math

This page lists questions and answers that were posted by visitors named math.

Questions

The following questions were asked by visitors named math.

equation of the normal to the graph of f(x)= x/2x-3

The capacity of an elevator is either 15 children or 11 adults. If 8 children are currently in the elevator, how many adults can still get in?

suppose you have a pipe with circumference of 8 cm and length equal 3 cm and that 10 turn of a wire are wrapped about the pipe. what is the length of the wire

What does the shape of a treasury bond yield curve tell you about expected future inflation?

create a 3 d shape that has two pickels

help me solve these problems please 1 1/2 - 3 2/5 + 8/15 - 2 2/3 (-4 7/12) - (-3 2/3)- 1 /24 + 2 5/8 -3 1/2 - (- 1 5/6) + (-1 1/12)+ 2 3/4 8-5*2+6/(-2) this i think i can get the right answer 8-10+(-3) -2+(-3)=-5 is that the rite answer 2 7/9/ (-1 4/81)-...

Convert: 2.7x10^-3 kg/cm^3 to kg/m^3 0.81 g/cm^3 to kg/m^3

A sugar molecule has twice as many atoms of hydrogen as it does oxygen and one more atom of carbon that oxygen. If a sugar molecule has a total of 45 atoms, how many are oxygen and how many are hydrogen?

(a)on july 15,2007 , the national debt of the united states of americawas a little more than 8.8 trillion dollars. at that time, the population of the united states was a little more than 300 million. approximately how much money would each of the 300 mil...

a student has an avg of 57%. he has 2 test left which was are both worth 5% and 1 assigment worth 1 %. he also has 1 one big asigment worth 5%. how much would he need minimun in all these to get a 80% avg by the end of it?

solve the equation for x using the quadratic formula: 3x^2 + 8x + 1 = 0 Work: I tried factoring it, but I can't do it. (3x + ?)(x + ?) I'm thinking the ? = 1 but that won't work.

Find the measures of two supplementary angles m and n m=6x+3 n=2x-7

What is the area of the largest rectangle that can be placed in a 5-12-13 right triangle (as shown)?

How do i find the points of inflection for: f(x)= (1/12)x^4 -2x^2 +15 The answers are (2, 25/3) and (-2, 25/3) but i don't know how to get the answers. Can someone show me step by step?

Let (AB) and (CD) be 2 parallel lines by a transversal at E and F respectively.The bisector of AEF and BEF cut (CD) at M and N respectively.The bisector of CFE cuts [ME] at S, and the bisector of DFE cuts [Ne] at T.Show that: ETFS is a rectangle

-1x>-5 _ _ 8 16 help

the permeter of a rectangle is 148 inches the length exceeds the width by 52 inches find the length and width..

what is higher 50 mL or 5 L?

What is the capital of the state that shares its long southern border with Texas?

Help! How do I complete these magic squares! They're taking me FOREVER! In magic squares, certain numbers have to add up to a certain sum, and be the same sum diagonal,across,and vertical. (Sorry if I didn't explain well) Arrange the numbers 2,4,6,8,10,12...

Okay, write the expression or inequality. : the difference of a number z and 11 is equal to 35 How would I do that? please explain in great detail

The point (0,1) has the distance ____, from the line defined by y=-2x-1 How do you solve this? I tried the pythagorean theorem but I don't think I did it right as I came out with the square root of two. Can someone please explain this to me.

You build a box that is 4 feet long, 5 feet wide, and 8 feet high. The distance from the top left front corner to the top right back corner is ______. I tried a²= 4² + 5² a²= 41 d² = 41 + 8² d²= 105 d=+- 10.25 is this right?

Right answer? 15(x^2+3x) + 7(x^2+3x) - 5(x^2+3x) 15x^2+45x+7x^2+21x + 5(-x^2-3x) 15x^2+45x+7x^2+21x-5x^2-15x 17x^2+51x

I have 7 12 feet of rope and my friend has 3/10 of what we . need to make a jump rope hang up in our back yourd

a moving van's load changes from 1000 pounds to 800 pounds after delivering an appliance. What is the percent of decrease

solve for the equation 81^2x+1=3^4

/6x^2=2-x /=radical sign

solve for the equation |x-3x+5|=7

solve for the equation 4[(2b+5)/(b+4)]=0

2x/x-4 + 4/x-3 = 8/x^2-7x+12

1/x+2 - 2/x+3 = 3/x^2+5x+6

The sum of 4 consecutive odd integers is -104. Find the integers with x for unknown numbers.

how can i use the numbers 9 9 9 and 13 to make 24??

how do you solve x+2y=17 and 3x+6y=-5 to find out how many solutions it has?

how do i solve this 2 ln(x-3)= ln(x+5) + ln4

I've got a question. how do i solve this p(t)=25-25e^-3(1)

Mrs. Baker has to choose 2 students to lead the class field trip. If she draws from a list of 6 boys and 6 girls, what is the probability that 2 girls will be drawn? (Please Help!) A.1/7 B.5/24 C.5/22 D.5/6

an airplane is flying at 550 km/h on a heading of 080. the wind is blowing at 60 km/h from a bearing of 120. Find the ground velocity of the airplane. Please Help! Thanks in advance.

you a framing a picture that is 5 in by 7in. with a 1 inch wide frame. find the perimeter of the outside edge of the frame. explain, pleaswe i know the anser is 32 but why?

