Monday
June 27, 2016

# Homework Help: Math

## Recent Math Questions

Math
1. –(10)^–1 (1 point) –1/10*** -1/-1^10 1/10 10 2. 1/c^-5 (1 point) c^5 5c –c^5*** –5/c 3. What is the value of y^-5/x^-3 for x = 2 and y = –4? (1 point) 10/3 128 -1/128 –128*** 4. Is the number written in scientific notation? If not, explain...
Friday, April 22, 2016 by Bethany

math
How is the squareroot of -1 classified?
Friday, April 22, 2016 by Sally

math
A ladder is placed against a wall with an angle between the ladder and the ground of 76°. If the ladder must reach 10 m up the wall, how long does the ladder need to be?
Friday, April 22, 2016 by Paul

math HELP
the graph below was drawn with output on the vertical axis and input on the horzontal axis what does this graph indecate about the relationship between the input and the output
Friday, April 22, 2016 by nicky

math
Two cell phone companies have different rate plans.Runfast has monthly charges $25 plus$10 per gig of data.B A&D’s monthly charge is $18 plus 15 per gig of data. Your task is to determine under what circumstances each company has the better pricing. You will derive and ... Friday, April 22, 2016 by abstract math Suppose that y varies inversely as the square of x, and that y = 9 when x = 19. What is y when x = 17? (Round off your answer to 2 decimal places.) Friday, April 22, 2016 by Thalita Math In trapezoid$ABCD$,$\overline{BC} \parallel \overline{AD}$,$\angle ABD = 105^\circ$,$\angle A = 43^\circ$, and$\angle C = 141^\circ$. Find$\angle CBD$, in degrees. Friday, April 22, 2016 by justarandomboy Math What is the volume of a cereal box that is 2 inches thick, 12 inches high and 10 inches wide? Friday, April 22, 2016 by Tom math 4. What would the graph of y = x^2 + 1 look like? (1 point) a straight line a parabola a dotted line none of the above 5. What would the graph of 10/x look like? (1 point) a straight line a parabola a curve none of the above 6. What would the graph of y = 3/4x – 7/8 look ... Friday, April 22, 2016 by Help plz math Two cell phone companies have different rate plans.Runfast has monthly charges$25 plus $10 per gig of data.B A&D’s monthly charge is$18 plus 15 per gig of data. Your task is to determine under what circumstances each company has the better pricing. You will derive and ...
Friday, April 22, 2016 by Help please

Math
Give examples of function
Friday, April 22, 2016 by Miracle

MATH
rying to verify the volume of a rectanguler prism h=10 inches w=2 and the formula to find the volume is l.w.h not a math genius just trying to make sure i am calculating this correctly to find the lengh we had to divide the width of the prism so 2 inches divided by 4 =0.5 ...
Friday, April 22, 2016 by meshel

Math
If p is x-2 is greater and equal to 3, what is the negation of p?
Friday, April 22, 2016 by Miracle

Math: Statistics
I am trying to report significant data but I'm not sure how to write it out professionally. I did two nominal variables in a chi square test on SPSS. The significance I found is .061 across from "Likelihood Ratio" and under "Asymp sig. 2 Sided". Does ...
Friday, April 22, 2016 by Shannon

Math
I don¡¯t know how to slove this problem can someone help me£¿ The shorter leg of a 30¡ã60¡ã90&iex​cl;ãtriangle is 2.5 feet long.Find the perimeter.
Friday, April 22, 2016 by Emily

Math
*Edited* (thanks Alex!) In a class, 4/5 of the girls have brown hair. Of the brown-haired girls, 3/4 of the have long hair. Of the girls with long brown hair, 1/3 of them have green eyes. Question: What fraction of the girls in the class have long brown hair?
Friday, April 22, 2016 by connor

math
In a class, 4/5 of the girls have brown hair. Of the brown-haired girls, 3/4 of the have long hair. Of the girls with long brown hair, 1/3 of them have green eyes.
Friday, April 22, 2016 by connor

math
trying to verify the volume of a rectanguler prism h=10 inches w=2 and the formula to find the volume is l.w.h not a math genius just trying to make sure i am calculating this correctly to find the lengh we had to divide the width of the prism so 2 inches divided by 4 =0.5 ...
Friday, April 22, 2016 by meshel

math
on which of the following lines does the point (7,1) lie? y-5x=4 y=x-10 y=-4x+3 y=-x+8 help please Ms.Sue
Thursday, April 21, 2016 by justarandomgirl

math
without graphing,identify the quadrant in which the point (x,y) lies if x <0 and y <0 -II -IV*** -I -III
Thursday, April 21, 2016 by justarandomgirl

math
Write a real-world problem that describes the model 1/4 x 1/4
Thursday, April 21, 2016 by Anonymous

