# Math

## Recent Questions

**Ratios math**

The ratio of the number of cars to the number of SUVs in a parking lot is 4:1. The ratio of the number SUVs to the number of Minivans is 4:5. (A) Find the ratio of the number of minivans in the parking lot. (B) if there are 20 minivans, how many vehicles are there all together...

**Math**

PQR has vertices p(5, -1), q(0.8), and r(7,5). It is translated right 3 units and up 6 units. Find the coordinates of P', Q', and R'. A) P(8,5), Q(3,14), R(10,11) B) P(2,5), Q(-3,14), R(4,11) C) P(8,-7), Q(3,2), R(10,-1) D) P(2,-7), Q(-3,2), R(4,-1) Please help anyone, if you ...

**Math**

Marting throws a baseball upwards at a velocity of 80 ft/sec. The following equation models this situation: H (t) = -16t squared + 80t + 6 , where H(t) is the height of the ball in feet and t is the time in seconds after the ball was released. HOW LONG WILL IT TAKE THE BALL TO...

**Math**

In how many ways one can bake a cake using two of five possible sweeteners and one of three possible flours?

**Math**

Marting throws a baseball upwards at a velocity of 80 ft/sec. The following equation models this situation: H (t) = -16t squared + 80t + 6 , where H(t) is the height of the ball in feet and t is the time in seconds after the ball was released. HOW LONG WILL IT TAKE THE BALL TO...

**math**

A wholesaler purchases wheat at rs 280 per quintal and sells the same at rs 360 per quintal. if his overhead expenses were rs 10 per quintal, find his profit percent.

**math**

By selling a clock for rs 600 a man loses 25%. what should be the selling price for a profit of 25%.

**Math**

If a wheel has a circumference of 1.5 metres how far does it travel in 26 revolutions?

**math**

Krishan bought 2400 bananas at rs 15 a dozen. he sold 1350 of them at rs 4 and the remaining at 5 for rs 8. fins his gain or loss percent. /*( requested from my side to reply soon and you are doing good job thank you forever)*/

**math**

A man sold two clocks for rs 240 each, gaining 20% on one and losing 20% on the other find his gain or loss percent?plz reply soon

**math**

A newspaper vendor sells newspapers at a commission of 6%. He earns rs 75 per day. what is the cost of newspapers? /////////***vvvv.urgent****////////

**math**

A newspaper vendor sells newspapers at a commission of 6%. He earns rs 75 per day. what is the cost of newspapers?

**Math**

In an used book store, there are some different mystery novels on a shelf. Suppose there are 64 different ways to buy these novels, including not buying them. How many mystery novels are there on the shelf?

**Math**

The right triangle has an angle of 53 degrees. The opposite side is 6.4cm long. What is the adjacent ?

**math**

If i put 75,000 in a trust fund how much would i have in 8 years

**math**

a ________ represnts 25% of the data

**Math**

A committee of 5 people is to be formed from a group of 7 women and 4 men. How many possible committees can be formed if: the committee then must chose a president and a vice president, how many ways could these two positions be chosen? why is it permutations not combination? ...

**Math**

On a centimeter dot grid, draw all the possible rectangles with a perimeter of 14 cm and sides whose lengths are whole centimeters. Label the lengths of two adjacent sides of each rectangle.

**Math**

The heights of Japanese maple trees are normally distributed with a mean of 6 meters and a standard deviation of 0.2 meter. What percent of Japanese maple trees are between 5.5 meters and 6.7 meters tall?

**Math**

Leo wants to paint a mural that covers a wall with an area of 1734 swuate feet. The height of the eall is 2/3 of its length.What is the length and the height of the wall?

**Math**

The pressure P of a gas varies inversely with its volume, V. Pressure is measured in units of Pa. Suppose that A particular amount of a gas is initially at a pressure of 104 Pa at a volume of 108 L. If the volume is expanded to 432 L , what will the new pressure be ?

**math**

An account earns annual simple interest. Find the balance of the account. $2000 at 9% for 6 months = $

**math**

Megan had a gross pay last week of $980.00. If her total deductions were $161.35, what was her net pay?

**math**

what is 875 multiplied by 3/2?

