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math
how do I do this? 28 students collected 12,374 soda can tabs. If some of the students collected one more tab than the rest of the students, how many collected 441 and how many collected 442?
Math (FST Exponential & Logarithm)
What is the range of y= -(2)^(x-3)
math
a worker in a city parks need to cover a circular path around the outside of a flower garden with gravel. the radius of the garden is 15 feet and the path surrounding the garden is 6 feet wide. how many square feet need to be covered with gravel? expalin how you arrived at you...
Math
The sides of a triangle have the equations y=-1/2x+1, y=2x-4, and y=-3x-9. Verify that the triangle is an isosceles right triangle. Algebraic solutions only!
math
find the slope of the line that is perpendicular to the line whose equation is 5x-7y=12
math
what is the area of the circumscribed square about a circle having a 12pie perimeter?
Math
Use synthetic division to divide. (4x3 + 26x2 + 10x - 12) ÷ (x + 6)
Math
Divide as indicated. (-2x5 - x3 + 4x2 + 58x - 20) ÷ (x2 - 5)
math
A taxi company charges riders a fixed charge of $2.50 plus $1.50 per mile. How many miles must a rider go to have an average cost per mile of $2.00?
MATH
Sam built a ramp to a loading dock. The ramp has a vertical support 2 m from the base of the loading dock and 3m from the base of the ramp. If the vertical support is 1.2 m in height, what is the height of the loading dock? Can someone please show me how to do this. I keep on ...
MATH
Two extension ladders are leaning at the same angle against a verticl wall. The 3-m ladder reaches 2.4m up the wall. How much farther up the wall does the 8-m ladder reach?
math
tian's daughter will be 5/6 of a year old next week.how many months old will she be
Math
Francesca has 16/7 ft of string for her kite. Jason has 2 3/4 ft of string for his kite. Katie has more string than either Francesca or Jason. How much string could Katie Have?
Math (FST Exponential & Logarithm)
Find the exponential model using y=a(b)^x with (9, 120) & (12, 216) (round to 4 decimal places- show work)
Math (FST Exponential & Logarithm)
What is the amount and type of the growth factor of the model: y=3(1.04)^x Determine the equation for the asymptote: y=2+ log(x-3) For the second question, I don't even have an idea what is to be determined.
math
solving this equation...0.9x + 9 ¡Ü 1.3x-6
math (help!!!!)
one canned jucie drink is 15% orange jucie; another is 10% orange jucie. How many liters of each should be mixed together in order to get 5L that is 11% orange jucie? How many liter of the 15% orange jucie and how many liters of the 10% orange jucie should be in this mixture
statistics
Answer the question(s) based on the following situation: 150 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with center ì = 65 and standard deviation ó = 10.The third quartile of the scores on the ex...
4th grade math
You are playing a card game with a full deck of 52 cards. You win if you draw a red card that is a multiple of 5. What are your chances of winning on your first draw?
math 30
Describe how the graph of y=f(-2x+6)+7 can be obtained from the graph y=f(x)
Math
Could someone please help me with this question? Thanks! Reduce (x^2-5x+6)/(x-2) to lowest terms
math
Bill got 52 correct answers on an 80-question test. What percent of the questions did he answer incorrectly?
math 12
How do I find the asymptotes of (y-2)^2 - x^2/4 =1 The center is (0,2)
math
divide -12/0
math
|111| evaluate
math
Two forces of 7 lb. and 14 lb. act on a body at right angles to each other. Find their resultant. Find the angle their resultant force makes with the force of 14 lb.
MATH
can some one please help to solve this problem. Add. reduce to lowest terms, if possible 3/y+3+y+7-y-9+/7/y-3
Math
Simplify Leave answer in qt. and pt. format. 9 qt 9 pt
math
Find the missing angle 45 degree and 106 degree
math
find the missing length of the right triangle 17 and 15
math
. A real-estate broker receives 4% of an $80,000 sale. How much does the broker receive?
math
A car company is offering car loans at a simple interest rate of 4.7%. Find the interest charged to a customer who finances a car loan of $7200 for 3 yr.
math
Two forces of 7 lb. and 14 lb. act on a body at right angles to each other. Find their resultant. Find the angle their resultant force makes with the force of 14 lb.
math
Bill got 52 correct answers on an 80-question test. What percent of the questions did he answer incorrectly?