Math
When measuring the volume of a tennis ball, your water level rose from 50ml to 68ml. What is the volume of the ball? I don't know if I divide or add to solve. Here is the choices. 118,108,18,8.
Thursday, April 21, 2016 by jen

Math- I'd really appreciate it if you could help!!
Point $G$ is the midpoint of median $\overline{XM}$ of $\triangle XYZ$. Point $H$ is the midpoint of $\overline{XY}$, and point $T$ is the intersection of $\overline{HM}$ and $\overline{YG}$. Find the area of $\triangle MTG$ if $[XYZ] =150$.
Thursday, April 21, 2016 by Jenna

Math
We can find the solutions of sin x = 0.6 algebraically. (Round your answers to two decimal places.) (a) First we find the solutions in the interval [0, 2π). We get one such solution by taking sin−1 to get x = ________ (smaller value). The other solution in this ...
Thursday, April 21, 2016 by Jennifer

Math
Varlos found that 1/2 of the apples in one basket are Granny Smith apples and 1/6 of the apples in another basket are Granny Smith apples. Which statement correctly compared the feactions?
Thursday, April 21, 2016 by Jamie

Math/Geometry
what is the answer to the question find the volumne of a composite figure with a square and cylinder with all its measurements 8 ft. rtound to the nearest tenth.
Thursday, April 21, 2016 by Ryan

Math
A fraction is greater than 1/8 and less 1/4 the sum of its digits is 19 what is the fraction
Thursday, April 21, 2016 by Anonymous

Math (Calculus)
The function f(x)=-2x^3+10.2x^2+202.275x+0.87 is increasing on the open interval (?,?). It is decreasing on the open interval (-oo,?) and the open interval (?,+oo) The function has a local maximum at ? I used derivative -6x^2+20.4x+202.275 and find the root but it doesn't ...
Thursday, April 21, 2016 by Anonymous

math
WHAT IS THE LATERAL SURGACE AREA OF A RECTANGULAR PRISM WITH THE BASE PERIMETER OF 150 MM AND A HEIGHT OF 5 MM
Thursday, April 21, 2016 by barbara

math
Find the lenght of a rectangle if the perimeter is 48 and width is 8
Thursday, April 21, 2016 by emmanuel

Math
Point $G$ is the midpoint of median $\overline{XM}$ of $\triangle XYZ$. Point $H$ is the midpoint of $\overline{XY}$, and point $T$ is the intersection of $\overline{HM}$ and $\overline{YG}$. Find the area of $\triangle MTG$ if $[XYZ] =150$.
Thursday, April 21, 2016 by Janice

Math
Alice is covering a foam cube with fabric to make a footstool. Each side of the cube is 20 inches. How many square inches of fabric will she need? 120 in** 720 in 1,200 in 2,400 in Please help!! I'm not sure I quite get it!
Thursday, April 21, 2016 by Myra

Math
Enola's recipe for cookied calls for 2 1/2 cups of flour. If she wants to make 3/4 a batch of cookies, how much flour should she use?
Thursday, April 21, 2016 by Anonymous

Math Pythagorean
A hiker goes 3 miles north, 2 miles east, one mile south, 4 miles east and then 2 miles north. After an injury, he sends his coordinates to a helicopter rescue team. If the helicopter starts at the same place as the hiker did, and it flew in a straight path to the hikers ...
Thursday, April 21, 2016 by Hori