**Math**

You have wood donated from Home Depot to build a booth to sell the shirts and hats from, but you need to provide dimensions for the panels. They are 4 feet high and come in a variety of lengths. The space you have to build your triangular stand is 5 ft by 12 ft rectangle in ...

**Math**

Create a container to store extra shirts and hats. Some shirts and hats get sold and no one comes to pick them up. They must be stored for next year. What size cylinder do I need to hold a volume of 800 in3 of shirts and hats(The cylinder must hold that volume), how do you ...

**Math**

You have wood donated from Home Depot to build a booth to sell the shirts and hats from, but you need to provide dimensions for the panels. They are 4 feet high and come in a variety of lengths. The space you have to build your triangular stand is a 5ft by 12ft rectangle in ...

**math**

Angle A measures (x + 6) °. Angle B is complementary to angle A and measures (3x - 8) °. find the value of x and the measures of each angle

**math**

The wheel in the figure has a diameter of 1 yard. The wheel is rolled forward as shown until the point marked A has undergone exactly one revolution around the wheel's axis. What number is represented by the distance in yards that the wheel has traveled along the ground? ...

**math**

You roll a number cube twice. Find the probability of the event. Rolling a number less than 2 and then a number more than 6 Rolling an odd number then an even number Rolling a 7 then a 5

**Math**

What size cylinder do I need to hold a volume of 800 in3 of shirts and hats(The cylinder must hold that volume)

**math**

If the first term in an arithmetic sequence is 15 and the tenth term is 69. What is the fourth term in the sequence?

**math**

In a box filled with 60 colored chips, 1/6 are blue, 1/2 are white, 1/4 are yellow, and 1/2 are purple. Find the probability of picking at random a purple chip or a white chip?

**math**

A scale drawing of an American flag is 14 inches long and 6 inches tall. The actual flag is 3 feet tall. a. True or False, the scale of the drawing is 2 in. : 1 ft. is it false? b. What is the perimeter of the american flag in the scale drawing? c. What is the area of the ...

**Math**

Austin is building a rabbit pen with 25 feet of fence. What are the dimensions of the rectangle hr should build to have the greatest possible area

**math**

Joan is going on a bike trip. She plans to ride 9 miles in 45 minutes. At what rate mi/min must she travel?

**MATH**

Find the largest possible rectangular area you can enclose assuming you have 128 meters of fencing.

**math**

Marie is using a rectangular box to ship a framed painting to a friend. The box is 20 inches wide, 24 inches long and 6 inches deep. What is the surface area of the box?

**math**

Growing up you lived in a country village. When you left for college, the population was 840. You recently heard that the population has grown by 5%. What is the present population?

**math**

an airplane flies at 150 mph and heads N 30 degrees east. A 40 mph wind blows it in the direction S 30 degrees E. What is the planes resultant velocity

**Math**

To get to school, you need to walk 9 blocks south and then 12 blocks east. What's the diagonal distance from the start.

**math**

A triangle has side lengths of 6 inches, 10 inches, 8 inches. How many triangles are possible?

**Math**

1.what payment methods borrow money from a financial institution 2.what payment methods does not borrow money from a financial institution

**Math**

Shoes are on sale for 15% off with an addition of another sale adding 25%. The shoes start at $80.00.

**Math**

148 percent out of 250%

**math**

A picture is copied onto a sheet of paper 8 inches by 10 inches. A 2-inch margin is left all around the picture. Find the length, width, and area of the picture. Length = 10 inches Width = 8 inches Area = 80 inches squared am i right?

**math**

7x + 5 8x + 9 find the value of x so that both the sum of the equations equal 180 when added together.

**math**

you deposit $200 in an account earning 3.5% simple interest. How long will it take for the balance of the account to $221?

**Math**

If a pulse is 20 beats in 15 second what is the pulse for 1 min.

**math**

An account earns annual simple interest. Find the balance of the account. $250 at 4% for 1 year = $260 $2000 at 9% for 6 months = $?

**Math**

5+x=59 What is x

**math**

1. Original price: $92 Discount: 15% What is the sale price? 2. Original price: $110 Sale price: $91.30 What is the discount? 3. Discount: 33% Sale price: $134.00 What is the original price? 4. Cost to store: $32 Markup: 16% What is the selling price?