math
The amount of gold jewelry and other products is measured in karats (K), where 24K represents pure gold. The mark 14K on a chain indicates that the ratio between the mass of the gold in the chain and the mass of the chain is . If a gold ring is marked 18K and it weighs 0.4 oz,...
math
. A Boeing 747 jet is approximately 230 ft long and has a wingspan of 195 ft. If a scale model of the plane is about 40 cm long, what is the model’s wingspan?
math
what is 2 percent added to $13.15
math
Melissa baked 8 trays of 5 cookies each. She sold 3 plates of cookies. Which expression correctly represents how many cookies she sold? Circle the best answer.Here are the answer to choose, i dont know how to get the answer? A.(8-3)*12 B.3*12 C.8*12
maths
The mean of 10 observations is 21. If each score is divided by 3, find the new mean.
math 12
While training for a race, a runner increases her distance by 10% each day. If she runs 2km on the first day, what will her total distance for 26 days of training?
Math(Please help)
2) Use the sum and difference identites sin[x + pi/4] + sin[x-pi/4] = -1 sinx cospi/4 + cosxsin pi/4 + sinx cos pi/4 - cosx sin pi/4 = -1 2 sin x cos pi/4 =-1 cos pi/4 = sqr2/2 2sin^x(sqrt2/2) = -1 sin x = -sqrt2 x = 7pi/4 and 5pi/4 Am I correct?
math
one kilometer is how many meters
math
Nine dimes are what fraction if a dillor.... write the value of nine dimes using a dollor sign and a decimal point
maths
how to find the terms through x^5 in the maclaurin series for? Hint: it may be easiest to use knownMaclaurin series and then perform multiplications, divisions, and so on. For example, tan x = (sin x)/(cos x). (1)f(x) = tan x, (2) f(x) = e^2 sin x (3) 1 + x^2 + X^3, a = 1
Math
an envelope contains 20 bills in denominations of $1,$5,$10, there are two times as many $5 bills as there are$10 bills. the total of the envelope is $54. how many of each bill do i have
sunshine math-4
mark hid a 10 bill inside his favorite book. he forgot the pages where he hid it. is the sum of the pages where the bill is hidden is 177, on what pages will mark find his money
Math
an envelope contains 20 bills in denominations of $1,$5,$10, the total of the envelope is $54. how many of each bill do i have
maths
Theorem B: Taylor's Formula with Remainder ,? can someone please help me prove this theorem B for (a) the special case of n = 3, and (b) an arbitrary n.
math
The perimeter of a rectangle is 148inches. The length exceeds the width by 10 inches Find the length and width.
math
one canned jucie drink is 15% orange jucie; another is 10% orange jucie. How many liters of each should be mixed together in order to get 5L that is 11% orange jucie? How many liter of the 15% orange jucie and how many liters of the 10% orange jucie should be in this mixture
math
According to Sal's map he is is 6 units away from the grocery. The grocery store is 5 units away from the coffee shop. The coffee shop is 1 unit away from Sal's house. How is this possible?
math
Today Justin reached 1/11 the age his mother was when he was born. Today Justin's mother is ____ times as old as Justin.
math
which is bigger 16/50 or 9/30
math
I calculated the average number of crashes over a 240 week period to be .0875... what formula do I use to calculate the probability that at least 19 crashes would occur over that 240 week period?
6th grade math
if the area of a rectangle is 20 square units and the length of the base to the height are in a ratio of 5:1 what is the perimeter of the rectangle ?
math 30
I need to write 4x^2 - y^2 -8x -4y + 16 = 0 in standard form and I keep getting it wrong. Could someone please help me. Thanks
Math
Write one numerical expression and one algebraic expression. Then explain what the differnce between a numerical and algebraic expression is.
math
I was given the equation (y-2)^2 - x^2 =1 and asked to locate the center, vertices,and asymptotes. ifound the center to be (0,2) and the verticies are(0,1)and (0,3). but I'm not sure how to find the asymptotes. Could you please help me find them and explain the process. Th...
Math Functions
ok so what kind of function is this? X Y ---------------- 2 1032 4 700 6 200 8 12 10 1000 12 4412 Thank you!! :)
math
log (32). the 2 is to the bottom of g in log 2 log (?)=3 2
math
how are functions connected to right triangles?
math
There are 27 bones in each hand. The fingers have 6 more bones than the wrist and the palm has 3 less bones that the wrist. How many bones are in the fingers nd wrist?