Math
If I have $30 and spent$14 what fraction dis I spend and what didn't I spend?
Thursday, April 21, 2016 by Unknown

math
the pay per text plan charges $10 per month and$0.10 for each text message. write a function that models this plan, stating what your varible represent
Thursday, April 21, 2016 by junior

math
haley drew a scale drawing of a city. A neighborhood Park, which is 70 yards wide in the real life, is 175 inches wide in the drawing. What is the scale of the drawing
Thursday, April 21, 2016 by Morgan

Math
A 12-ft. board is cut into 2 pieces so that one piece is 4 feet longer than 3 times the shorter piece. If the shorter piece is x feet long, find the lengths of both pieces.
Thursday, April 21, 2016 by Denise

Math
45 is 9 times than this number
Thursday, April 21, 2016 by Jamaine

Math
*Ms. Sue or Reed, please check my other question as well if you have time, thank you :) 1. Which sentence has proper subject-verb agreement? A) Even my cousin Steve feel sad today. B) Even my cousin Steve look sad today. C) Even my cousin Steve feels sad today. D) Even my ...
Thursday, April 21, 2016 by Tim

Math
An urn contains 8black and 7 green balls. Five balls are randomly drawn from the urn in succession, with replacement. That is, after each draw, the selected ball is returned to the urn. What is the probability that all 5balls drawn from the urn are green? Round your answer to ...
Thursday, April 21, 2016 by SM

Math
Is -49 rational or irrational
Thursday, April 21, 2016 by Lola

Math
A 12-ft. board is cut into 2 pieces so that one piece is 4 feet longer than 3 times the shorter piece. If the shorter piece is x feet long, find the lengths of both pieces 12ft-x=3x+4 12ft- x-3x=4ft 12ft-4x =4ft -4x=-8ft x=2ft
Thursday, April 21, 2016 by Denise

math
what is the third term necessary to make this a perfect square trinomial? what is the binomial quantity squared it is equivalent to? x^2 - 9x _______= (________)^2 x^2 + 10x _______= (________)^2
Thursday, April 21, 2016 by lauren

Math
5. Start time: 7:30 P.M. Elapsed time: ____________ End time: 9:29 P.M.
Thursday, April 21, 2016 by Kylie

math
how do you own your learning in algebra 1?
Thursday, April 21, 2016 by Nikki

Math
4. Start time: ___________ Elapsed time: 3/4 hour End time: 10:30 A.M.
Thursday, April 21, 2016 by Kylie

Math
3. 270 min = ____hr ____min
Thursday, April 21, 2016 by Kylie

Math
2. 260 wk = ____yd
Thursday, April 21, 2016 by Kylie

Math
1. 2 yd = ____d
Thursday, April 21, 2016 by Kylie

Math
Ty needs to cut strips of wrapping paper that are each 9 inches wide. If Ty has 2 rolls of rapping paper that are each 15 feet long, how many 9- inch strips can he cut?
Thursday, April 21, 2016 by Kylie

math
what is 6*8 in the distributive propty
Thursday, April 21, 2016 by Anonymous

Math
The sum of ages of two sisters are 19 years.in five years time the product of their ages will be 208.what are their ages?
Thursday, April 21, 2016 by Miracle

Math
a jar contains 26 fluid ounces of spaghetti sauce, how many cups of spaghetti sauce do 4 jars contain?
Thursday, April 21, 2016 by Jo

Altitudes $\overline{XD}$ and $\overline{YE}$ of acute triangle $\triangle XYZ$ intersect at point $H$. If the altitudes intersect at a $123^\circ$ angle, and $\angle YXH = 26^\circ$, then what is $\angle HZX$ in degrees?
Thursday, April 21, 2016 by Stephen

math
The volume of a cube is increasing at a rate of 2 1/2cm cube/sec. Find the rate of change of sides .
Thursday, April 21, 2016 by Princeton

math
An elastic spherical ballon is being blown up so that the radius is increasing at a rate of 1cm/sec. Calculate the rate at which the volume of the ballon is increasing when the radius is 5cm
Thursday, April 21, 2016 by Prince

Math
Solve: 19^(x-5)=3^(x+2) i know you then go: (x-5) log19= (x+2) log3 i just don't know what goes after?
Thursday, April 21, 2016 by Maxx

Math/Precal
i would like help for x with the equation: 2(3^x)=5
Thursday, April 21, 2016 by micheal