An investment is made at an annual rate of 9.71% compounded monthly, determine the number of months required for your investment to double.

If you invested 5,250 dollars at an annual rate of 6.64% compounded monthly, determine the value of your investment after 11 years and 3 months. Your answer should be accurate to the nearest cent.

(TEMPERATURE CHANGE) The rate at which the temperature of an object changes is proportional to the difference between its own temperature and the temperature of the surrounding medium. Express this rate as a function of the temperature of the object

what is dimensional analysis and how does it work?

(Airplane & Radar) An airplane is flying (horizontally) at the height of 6 km on a flight path that will take it directly over a radar tracking station (on ground). If the distance D between the plane and the radar is decreasing at a rate of 300 km/hr, fi...

can u help this the qustion is : A circle passes through the points (1,4)&(5,0) and its centre lies on the line x+y-3=0.Find (i) the equation of the circle and it parametric equations . (ii) the centre,diameter and area of the circle . (iii) the equation...

(3/x)^2 how to find the derative of this fraction. having trouble with getting the answers. i need a walkthrough...

2. Solve this equation: 80 = 3y + 2y + 4 + 1. A. y = –15 B. y = 1/5 C. y = 75 [D. y = 15] i don't realy know if that is correct because i think it could be negative like in a please let me know

A rectangular garden of area 75 sq ft is to be surrounded on 3 sides by a brick wall costing $12 per foot and on one side by a fence costing $7 per foot. Find the dimensions of the garden that the cost of the materials is minimized Read more: A rectangula...

Foggy optics, inc. makes laboratory microscopes. setting up each production run costs $2500. Insurance costs, based on the average number of microscopes in the warehouse, amount to $20 per microscope per year. storage costs, based on the maximum number of...

Tristan is having a birthday party. He doesn’t want anyone less than 10 years old to come to his party. If y equals age in years, which number sentence expresses his age requirements? A. y < 10 B. 10 = y C. y 10 D. 9 > y

Find the unknown value in the following equation: y ÷ 10 = 6 A. 6 B. 60 C. 600 D. 6,000

Penelope is having a party for her friends. She invited ten friends and seven have said they will come. Three of Penelope’s friends haven’t responded yet. Penelope needs to buy party supplies. Which sentence below is true of this situation? A. Penelope ne...

Richard invited 6 friends to go skating. Of those 6 friends, there are twice as many boys as girls. How many girls were invited to go skating? A. 1 B. 2 C. 3 D. 4 I DON'T WANT MS.SUE TO HELP ME.

a cat toy costs 5 dollars.how many 5 dollars cat toys can a person by with 3,000,000?

The perimeter of a rectangle garden is 80m oits length is 4m more than 5 times its width, find the dimensions of the garden

how do i perform the indicated operation 3 4/5 + 2 2/8 = ?

destiny is going to build a patio. she wants the patio to be 20 feet by 35 feet. what is the perimeter of the patio in yards?

one tenth of my money is 2.45.how much money have i ?

i am a 4 digit number. the sum of my digit is same as the product of my digits, who am i?

prove 2 | n^2 + n + 1

find all nonnegative integer solutions of the system x+y<8 x+t<8 t+y<8 z+t<8

the average weight of men in a meeting room is 170 pounds, and average weight of women is 130 pounds. if more than 60% of the people in the room are men, which of the following could be the average weight of all the people in the room?

f(x) = abs(x-8) / x+8 how would the graph look like for this equation?

Find the slope of the tangent line at (8,8) for the function (16-x)y^2=x^3 Round your answer to two decimal places.

The graph below shows the rate of natural gas usage (in therms per day) in one household for a 30 - day period. Estimate the total number of therms used during this period. Use left endpoints and rectangles with widths of 3 days. View graph at: postimg.o...

Find the area of the shaded region. View the graph and image at: postimg.o rg/image/dg4kt89v1/ Please help me explain this one. I know the ans to this one but can not work out.

a number machine takes any number put into it, multiplies it by 3 and then subtracts 2. reuben put a number into the machine. he took the new number that came out and put that number back into the machine. He took the new number that came out and put that...