Math
Janessa bought 4 stamps for $1.84. At this,rate how much would 10 stamps cost?
math
put this in lowest to greatest 1.6,16,16.1,.16,161 thank you
math
put this in lowest to greatest 95,9.5,.95,.9,9 thank you
Probability/Math
Find the probability that a randomly thrown dart will land in the shaded area of the dartboard. A square that is 6ft width by 6ft length 4ft width by 9ft length.
math
double my tens digit to get my ones digit. double me and i am less than 50
Math
Write an equation to describe the variation. Use k for the constant of proportionality. x varies directly as the square of y and inversely as z
math
whare are the scale and interval in a frequency table? I don't understand what they mean. On my table there's a weight, how many times something weighs that and -the tally 00 and the frrequency
MATH
WHY DID THE TEACHER TEACH ADOLESSON
math
using the formula h(x) = 1.95 x + 72.85. Find the height of a female whose femur is 35 cm long x=length and H=height.
math
csc(2x)=0.5sec(x)csc(x)
math
Alex bought lemons that were priced at 2 lemons for 18¢. What was the total cost of 5 lemons?
Math
Can someone please explain (cos(x)+sin(x))/(cos(x)-sin(x)=sec(2x)+tan(2x). I have no luck with this. Thanks
math
What is the value of the y-coordinate of the solution to the system of equations x + 2y = 9 and x - y = 3?
Math 12
I need to write this parabola question 2(x+3)^2 -1 in general form. Not sure how to do it. Do I sqaure whats in brackets first? x^2 + 6x +9 then *by 2 so 2x +12x +18 - 1 = 0 Would this be the answer or am I doing it wrong? Any help appreciated.
Stuck on 3d - Math
Suppose you’re thinking about buying a used car, but you’ve become worried about the selection problems. In this market, the seller of each car knows the true value, but the buyer can’t determine the value until after purchase. Assume that there are 6 sellers wi...
math
x+3=5 x+4=9
math
solve tang3x+1=sec3x
math 30
Help please i need to write 4x^2 -y^2 -8x -4y +16 =0 in standard form.4x^2 -8x - y^2 -4y=-16 so 4(x^2 -2x +1)-(y^2-4y+4= -16 -4 +4 so 4(x-1)^2/-16 -(y-2)^2/-16 =1 so (x-1)^2/-4 -(y-2)^2/-16 so if I multiply everything by -1 it will get rid of my (-) on the left and I'm lef...
math
if logx y=2, whic of the following is true?
3rd grade math
Write an expression that equals 468 that includes a combination that adds up to 100
math 30 conics
Hi i was given the equation (y-2)^2 - x^2/4 =1. I need to find the center, vertices and asymptotes of this hyperbola. I found the center (0,2) and the vertices were tricky but I think they are (0,1) (0,3) but I'm having trouble finding the asymptotes. Can you please help m...
math
What are the number in the magic square of 4 by 4 if the magic number is 38?
math
If Jack Jones lost a total of 66 yd in 11 plays, how many yards, on the average, did he lose on each play?
math
On each of four consecutive plays in a football game, a team lost 11 yd. If lost yardage is interpreted as a negative integer, write the information as a product of integers and determine the total number of yards lost.
math
The greatest recorded temperature ranges in the world are around the “cold pole” in Siberia. Temperatures in Verkhoyansk have varied from 294°F to 98°F. What is the difference between the high and low temperatures in Verkhoyansk?
math
The largest bubble chamber in the world is 15 ft in diameter and contains 7259 gal of liquid hydrogen at a temperature of 2247°C. If the temperature is dropped by 11°C per hour for 2 consecutive hours, what is the new temperature
Math(Please help)
1)tan Q = -3/4 Find cosQ -3^2 + 4^2 = x^2 9+16 = sqrt 25 = 5 cos = ad/hy = -4/5 Am I correct? 2) Use the sum and difference identites sin[x + pi/4] + sin[x-pi/4] = -1 sinx cospi/4 + cosxsin pi/4 + sinx cos pi/4 - cosx sin pi/4 = -1 2 sin x cos pi/4 =-1 cos pi/4 = sqr2/2 2sin^x...