Math
A fully opened parachute is shaped like a hemisphere and has a diameter of 8m. Which of the following is closet to the volume of air that can fit in the fully opened parachute a)134m3 b)268m3 c)1072m3 d)2145m3
Thursday, April 21, 2016 by Claudia

math- pre calc
Suppose that (x,5/13) is a point in quadrant 2 lying on the unit circle. Find x. Write the exact value, not a decimal approximation.
Thursday, April 21, 2016 by Julia Hunt

Math
What is the area 7cm by 4cm
Thursday, April 21, 2016 by Anonymous

Math
PLEASE HELP I DONT UNDER STAND THIS What would a graph that represents the linear function y=3x+1?
Thursday, April 21, 2016 by skye

math
Calculate the perimeter of a rhombus with a side of 5.6 cm
Thursday, April 21, 2016 by joelle

MATH 1 QUESTION MS.SUE PLZ HELP OR ANYONE??
if the coordinates of a point have the same sign which quadrant(s) would point be in? A. quadrants I and II B. quadrants I and III C. quadrant III**** D. quadrant IV (idk)
Thursday, April 21, 2016 by Sparkles_01

math 1
Factor the expression: 8p^2 + 56p + 98
Thursday, April 21, 2016 by Anonymous

Review
When you encounter a part of a lesson or math problem that makes you feel stuck or confused, what do you do? How do you help yourself get unstuck and back on track?
Thursday, April 21, 2016 by Monica

1 math plz help ASAP
if the coordinates of a point have the same sign which quadrant(s) would point be in? A. quadrants I and II B. quadrants I and III C. quadrant III D. quadrant IV
Thursday, April 21, 2016 by Sparkles_01

math
if triangle ABC is similar to triangle DEF and the scale factor is 3, what is the length of side EF if side BC is 6m? triangle ABC is larger.
Thursday, April 21, 2016 by Georgeth

Math
a 154 lb person burns 420calories per hour riding an exercise bicycle at a rate of 15 mi/hr write a function rule to represent the total calories burned over time by that person. Explain how the information in the problem relates to the function.
Thursday, April 21, 2016 by jai

math
Which function rule represents the data in this table? X: -3 -2 -1 0 1 Y: -17 -14 -11 -8 -5
Thursday, April 21, 2016 by jai

Math
Find the next three terms in the sequence. –1, 9, 19, 29, . . . (1 point) A. 38, 37, 32 B. 40, 51, 62 C. 39, 49, 69 D. 38, 47, 56*** Am I wrong?
Thursday, April 21, 2016 by jai

math
length of a piece of wood must measure between 15 and 17 centimeters and the width must measure between 9 and 11 centimeters. write a system of linear inequalities to represent the possible dimensions of the wood,in inches,given that 1 inch equals 2.54 centimeters. plz do help...
Thursday, April 21, 2016 by Munna

math
(3 + 4) + 102 × (7 − 6) = how do i do this with the ()?
Thursday, April 21, 2016 by anthony

math
3 + 4 + 102 × 7 − 6 = how would i do this?
Thursday, April 21, 2016 by anthony

1. x^9 over x^2 A)x^11 B)x^7*** C)7 D)x^5 2. h^14 over h^5 A)h^-9 B)1 over h9 C)h^19 D)h^9*** 3.4^4 over 4 ^6 A)-16 B)16*** C)1 over 16 D)-1 over 16 4.5^0 A)0 B)5 C)1*** D)-5 5.7^4 over 7^2_____ 49 A)<*** B)> C)= D)none of the above 6.–2r(8r + 5) A)–16r2 + 5 B...
Thursday, April 21, 2016 by Jazmin G.

