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March 30, 2017

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Homework Help: Math

Branches of Math

Recent Math Questions

Math
How do you find two numbers the exact answer is between
Wednesday, February 1, 2017 by Hannah

Math
What is an example of a real world relationship where there is no clear independent or dependent variable
Wednesday, February 1, 2017 by Pam

Math Cal 1
Find numbers a and b or k so that f is continuous at every point. \ F(x)= 4x+7 if x<-4 kx+10 if x≥-4 Is -5/2 the correct answer?
Wednesday, February 1, 2017 by Christopher

4th grade math
Can you check please. 1. Melvin had 20 children in his kindergarten class. Two-fifths of the children had brown eyes. Onefourth of the children had blue eyes. The rest had hazel eyes. How many children had hazel eyes? 20(2/5) = 8 brown 20(1/4) = 5 blue 8+5=13. So 21-13 = 7 hazel
Wednesday, February 1, 2017 by Jared

math
the product of helena's age and 4 is 76
Wednesday, February 1, 2017 by brandon

M1-math
A bullet of mass 20 grams is fired into a wall with velocity of 400 ms 1. If the bullet penetrates the wall to a depth of 1cm, find the resistive force of the wall.
Wednesday, February 1, 2017 by Stephan

math
One half a number minus 6 is 4 . What is the number?
Wednesday, February 1, 2017 by math

math
a car travels 120m along a straight road that is inclined at 8°to the horizontal. calculate the vertical distance through which the car rises
Wednesday, February 1, 2017 by rokeeb

Math
Decide if the following pair of functions are of the same order. (a) f(x) = x^2 - 7 and g(x) = x^2 + 7 I found this example solution online: a). f(x) = 3x + 7 and g(x) = x x <= 3x + 7 <= 4x for all x > 7 I need help making sense of this so I can apply it to my work. ...
Wednesday, February 1, 2017 by Winston

math
find the surface area for the given prism
Wednesday, February 1, 2017 by chris brown

MATH
Which equation shows the correct use of power of products property? a) (2x^5y^2)^3 = 6x5y^2 b) (2x^5y^2)^3 = 6x^15y^6 c) (2x^5y^2)^3 = 8x^8y^5 d) (2x^5y^2)^3 = 8x^15y^6 Is it D? I am very counfused
Wednesday, February 1, 2017 by Topkitty21

math
the area of a rectangle is 480 sq. metres .what is its width if its length is 120 metres ?
Wednesday, February 1, 2017 by alefiya

Math
For once I am the one who needs help so help if you can ASAP. 1.Determine which ratio forms a proportion with 9/5 by finding a common multiplier. A. 54/30 B. 45/50 C. 45/90 D. 90/20 Also.. 2.Determine which ratio forms a proportion with 14/35 by writing the ratio in simplest ...
Wednesday, February 1, 2017 by 100%Postive

math
An electrician charges a fee of $45 plus $30 per hour. Let y be the cost in dollars of using the electrician for x hours. Find the slope-intercept form of the equation
Wednesday, February 1, 2017 by tamia

Math (please check my answer!!)
1. Tri SVX is congruent to Tri UTX. Reason: Given. 2. Line SV is parallel to line TU. Reason: Given 3. Line SV is congruent to line TU. Reason: CPCTC 4. VUTS is a parallelogram. Reason: If a pair of opposite sides of a quadrilateral are parallel and congruent then it is a ...
Wednesday, February 1, 2017 by Ren

math
A 13 feet ladder is placed 5 feet away from a wall. What is the distance from the ground straight up to the top of the ladder?
Wednesday, February 1, 2017 by Ron

Math, physics, chemistry
calculate total ionic strength of solution in which concentration of CuSO4 and Al2(SO4)3 is 0.1 molar
Wednesday, February 1, 2017 by Danish malik

Math
Write a list of steps that are needed to find the measure of angle B. A measures 72 degrees and C measures 113. What does B measure?! Please help!
Wednesday, February 1, 2017 by Please Help!

