually. (Do not round intermediate calculations ...

**Math**

which of the following could be represented by -8

**math**

Payments of $1690 at the end of every six months will pay off the balance owed on a loan in 9.5 years. If the interest rate on the loan is 9.9% compounded semiannually, what is the current balance on the loan? (Do not round intermediate calculations and round your final ...

**math**

Monarch Distributing Ltd. plans to accumulate funds for the purchase of a larger warehouse eight years from now. If Monarch contributes $12,000 at the beginning of each month to an investment account earning 4.5% compounded semiannually, what amount will Monarch accumulate by...

**math**

Given: ABCD is a rhombus, AB = 6, and m∠A=60° Find: The height.

**Math**

) Suppose that z=f(x,y)z=f(x,y) is defined implicitly by an equation of the form F(x,y,z)=0F(x,y,z)=0. Find formulas for the partial derivatives ∂f∂x∂f∂x and ∂f∂y∂f∂y in terms of F1,F2,F3F1,F2,F3. To enter your answer use F1, F2, F3 as the partial derviatives ...

**Math**

David uses 1/3 cup of apple juice for every 1/2 cup of cranberry juice to make a fruit drink.

**math**

An insect crawls on a piller 35m, it ascends 5m in the first minute but slips down 3m in the next minutes if it continous crawling in this way. what time it will take to reach at tha top of the pillar?

**math**

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side than from the larger side of the rectangle. The perimeter of the rectangle is equal to 56 cm. Find the lengths of the sides of the rectangle.

**Math 8**

A stop sign has each side measures of 12.4 inches, and the distance from any side to the opposite side is 30 inches. Divide the stop sign into one rectangle and two trappezoids. What are the dimensions of the rectangle and each of the trapezoid Ok I divided it 12.4 all 8 sides...

**math**

1.What are the mean,median,mode and range of the data set given the altitude of lakes in feet:-9,-36,-23,-8,-17,-52,-27,and-36? 2.Given the data 21,13,13,37,13,23,25,15 a.What is the outlier in the data? b.what is the mean with the outlier? c.what is the mean without the ...

**Math**

Jamie spenta total of $11.60 on 5dentical pens and a ruler .A rulercost$1.30less than a pen .how much did a pen cost?

**math**

A movie theatre sells two types of tickets: adult and child. On Tuesday, the theatre sold 100 adult tickets and 70 child tickets and made a total of $1,100. On Wednesday, the theatre sold 50 adult tickets and 50 child tickets and made a total of $625. How much is an adult ...

**math**

The sum of three consecutive integers if the least integer is X ?

**math**

Pawleys total earnings after 3 years if the first year his salary was X dollars. The second year it was 5000.00 higher, and the third year it was twice as much as the second year?

**Math**

A person walks on the building.He slips 1m for every 5m he climbs. If the building is 53m high and he takes 5 seconds to climb 1m. Find the total time taken by him to get on the top of the building.

**Math**

An atom of gold has a mass of 3.25x10^-22 grams.What is the mass of 8000atoms?Express in scientific notation.

**Math**

If 1/6 cup of icing covers 2/3 of a cake, how much icing is needed to cover the entire cake? A. 1/9 B. 1/6 C. 1/4 D. 1/18

**Math**

How do you put 0.125,0.1,and 0.12 from least to greatest?

**Math**

A person walks on the building. He slips 1m for every 5m he climbs. If the building is 53m high and he takes 5 seconds to climb 1m . Find the total time taken by him to get on the top of the building . Please- solve this problem using integers.

**Math**

A person walks on the building.He slips 1m for every 5m he climbs. If the building is 53m high and he takes 5 seconds to climb 1m. Find the total time taken by him to get on the top of the building.

**Math**

In the year 1997, the surface elevation of Lake Powell was 3887 feet above sea level. In the year 2001, the surface elevation of Lake Powell was 3577.4 feet above sea level. The surface elevation of Lake Powell is at a rate of

**math**

Jungle Warehouse signed a 9-month simple discount note with a face value of $5,600. Find the proceeds if the discount rate is 13%

**Math (Help please!)**

The points plotted on the coordinate plane below are three vertices of a rectangle. ht tp : //imgur dotcom /a/eix1I What are the coordinates of the fourth vertex of the rectangle? (Remove the word "Dot", and put a "." in it's place to access the link, and also remove the ...

**Math**

A person walks on the building.He slips 1m for every 5m he climbs. If the building is 53m high and he takes 5 seconds to climb 1m. Find the total time taken by him to get on the top of the building.

**Math**

Adeline and Mandy had some money in the ratio 3:7. After Adeline receive $92 and Mandy receive $40, both girls had an equal amount money. How much money did they have at first?

**math**

For each of the following examples: i) Express the negation of the statement using propositional notation, simplifying as much as possible, and ii) Express the statement (and its negation) in words, for the provided propositional functions. (a) ∀x, (p(x) ∨ q(x)), where x...

**math**

Let f(x) be a twice differentiable function (i.e. f(x), f′(x) and f′′(x) are defined for all x), and let a ∈ R (a is a real number). If f′(a) = 0 and f′′(a) > 0, then a is a strict local minimum of f. (a) Express the second sentence in propositional notation ...

**math**

Five years ago, A was three times as old as B and ten years later, A shall be twice as old as B. What are the present ages of A and B (in years).