Math
Imagine that there is a circular track given by the equation x2+y2=2102500, where both x and y are measured in units of feet. At time t=0, Robin is at point (1450,0) and Shannon is at point (−170,1440). Both are running counterclockwise, with Shannon running at 2.3 feet ...
Thursday, April 21, 2016 by PLS HELP!! ASAP

math
water tank Height - 2m Width- 1m Length - 1.6m what is the water capacity
Thursday, April 21, 2016 by Rajasekar

Math
Which is considered an outlier? x:1,2,3,4,5,6,7,8,9 y:0.8,2.1,3.1,3.8,5.2,8.4,6.9,8.1,9 (2,2.1) (4, 3.8) (6, 8.4) (9.9) Can someone help, I think it's C or D?
Thursday, April 21, 2016 by Ana

A test has twenty questions worth 100 points. The test consists of True/ False questions worth 3 points each and multiple choice questions worth 11 points each. How many multiple choice questions are on the test?
Thursday, April 21, 2016 by Wawen

Math linear equations
Two small pitchers and one large pitcher can hold 8 cups of water. One large pitcher minus one small pitcher constitutes 2 cups of water. How many cups of water can each pitcher hold?
Thursday, April 21, 2016 by Wawen

math
what is the value of x in the proportion 2x+7/3x-4=11/2? A. 2 B. 58 C. 11/29 D. 2/5 I think its A but not sure???
Thursday, April 21, 2016 by api

math
The sides of a triangle are in the extended ratio 2 6 7. If the perimeter of the triangle is 45 inches, then what is the length of the shortest side? A. 2 inches B. 3 inches C. 6 inches*** D. 12 inches The measures of the angle of a triangle are in the extended ratio 17 16 12...
Thursday, April 21, 2016 by sekerre

math
calculation of prepaired tris buffer 0.02mol/lit , ph 9.0
Thursday, April 21, 2016 by rakesh

Math
Imagine that there is a circular track given by the equation x2+y2=2102500, where both x and y are measured in units of feet. At time t=0, Robin is at point (1450,0) and Shannon is at point (−170,1440). Both are running counterclockwise, with Shannon running at 2.3 feet ...
Thursday, April 21, 2016 by PLS HELP!!

Math
Solve the system. 3x^2+4x-y=8 y+3=2x^2+4x
Thursday, April 21, 2016 by I need help please!!

Bryan has 3 nickels, 3 dimes, and 2 quarters. What fraction of the coins is either a dime or a quarter?
Wednesday, April 20, 2016 by Tristan

math
Which of the following measurements, in centimeters, could be the lengths of the sides of a triangle? Select all that apply. a)3cm,4cm,5cm b)4cm,10cm,14cm c)5cm,11cm,15cm d)6cm,6cm,13cm e)7cm,4cm,12cm f)8cm,10cm,17cm THANK YOU!
Wednesday, April 20, 2016 by Tim

Math
When rounded to the nearest hundredth which number equals0.61
Wednesday, April 20, 2016 by Anonymous

math
Is it necessary to rename if you are subtracting 4 1/4- 2 1/4? why
Wednesday, April 20, 2016 by zmoli

Math
If a seed is planted, it has a 60% chance of growing into a healthy plant. If 6 seeds are planted, what is the probability that exactly 4 don't grow?
Wednesday, April 20, 2016 by Anonymous

Math
Let z=−93√−9i. When z is graphed in the complex plane, for what values of n does zn lie on the positive x-axis?

math
A town population of 23,000 at present grows at an average rate of 2.5% every 8 years. a)What is the possible population of the town in 25 years? b)How many people were living in the town 10 years ago?
Wednesday, April 20, 2016 by Winter

Math
Imagine that there is a circular track given by the equation x2+y2=1123600, where both x and y are measured in units of feet. At time t=0, Robin is at point (1060,0) and Shannon is at point (560,900). Both are running counterclockwise, with Shannon running at 3.9 feet per ...

Math
A new oil field has just begun production. The first oil removed is the easiest to get out, and so production falls as time goes on. The instantaneous rate at which oil can be extracted is 6% of the amount of oil remaining per year. Here, "instantaneous" refers to ...

Math
Need to figure out surface area of 144 times larger than 1928^2. SA=1928in^2 Answer in feet^2. My equation is SA = (1928in^2) (144^2) = 1928 x 20736 = 39,979,008 / 12in^2 = 3,331,584 ft^2 the correct answer is 251,712ft^2 can't seem to get it.......... Thanks
Wednesday, April 20, 2016 by Garrett

Math
Let z=−93√−9i. When z is graphed in the complex plane, what radian angle does it make with the positive x-axis? What radian angles do z2, z3, and z4 make with the positive x-axis? z2: z3: z4: For what values of n does z^n lie on the positive x-axis? For the ...