Math
Four brothers share 3 pizzas equally , how much of a pizza does each brother get
Wednesday, February 1, 2017 by Amerie

math
Wood floors are being refinished in an office. If the room is a square with 15 foot 6 inch sides, what will it cost to have the floor refinished at $5.98 per square foot?
Wednesday, February 1, 2017 by Anonymous

Math
1. What are the next three terms in the sequence? –1, 9, 19, 29, … (1 point) 38, 37, 32 40, 51, 62 39, 49, 59***** 38, 47, 56 Please help me, thanks.
Wednesday, February 1, 2017 by Thoughtful Guy

Math
If the gradient of AB is 3/4 , find the coordinates of A and B.
Wednesday, February 1, 2017 by sham

Math
52 pencils are put into boxes .7 in each box how many boxes are needed? how many pencils will be left?
Wednesday, February 1, 2017 by Anonymous

Math
The coordinates of the midpoint of the line AB are (1, 2). The length of the line AB is 10 units. (a) If the gradient of AB is 0, find the coordinates of A and B (b) If the gradient of AB is 34 , find the coordinates of A and B.
Wednesday, February 1, 2017 by sham

math
a petri dish starts out with 500 bacteria. The amount of bacteria increases 25% each minute. Y=500(25)????
Wednesday, February 1, 2017 by Anthony

Math
The coordinates of the midpoint of the line AB are (1, 2). The length of the line AB is 10 units. If the gradient of AB is 0, find the coordinates of A and B
Wednesday, February 1, 2017 by Kevin

Math
the temperature at six o clock in the morning which is 26.5°c became 31°c . What was the average temperature?
Wednesday, February 1, 2017 by Kath

Math
A person sitting on a boat is situated 2m above sea level. They note that a straight line from themselves to the top most point of a nearby lighthouse is 16 degrees. After travelling a further 50m directly away from the lighthouse this angle has decreased to 12 degrees. How ...
Wednesday, February 1, 2017 by Youseff

Math
If f(x) = 2x-9, find f(p) and f(x+h).
Wednesday, February 1, 2017 by Hnng

math
About 80% of the mass of a human body is water. If Hugo is 85kg, how man kilograms of water are in his body? this question is for financial mathematics topic
Wednesday, February 1, 2017 by MN

Math
Four brothers share 3 pizzas equally , how much of a pizza does each brother get
Tuesday, January 31, 2017 by Amerie

Math
Four brothers share 3 pizza equally . How much of a pizza does each brother get
Tuesday, January 31, 2017 by Amerie

Math
You use a scale of 1 inch = 280 feet to build a model of the Great Pyramid of Giza. The width of the base of the pyramid is 756 feet. What is the width of your model? 1. 27 in. 2. 3.4 in. 3. 3 in. 4. (2.7 in.)
Tuesday, January 31, 2017 by Help I need somebody not just anybody

Math
f(x+h)−f(x)=8hx^2+2hx+2h^2x−3h^2−4​h^3. Find f′(x).
Tuesday, January 31, 2017 by Sarah

Math
f(x+h)−f(x)=4hx−1h+5h^2. Find f′(x).
Tuesday, January 31, 2017 by Bobby

Math
Marcus built a model car that is 4 inches wide. What scale was used to build the car if the actual width of the car is 6 feet? 1 in. = 2 ft 1 in. = 2.5 ft 1 in. = (1.5 ft) 1 ft = 1.5 in.
Tuesday, January 31, 2017 by Help I need somebody not just anybody

math
There are consecutive even numbers. If the middle number is 2n, find the rest of them in term of n
Tuesday, January 31, 2017 by Anonymous

Math
John bought 8 bananas at the grocery store. Each banana weighed 50 grams. If the price for the bananas was $6.50 per kilogram, how much did he pay?
Tuesday, January 31, 2017 by Laquincy

Math
Mr. Hernandez asked his students to estimate the area of the circular garden in front of the school. If the radius of the garden is 7 feet, which statement is closest to the area of the garden
Tuesday, January 31, 2017 by Karla

Math
a clock will lose 5 minutes every day. How much time will it lose in 2 hours?
Tuesday, January 31, 2017 by good

Math
Order the following from least to greatest 0.3 3/5 0.66 2/3 0.35
Tuesday, January 31, 2017 by Jacob