**math**

Use the percent of change to find the new amount. $104 increased by 22% 120 brushes decreased by 25%

**Please help me with this math**

Solve for x. and show your work. -3x+5 less than or equal to -22 Note:where it says "less than or equal to" its the less than or equal to sign. Please help me!

**Math- Prob Stat**

In a Gallop Poll, 35% 18-23 year old's stated that they believe in ghosts. Find the probability that out of 16 students aged 18-23: A. Exactly 5 said they believed in ghosts. B. Exactly 5 said they do not believe in ghosts. C.Less than 11 said they do not believe in ghosts. D...

**Math(PleaseHelp!)**

Consider the following conjecture: the sum of two even numbers will be even. A.) give three examples supporting the conjecture. (I gave 2+2=4 4+4=8 10+10=20) B.) Prove the conjecture( this is the part I need help with)

**math**

20% of 200 is what number? 5% of what number is 8.5? What percent of 400 is 60?

**Math**

Which is equivalent to this expression -4(-3x)+5(-7) A. -12x + 35 B. 12x - 35 C. -7x + 12 D. 7x - 12 Which is equivalent to the inequality shown below? X/2 </= -15 A. X >/= 7.5 B X </= 7.5 C X >/= -30 D X </= -30

**Math**

P is a point 2m above the ground and 15m away from a tower. The angle of elevation of the tower from P is 65 degrees. Calculate the height of the tower.

**math help plsss plsss**

Decide which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring. −b b^2 − 4ac 2a Use the part of the quadratic formula that you chose above and find its value, given the following quadratic equation: 4x^2 + 6x + 2 = 0

**Math**

Consider the following conjecture: the sum of two even numbers will be even. A.) Prove the conjecture

**Math**

It was observed that the shadow of a vertical pole of 6 meters longer when the angle of elevation of the sun was 30° than when it was 60°.By means of a sketched diagram,calculate,correct to two decimal places,the height of the pole.

**math plz help my last chance to do this homework**

a) write an expression in simplest form for the perimeter of each triangle. b)write another expression in simplest form that shows the difference between the perimeter of the larger triangle and the perimeter of the smaller triangle.

**Math**

What is the equation of direct variation given that y is 16 and x is 2?

**math-need sir-steve badly asap**

show that L{f(t)}=f(s) then L{e^(kt)}.f{(t)}=f(s-k) where k=costant L=laplace transformation

**Math**

There is an expression some people use that says, “What you put into it is what you get out of it.” People might use this expression to describe your skills at a sport or activity and how that relates to the amount of time and effort you spend practicing that activity. ...

**Math**

Of 43 plays attributed to a playwright 16 are comedies, 15 are tragedies, 12 are histories. If one play is selected random find the odds against selecting a history?

**Math**

3. 2x^2+6x-7x+8-3x^2+1 A. 2x^2+x+9 B. -2x^2-x-9 C. -x^2-x+9 D. x^2+9 4. What are the coefficents in the polynomial 4x^2+3x-3 A. 4,-3,-3 B. 4,3 C. 4,3,3 D. -4,-3 6. (7x^2-x-2)-(6x^3+3) A. 6x^3-+7x^2-x-5 B. -6x^3+7x^2-x+1 C. -x^3-x-5 D. x^2-x+1 7. Suppose you earn 6t-2 dollars ...

**Math**

Find slope of the tangent like when x=1 and y=12

**math**

constract a triangle whose perimeter is 12.5cm and base angles are 60degree and 80degree?

**math**

A water pitcher contains 2323 gallon of water. You add 5757 gallon of water to the pitcher. How much water does the pitcher contain? Write the answer in simplest form.

**Math Help!**

I ned help in Unit 4 Lesson 12 Graphing in the Coordinate Plane Unit Test. I am from connections academy in 7th grade Semester 2! I NEED HELP ASAP

**Math/ ratios/ Fractions/ Singapore Math**

Holly and Ross had a total of $60. After holly spent 1/4 of her money and Ross spent $5, the ratio of Holly's money became 1:2. How much more money did Ross have at the beginning?