Math
Find A �� B, given A = {people who are less than 20 years old} and B = {people who have a job}. A) {people who are less than 20 years old and people who have a job} B) {people who are less than 20 years old and have a job} C) {people who are less than 20 years o...
math
Erin takes a total of 5 hours in her boat to travel a distance upriver and return downriver the same distance. If the time traveling upriver is twice the time traveling downriver, how many hours does each trip take? How do I put this into two equation and use the matrix to sol...
math
Betty bought 105 ft of fencing to enclose a vegetable garden in her backyard. The garden is to be a rectangle, twice as long as it is wide, with a fence across the middle parallel to the width. What should be the dimension of the garden in feet?
math
Which has the lower unit price? Soap. brand A:$1.34 for 3 bars. brand B:$1.44 for 4 bars. i think it is b.
math
Last week we needed 30 chairs for the meeting. This week we need 200% of what number. I think the answer is 1.2
Math
A delicatessen serves 13 kinds of sandwiches and 5 kinds of chips. How many different sandwich and chip lunches can they make if each lunch has one sandwich and one bag of chips? A) 13 B) 1 C) 65 D) 18
math
____% of 87.56 ounces is 22.6 ounces. i have to round to the nearest tenth of a percent. i think the answer is 64.96
math
how do you make four 8s into 640??
Math
A man earned $ 3000 the first year he worked. If he received a raise of $ 400 at the end of each year, what was his salary during the 15 th year? A) $ 8600 B) None of these C) $ 5600 D) $ 9000
Math
I have more i dont understand?? Use the distributive property of multiplication over addition to rewrite the sum as a product of two factors, where one of the factors is a sum. 14) 6yz - 54y A) 6y(z - 9) B) 6y(z - 54) C) 6y(z + 9) D) 9y(z - 6) explain
Math 30 transformations
The question says Draw the reflection of f(x)=sqrt x-2 in the line y=x which I done but now I need to write the equation of the reflection in the form of y=g(x). I'm not sure how to write this equation using this form. Could you please help. Thanks
Math
Give a verbal, visual, numerical, and graphic representation for the idea one and one-sixth.
Math
For U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z} identify the following. 5) C A) {v, w, x, y, z} B) {q, r, s, t, u} C) { } D) {v, z}
math
a plastic cube has 6 different faces. each face is painted either orange, yellow or green. the cube is rolled 36 times, and the results are: orange is 12, yellow is 6, and green is 18. how many faces of the plastic cube would you expect to be painted yellow? the answer choices...
math
a plastic cube has 6 different faces. each face is painted either orange, yellow or green. the cube is rolled 36 times, and the results are: orange is 12, yellow is 6, and green is 18. how many faces of the plastic cube would you expect to be painted yellow? the answer choices...
Math
Find the number of subsets of the given set. 4) {mom, dad, son, daughter} a. 16 b.14 c.12 d. 8
math
if the median to the hypotenuse of a right triangle measures 25 and a leg 14, find the measure of the other leg
Math
how do i factor this? 2x^3+4x^2+2x
math
I fyou start with 2 and count by 4s until youreach the number 202, you will have the following number sequence. 2, 6, 10, 14...202 If 2 is the first number in the sequence, 6 is the second and so on, what number in the sequence is 202?
Math 61
solve step by step 2/3y=12
Math-Rational #'s
Just trying to understand this. Please let me know if I did these right. Thanks!!! -7 as a rational # = -7/10 -3.03 as a rational # = -33/10 -2 3/12 as a rational # = -25/12 1.03 as a rational # = 13/10
math
Which value of 'x' is the solution of the equation 2x/3 + x/6 = 5?
math
a triangle b means (10*a) + b. for an example,5 triangles 4= (10*5)=50+4 =54.find the value of8 triangle 1.
math
if a whole number less than 10 is choosen at random, what are the odds that the number is greater than 5?
math
It takes Tammy 45 minutes to ride her bike 5 miles. At this rate, how long will it take her to ride 8 miles?
math
If y varies inversely as x,find the inverse variation equation for the situation y=65 when x=9
math
a company's balance sheet shows tatal assets of $450,991, total current liabilities of $47,342, and total long -term liabilities of $150,509. its total stockholder equity must be
math
a worker in a city park needs to cover a circular path around the outside of a flower garden with gravel. the radius of the garden is 15 feet and the path surrounding the garden is 6 feet wide. how many square feet need to be covered with gravel? explain how you arrived at you...