Math
The temperature of a freezer is never greater than -2 degrees C. Yesterday the temperature was -10 degrees C, but it increased at a steady rate of 1.5 degrees C per hour. How long in hours and minutes did the temperature increase inside the freezer?
Tuesday, January 31, 2017 by True_Prodigy

math
Georgetown and Franklin are 9.7 in apart on a map that has a scale of 1.1 in : 15 mi. How far apart are the real cities?
Tuesday, January 31, 2017 by julia

Math
Martin has 12 times as many baseball cards as Josie. Josie has 29 more cards than Kal. How many baseball cards does Martin have?
Tuesday, January 31, 2017 by Joe

Math
Carl had a part of a pizza. He gave 1/6 of a pizza to Susan. What part of a pizza did Carl have at first? Use the variable p.
Tuesday, January 31, 2017 by Bryan

Math
Gabriel has read 150 pages of a 236 page book.If he reads 9 pages a day, in how many days will he finish the book?
Tuesday, January 31, 2017 by Isabella

Math
How does RJ eat more than Jack when RJ ate 5/5 and Jack ate 9/10? Explain.
Tuesday, January 31, 2017 by Mario

Math
7/8 - 5/6 =
Tuesday, January 31, 2017 by Graciela

Math
How do you solve x- 4/5 = 12/15
Tuesday, January 31, 2017 by Miyah

Supportive learning environment
The ideal early childhood schedule for preschool children contains which of the following? A. Frequent changes in activities so children don't get bored B. A 45-minute circle time activity C. Integrated activities within a large block of time D. A specific time for each ...
Tuesday, January 31, 2017 by Priscila

Math (Elementary Linear Algebra)
Find the general flow pattern of the network. 20<---A |\B__>x(4) |/ 80<---C I believe the system of equations for A,B,&C is-A: x(1)+x(3)=20 B: x(2)=x(3)+x(4) C: 0=x(1)+x(2) Assuming flows are all nonnegative, what is the largest possible value for x(3). Sorry, this ...
Tuesday, January 31, 2017 by Sara

Math
How do I shift f(x)=x^2+sinx 3 to the right and 7 up?
Tuesday, January 31, 2017 by Anon

math
your brother is 1/3 your age.your sister is 6 years older than your brother. your sister is 10 years old. write and solve and equation to find your age a
Tuesday, January 31, 2017 by j

Math
21÷4
Tuesday, January 31, 2017 by Yoltzin

math
by how much does -y exceed y?
Tuesday, January 31, 2017 by Anonymous

math
a 6 pack of undershirts costs 13.98. This is 3,96 less than the cost of buying 6 individual shirts. If each undershirt costs the same amount, how much does each undershirt cost when purchased individually?
Tuesday, January 31, 2017 by rose

Math
Decide if the following pair of functions are of the same order. (a) f(x) = x^2 - 7 and g(x) = x^2 + 7
Tuesday, January 31, 2017 by Winston

math
a bag of chips weigh eight ounces how many bags of chips weigh 12 pounds
Tuesday, January 31, 2017 by laura

Math
Johnny is jogging along a track.he has already jogged 1 2/3 miles.he plans to jog a total of 3 1/4 miles.how many miles does he have left to jog
Tuesday, January 31, 2017 by Anonymous

Math
What number would be 3 thousands 9 hundreds 17 tens and 2 ones?
Tuesday, January 31, 2017 by Kaiden

Math
20. Write a sequence of transformations that maps quadrilateral ABCD onto quadrilateral A"B"C"D in the picture below. ( i know it doesn't show the pic of the graph but i need so much help)
Tuesday, January 31, 2017 by Need Help Anyone !