**Math/ more ratios**

Sam, Jimmy, And Andre shared a number of pennies in the ratio 6:5:7. Sam and Andre received a total of 754 pennies. How many more pennies did Jimmy receive than Andre? This doesn't make sense!! Please help. I hate ratios so much but if someone could help me understand this it ...

**math**

a box contains 3 red,2 blue,and 1 yellow marble. john picks a marble, does not put it replace it, then his brother tom picks a marble make a probability tree for the outcomes

**Math**

A lecture hall has 108 chairs arranged in rows with the same number of chairs in each row. You eliminate three rows by adding six chairs to each of the other rows. How many rows are there now ? How many chairs are in each row ?

**math**

Sandra has some money she spends 2/7 of it on a book & she spends 2/5 of the remaining money on a bag Sandra has $15 left how much did she have to start

**Math**

the larger of two numbers is three times the smaller number, and their difference id 34. find the two numbers.

**math**

fatima bought 1200 eggs at rs.16 a dozen. At what price per hundred must she sell the eggs so as to earn a profit of 15%. plz its urgent very very urgent try to solve soon.....

**math**

fatima bought 1200 eggs at rs.16 a dozen. At what price per hundred must she sell the eggs so as to earn a profit of 15%. /////****urgent****////

**math**

when 2 is added to both the numerator and denominator, of a positive fraction, the fraction thus obtained is 3/5. If the denominator is 6 more than the numerator,what is the original value of the denominator?

**math**

If 35% of people surveyed prefer orange to apples.Out of 475 people surveyed how many can be predicted to prefer orange

**Math-Calc**

Water is leaking out of an inverted conical tank at a rate of 14000.0 cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height 8 meters and the diameter at the top is 6.5 meters. If the water level is rising at...

**Calc-Math**

y^2+xy-3x=-5 dy/dt=-4 x=3 y=1 find dx/dt. i tried doing 2y(dy/dt)+ydx/dt-3=0 but i am not getting the right answer. Please tell me where i am going wrong.

**Math**

A rock falls straight down from a height of 10 m. How long will it take the rock to hit the ground?

**Math**

Scary guy is going to use 22/7 to find the exact circumference. He is wrong. Why?

**Math**

A 20 m vertical telephone pole is standing on a 15 degree slope. One guy wire is attached 30 m up the slope and another guy wire is attached 30 m down the slope. What is the length of the guy wire attached down the slope? I don't understand the question or what the diagram ...

**math**

The area if a rectangle is x3y4. Which expression represents the length if the width is x2y

**Math**

Write a variable on both sides that has infinite solutions.

**Financial Math**

6 character computer password is made up of 4 numbers followed by 2 letters. How many different passwords are possible?

**Math help ;-;**

Solve the equation. Check your answer. 5x-4(x+9)=2x-3 can anyone help me how to do this plz ;-; sorry

**Math**

A rectangle is bounded by the x-axis, the y-axis, and the line y = (4-x)/4. Find the maximum area of such a rectangle.

**Precal/math**

for composite functions i have a graph of f(x) and g(x) and i have to find (f⋅g)(0) so is that when f and g is 0 on the x or y?

**Math**

20'ladder placed 5'from base of house. How high up ladder reach?

**my son's math help please**

Aaron baked two identical cakes.He cut one into 9 equal slices and the other into 18 equal slices.Which is greater 2/3 of the 9 slice cake or 1/3 of the 18 slice cake?

**math**

V = $20,000 - $2,500x describes the value in dollars of a certain model of car after it is x years old

**math**

Verify that sec(θ)/csc(θ)-cot(θ) - sec(θ)/csc(θ)-cot(θ) = 2csc(θ) is an identity. please help! thank you!

**Math-Algebra**

A family is building a circular fountain in the backyard. The yard is rectangular and measures 7x by 6x and the fountain is going to be circular with a radius of 2x. Once the fountain is built, what will be the area of the remaining yard? Can someone please walk me through ...

**Math**

In a group of 10boys each boy had 2 hats how many hats did they have?

**math**

Springfield has an elevation of −150 feet. Greenville is 3 times as far below sea level as Springfield. What is Greenville’s elevation, in feet? is the answer -50 feet