In the addition problem at the bottom, the sum of the two digits represented by B and C is ?. Each time the same letter appears it represents the same digit.) help

Sam needs 15 dozen gingerbread cookies. he bakes 2 dozen the first day, 4 dozens the next day, 6 dozens the day after that and this pattern continues. How many days does it take Sam to get his 15 gingerbread cookies if half of each batch gets eaten each n...

At the school carnival popcorn was given out in paper cones like the one shown(3-diameter and 5 being the height of the cone). Approximately how many cubic inches of popcorn can the cone hold? 1/3TT r^2 h 1/3 TT(1.5)^2(5) 11.78 is approximately 12 cubic i...

the sine of an angle is 0.6. the constraint is the angle lies in quadrant II. how do I figure out what x is to solve the six functions?

1. A gallon of a certain kind of paint will cover 224 square feet of surface. In painting two walls; one 36’ by 8’ and the other 24’ by 9’, the number of gallons of paint used is: 2. Susan wants to use blue, yellow, green, and pink paint to decorate her h...

A circular track is 1000 yards in circumference. Cyclists A, B, and C start at the same place and time, and race around the track at the following rates per minute: A at 700 yards, B at 800 yards, and C at 900 yards. What is the least number of minutes it...

I just wanted to know how to do: What fraction of 4/5 is 1/2?

Write .4(5) as a fraction. The parenthesis represent it as a repeating decimal: .455555555555555555555 But what is it in a fraction?

Use a calculator to find the approximate value of sin-1( 0.635).

the sum of the least and greatest integer is 35 more than the middle integer

the area of an equilateral triangle is given by the expression s^2 x square root of 3/4, where s is the side length of the triangle. what is the area of the triangle? round to the nearest tenth the triangle is 5 cm on all three sides.

Two station astronauts will each perform three 8-hour EVAs within 13 days to repair a damaged solar panel that was impacted by a micrometeoroid on the space station. What is the total amount of oxygen needed by the two astronauts to accomplish this? Pleas...

i need help can someone explain how to do this X+3+2x=X+35X what is the answer or can someone help me?

x + 3 + 2X =X+3 can someone help with this?

Your ribbon is 78 inch wide. Your friend's ribbon is 58 inch wide. How much wider is the ribbon you are using?

I need help with two questions,. they both have attachments. is there another program where someone can come on and help me

Please help me to solve this:find the equation to the circle circumscribing the quadrilateral formed by the straight lines, 2x 3y=2, 3x-2y=4, x 2y=3 and 2x-y=3

how many different numbers of 8 digits can be formed from the digits 0,1,2,3,4,5,6,7 that are divisible by 5?

in 1996, sharon that spent 189 days in space that is longer than another astronaut. how many weeks was she in the space .

find the area of right traingle of base 1.2m and hypotenuse 3.7.

The ratio of the ages of ramu and his sister is 3:4 . If the age of his sister is 36,how old is ramu?

There are 6 students in a club. For a certain activity, 4 of the students need to form a separate group. How many ways can this group of 4 students be formed?

a die is rolled in such a way that even faces are twice as likely to occur as the odd faces. what is the probability that a prime number shows up when rolled?

An art teacher had a total of t markers. He gave an equal number of markers to each of 18 students and had 16 markers left over. Which equation could be used to find n , the number of markers each student received? A t = 18n B t = 34n C t = 18n + 16 D t =...

6 red balls and 5white total 20balls how many yellow balls find probility

a1=1 ,an=3an-1+2 for n>2

$6300 is invested, part of it at 11% and part of it at 77%. For a certain year, the total yield is $565.00. How much was invested at each rate? how much was invested at 11% and 7%? thank you

Different ways of arranging 72 books in equal piles

how much bigger than -9 is -1

Answers

The following answers were posted by visitors named math.

thank-you. i see how to do it now

Ahh wait I got it. I was thinking something weird. I jus thave to plug it in

first mutibly the base with the power.

yes so the width is 11 and the length is 63

Then how much is 1 mL?

no that's not math, i said that the subject was I DON'T KNOW!

In the park would be the best answer.

I think that's history

So is 5 L better then 50 mL

oh, you had to unscramble it.

composition function g(f(x)) so where ever you see x in the g(x) equation plug in f(x) so do the reverse g(x)= (1/2)x so when you check your work g(f(x))= (1/2(2x)) ----> the 1/2 and the 2 cancel and you are left with just x so it checks!

A hypothesis is an educated guess, or a guess that you make based on your knowledge, on the outcome of an experiment.