**math**

The maturity value of a $28,000, 6%, 60-day interest-bearing note on August 6 is

**Math**

If the sides of a triangle are tripled, by what number would the area be multiplied? I Don't understand the question so I don't know how to show the work.

**Math**

ht t p: / / imgur. c o m / a/ Fn4gh I really need help with this question, I believe it is C, can someone help please? P.S: put the link in your web browser and remove the spaces to get access to the link, thank you.

**Math**

Plz i need this now!!!!!! 1. The present temperature is 5°C. The weather forecaster expects the temperature to fall 8 degrees during the night. How cold will it get? (1 point) –3°C 3°C –13°C 13° 2. Kyle had $25 and received $50 for his birthday. He went shopping and ...

**Math**

Find the area of the complex figure. The figure has 8 sides, all sides meet at right angles. The left-most vertical side measures 31 meters. The lower most horizontal side measures 69 meters. The right-most vertical side measures 31 meters. The upper right horizontal side ...

**Math**

On a number line, all points are marked that are 3 units away from −2. Write this requirement using the absolute value sign.

**Math**

from midnight to 6:00 am, the temperature rose 8 degrees C. At 6:00 am the temperature was -20 degrees C. What was the temperature at midnight? I have to idea where to start and when to stop. Please help!

**Math**

Find the area of the complex figure. The figure has 8 sides, all sides meet at right angles. The left-most vertical side measures 31 meters. The lower most horizontal side measures 69 meters. The right-most vertical side measures 31 meters. The upper right horizontal side ...

**Math**

Find the area of the parallelogram. It's A parallelogram has a lower side measuring 24 centimeters and a right side measuring 9 centimeters. A dashed vertical segment with endpoints on the upper and lower sides is 8 centimeters and meets the lower left vertex at a right angle.

**Math**

What is the surface area of the prism? It's A right rectangular prism has a length of 15 millimeters, width of 3 millimeters, and height of 4 millimeters.

**Math**

A quilt design uses parallelogram-shaped pieces that have a base measure of 4 inches and a height of 6 inches. If 15 pieces are used in the quilt, what is the total area of the parallelogram-shaped pieces in the quilt? 1.225 in. 2.360 in. 3.(450 in.) 4.900 in.

**HURRY MATH!**

The graph below shows Cara's earnings according to the number of hours she works. (Graph: The graph has an x axis labeled 'Number of Hours Worked' with coordinates labeled from 0 to 40 in multiples of 5. The y axis is labeled 'Number of Dollars Earned' and is marked from 0 to ...

**Math**

The perimeter of a triangle is 42 yards. The first side is 5 yards less than the second side, and the third side is 2 yards less than the first side. What is the length of each side?

**Math**

Cubes with edge length of 1/3 foot will be fit perfectly to form the right rectangular prism shown on the picture. Length 1 2/3, Width 1/1, and Height 2 1/3 1 cube = 1/3 ft 1) How many small cubes are needed to form the prism? 2) What is the volume of one of the small cubes? ...

**math**

One man went to a hotel and took a menu card that was written on. Hotel says that if you take anything, they will charge rs.25, but a bill came for rs.75. How is that possible?

**Math**

draw a diagram to represent 6 divided by 1/5

**Math**

Just want to check my answers. 1. What is one strategy to be sure of accuracy when you are doing online research? A. confirm the information in more than one source. B. use the same websites you always use. C. use websites that are not sponsored by a business. D. use websites ...

**math**

Find the product.11X(-3)X(-5) equals. 1) -165 2)-28 3) 28 4) 165 I think 4 Thanks

**Math**

Normally, I'm not bad with my math formulas but, in my current lesson I have having some issues. Can somebody please provide me with a (non-complicated) formula for finding the surface area and lateral are for both cylinders and prisms? Any help is much appreciated! Thanks

**Math**

1.9=O.25/0.16*x Find the value of x

**math**

An AP is given k,2k/3,k/3,0....calculate the sum of the first 30 terms

**Math 8**

A system of equations are shown below -y+2x=4 2x-y= -4 if i solve separately it has infinite solutions but if i solve together there are no solutions is it infinite or no solution?

**math**

the length of each edge of a cube is of length 3m. the edges are increased by 20%. Calculate the percentage increase in the volume of the cube.

**mATH**

The fish tanks at the Greene Pet Store each hold the same amount of water. Molly used 17 3/5 water.pitchers of water to fill 16 tanks. How many pitchers of water did she pour into each tank?

**internet/math**

this website video isnot working please help I have to finish my homework. it was working in school>

**math algebra**

$199.99 smartphonde on sale for $167. what percentage decrease is this 99

**Math**

How many CDs will a salesperson need to sell to make $52.80 in commission if the commission rate is 8% and the CDs sell for $12 apiece? I needed help I thought it has something to do with equation but guess not.

**Math**

The brother is elder to his sister by 6 years. Seven years ago the product of their age was 72.what is the age of brother.

**Math- Ms. Sue? Steve? Writeacher?**

Point A(4,2) is translated according to the rule (x,y)-->(x+1,y-5) and then reflected across the y axis a)In which quadrant of the coordinate plane is point A located? b) What are the coordinates of translated point A'? in which quadrant of the coordinate plane is point A' ...