Math
Make each sentence true... 48 divided by 6 plus 2 x4 =24 45= 54 -24/6 minus 5 0= 54 minus 24 times 6 -5
math
Write the following statement in if - then form. David will sing provided Eric plays the piano. i dont get get this
Math
A shoe manufacturer determines that the annual cost of making x pairs of one type of shoe is $30 per pair plus $100,000 in fixed overhead costs. Each pair of shoes that is manufactured is sold wholesale for $50. a. Find the equations that model Revenue and cost and graph each ...
math
I am greater than 15 and less than 40. If you double me, I become a number that ends in 0. 1/5 of me is equal to 5
Math
2 buildings have 60 floors altogether. Building A has 3 floors for every 2 floors of building B. How many floors does each building have?
math
Solve the poloynomial x^3+4x^2-x-4=0
maths
solve the following simultaneous linear equation: -5x+6y=44 9x+7y=-8
maths
Solve the following simultaneous equation: 8x+3y=23 6x+5y=9
Math :(
I have a 7 sided shape that looks like an octagon, but it only has 7 sides. Is it a rhombus, a square, a parallelogram, a kite, a rectangle, a trapezoid, a chevron, or just a quadrilateral?
math
A Boeing 747 jet takes off from Boston's Logan Airport, which is at sea level, and climbs to a cruising altitude of 27,000 ft at a constant rate of 1400ft/min. A.) write a linear equation for the height of the plane in terms of the time after takeoff. B.) use your equation...
College Math
Find the exact value of: sin [2sin^-1 (-sq rt (3)/2)] how do i answer this question? i don't know how to find the answer.
math
how many times would a bicycle wheel with a radius of 36cm rotate in 2km?
college math
find the range of the function defined by the equation and the given domain. f(x)=3/x-6; D={-3,0,3,9}
math
Harry borrowed $1,800 for two years at 13% a year under an add-on plan. He repaid the loan, including interest, in 24 equal payments. How much was each payment?
math
11 g = ________ mg explain why
math
what is the inverse of (x-3)^2+2 ((x-3)squared plus 2))
math
Theses are just some problems i did not understand how to do so if you could please explain and write the answer(: anything helps thank you(: 2. Simplify ---(3x^11z^5)^3 b. (3x^5)^ -3 / 2x-5(3y)^4 c.3x^5)^ -3 / 2x ^ -5(3y)^4 (same as b but - 5 is the exponent) 3a.x^2 / 5 + x-5...
English
What's your favorite class? 1. It's a math class. 2. It's math class. 3. It's math classes. 4. Math class is my favorite. 5. Math classes are my favorite. 6. A math class is my favorite. (Which answers are correct? Are all correct?)
math
1. Imagine you are in the market for a new home and are interested in a new housing community under construction in a different city. a. The sales representative informs you that there are 56 houses for sale with two floor plans still available. Use x to represent floor plan o...
Math
From a base elevation of 7000 ft, a mountain peak in colorado rises to a summit elevation of 14507 ft over a horizontal distance of 15842 ft. find the grade of the peak.
math
A baseball is thrown straight up from the rooftop 192 feet high. The function s(t)=16t^2+-64t+192 describes the ball's height above the ground,s(t), in feet, t seconds after it was thrown. How long will it take for the ball to hit the ground? Explain
math
How do I solve the equations using the elimination method: .3x-.2y=4 and .4x +.3y= 49/23 Normally I would multiply the decimals by 10 to make them whole numbers, but that fraction is really throwing me off. What do I multiply to eliminate that fraction? Please help!
Math
Perform the indicated operation let f(x)=x^2-7x-9 find(a+h)-f(a) and simplify
Writing
31. I had hoped the police would blame Bruce, not ___. __ me __ myself __ mineself __I 32. Some interviewers ____ have a clear sense of what they want in an employee, ask very tough questions. __ who __, who __ which __ that 33. A venture capitalist has to be willing to take r...
math
Expand: log7= 3sqrtx / x^2y
Math Base
Convert the number to the indicated base. 53six to base three
Math
Convert the number to the indicated base. 53six to base three
Math
A pet shop has a total of 17 dogs and birds. Altogether there are 48 feet. How many dogs are there and how many birds? A) 7 dogs and 10 birds B) 9 dogs and 8 birds C) 6 dogs and 11 birds D) 8 dogs and 9 birds I got the answer C is this right?
math
give the prime factorization of 189
Math
solve by addition method: please show work. -3x + y = 3 2x -3y =7
Math
Write the numeral in base ten. 130five A) 40 B) 60 C) 640 D) 650 I got A)40
Math
unscramble the letters UEEMTTRARR to make a math word
Math
Expand: log7= 3sqrtx / x^2y
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