Thanks Ms. Sue!

ashton broke apart a number into 30+7. what number did she start with?

sorry, uhm so first I figured out the acceleration of the mass, which was 5.78m/s^2. Then it asks what is the direction of acceleration, if you take east to be zero degrees and counterclockwise to be positive

thank you do you know how i would figure out the normal forces of the table to each of the magnets?

yeah, and that wasn't the right answer. Its why i was asking you, you tool.

u can only ad subtract multiply or divide

yes thank you much! :)

thank you have a nice easter or rest of your weekend

well to figure out what the answer is. you first set the equation which is x^2=47 after so to find out what x is. you have to isolate it. so to do that you have to get rid of the exponent 2 by square rooting both sides. thus leading it to be x=6.8556546....

but where does the 2 in five plus 2 come from?

you are using 2/5 but the problem say 3/5

the answer is wrong

HEY SUE I DON'T WANT YOU ANSWERING ANY QUETIONS THAT HAS A NAME CALLED MATH.

(-5)| 3-6 | (-5)| -3 | (-5)(3) = -15

sorry my bad i apologize no question..

what is the posiblity of doing the riight thing but the possibitlt were working with is that if u pick a red when there is a blue and you said that

how did you do that?

sory a mistake, the corect one problem is find all nonnegative integer solutions of the system x+y<8 x+Z<8 t+y<8 z+t<8

what about this case, i didn't enumerated it 1 2 4 0 5 2 6 0 1

I'm lost. I think am adding wrong.

i came up with 165.

it's ok. I got it now.

the answer is 5 days because the family and friends eat only half of the gingerbread cookies each day day 1: 2-1=1 day 2: 1+4=5-2=3 day 3: 3+6=9-3=6 day 4: 6+8=14-4=10 day 5: 10+10=20-5=15 You just need to keep adding the old gingerbread cookies with the...

thanks for checking my work

d=0.49 c= 7.0 a=0.14

please explain where th square root of 2 came from

1-5 = -4 -4 + 9 = 5

What is a reactant that binds to a catalyst? -Wrong. Check your work again.

Explain it in numbers. Because 8 / 12 is below 0.

An enzyme is a kind of? This is correct. Check your work on the first one though.

This is the last one I will be answering. Spamming these questions are not an option. PEMDAS. Parenthesis: You always do this first. Exponent: Do this second Multiply/Divide: Do these third. It is determined with the first on the left. Add/Subtract. Do th...

PEMDAS. Parenthesis: You always do this first. Exponent: Do this second Multiply/Divide: Do these third. It is determined with the first on the left. Add/Subtract. Do these last. Ones are determined with the first on the left. (Not the right.)

A: -.5555555555555556 (Repeating) B: -.545454545455454 (Repeating) C: -.5 D: -.44444444444444 (Repeating) -7/5 = -1.4 Can you compare all of them to see which one is larger? Example: -11 is larger than -15

Not enough info.

Thank you Miss Sue i entered the wrong question?

log a b * log bc * logc a=1

my answers are A)d B)b C)d and I don't know about D

In a bag M&M's, the probability of choosing a yellow m&m is 1/5. In a bag of skittles, the probability of choosing red is 1/4. What is the probability of choosing a yellow m&m and a red skittle??

A only sixty percent of the people chose baseball B the reporter only talked to people at the baseball game C only the people that the reporter talked to counted D the reporter did not say what sport other people chose

This is my homework too please help!

I still dont understand.

Yeah But I dont under stand how q + -.25q is equalled to -0.75q

Right I forgot that it still means one.

One of the two results is a smaller cone.. would your theory still work?

thanks everyone

is what i picked

i don't understand either.........

a sampling of 64 students appearing in an examination yield the error as 5 with standard deviation of 4.find the risk

In a schl 4/11 studnts are girls if 490 are boys find nmbr of grls

yusssssssssssssssssssssssssssssss ily

elizabeth goodrich?

+}_{?)P>8im75gf4ds

i thought that a number divisible to 9 has to have the number's digit add up to 9, like 9, 18, 27, 36, 45, 63, 72, 81

If John gets paid $200 every week, how much does he make for the year?

If John gets paid $200 every week, how much does he make for the year?

Mimi has big brain

With a hidden coin, the chance of throwing a cross is 0.3. with a hidden coin, the chance of throwing head is 0.25. Calculate the probability that you will get the same result twice if each coin is rolled once

can someone pls answer?

I like this site it gives me all the right answers

h=6,b1=5,b2=3=????????

A spherical scoop of ice cream is placed on a waffle cone. The diameter of the ice cream scoop is 6.4 centimeters. The waffle cone has a diameter of 5 centimeters and a height of 9 centimeters. If all the ice cream melts before you eat any, how much of th...

Jim is mixing 3 oz of red paint to 5 oz of white paint. He uses a total of 21 oz. of paint. How many oz of white paint did he use?

thanks, I got y = 2 - 1/2x

is (1,-3) correct

I got (6/15 , 3)