Math Unit Geometry Test 8th Grade
Does anybody know the answers for the geometry unit test, 8th grade ?
Tuesday, January 31, 2017 by The idiot

math
in a circle of radius 6cm , a chord is drawn 3cm from the circle (a)calculate the angle subtended by the chord at the centre of the circle
Tuesday, January 31, 2017 by kelvin mafara

MATH @Damon @ms. Sue
Belinda wants to invest $1000. The table below shows the value of her investment under two different options for three different years: Number of years 1 2 3 Option 1 (amount in dollars) 1100 1210 1331 Option 2 (amount in dollars) 1100 1200 1300 Part A: What type of function, ...
Tuesday, January 31, 2017 by sarah

Math
How do i write 2,000,000+5,000+60+7 in standard form?
Tuesday, January 31, 2017 by Joeisdy

Math
The population of bacteria in a petri dish doubles every 12 h. The population of the bacteria is initially 500 organisms. How long will it take for the population of the bacteria to reach 800? Round your answer to the nearest tenth of an hour.
Tuesday, January 31, 2017 by Ray

Math
The maximum possible score in an exam was 80 and all questions carried equal weightage. For each correct answer 4 marks were awarded whereas for each wrong answer 1 mark was deducted. For no answer, the marks remained unchanged. A student got 57 marks in which he failed to ...
Tuesday, January 31, 2017 by Anonymous

Math
The maximum possible score in an exam was 80 and all questions carried equal weightage. For each correct answer 4 marks were awarded whereas for each wrong answer 1 mark was deducted. For no answer, the marks remained unchanged. A student got 57 marks in which he failed to ...
Tuesday, January 31, 2017 by Anonymous

math
area of rectangle is 9 13/18. and the length is 4 3/8.what will be the width ? what will be the perimeter ?
Tuesday, January 31, 2017 by sai tej

Math
The maximum possible score in an exam was 80 and all questions carried equal weightage. For each correct answer 4 marks were awarded whereas for each wrong answer 1 mark was deducted. For no answer, the marks remained unchanged. A student got 57 marks in which he failed to ...
Tuesday, January 31, 2017 by Ivo

math
a tank with a 14 foot diameter is 20 feet tall. how many gallons of oil will it hold. ( cu. ft. = 7.5 gal)
Tuesday, January 31, 2017 by Anonymous

MATH
Which expression calculates the time in hours an object takes to travel 38 miles at a speed of 2 m/h ? 38+2 382 38−2 38⋅2
Tuesday, January 31, 2017 by Tyler

math help plz really urgent
1. The formula M=log I/S determines the magnitude of an earthquake, where I is the intensity of the earthquake and S is the intensity of a “standard earthquake.” How many times stronger is an earthquake with a magnitude of 8 than an earthquake with a magnitude of 6? Show ...
Tuesday, January 31, 2017 by sammi

Business math
An invoice is dated January 25 with terms 2/10 -20x. Find the final discount date and the net payment date. The net payment date is 20 days after the final discount date.
Tuesday, January 31, 2017 by Mike

Math
Mrs. Renu wants to deposit a regular amount at the beginning of each quarter for 3 years. The bank pays interest @ 8% per annum. Find the quarterly deposits if Mrs. Renu will get Rs. 40000 at the end of 3 years.
Tuesday, January 31, 2017 by Sonu

math
An elevator descends at a rate of 4.5 feet per second. If the elevator begins its descent from a height of 360 feet, at what height will it be after 17 seconds?
Tuesday, January 31, 2017 by nylah

Math
which g the following is a regular polygon. (a.rectangle (b.circle (c.equilateral triangle (d.trapezoid
Tuesday, January 31, 2017 by ELI

math
Separate the following into partial fractions: (a) 3x^2/(x-1)^2 (x-2) (b) x-1/(x^2 + 2)(x + 1) (c) x^2 + 1/(x + 1)(x - 3)
Tuesday, January 31, 2017 by karma

Math
A variable star is one whose brightness alternately increases and decreases. Lists of variable stars can be found online, and many occur in familiar constellations visible with the naked eye. One such star, R Hydrae, has an average magnitude rating of 7.2 but its magnitude ...
Tuesday, January 31, 2017 by Meenu

math
1) Carmen borrowed $1,200 for three months at 10.5% interest. How much interest did she pay for the loan? 2)Zack deposited $1,200 in a savings account that paid 7.75% simple interest. What was the balance in his account at the beginning of the third year? 3)Dan and Dawn ...
Tuesday, January 31, 2017 by kama

MATH @Damon @ms. Sue
Can Someone check my Work Belinda wants to invest $1000. The table below shows the value of her investment under two different options for three different years: Number of years 1 2 3 Option 1 (amount in dollars) 1100 1210 1331 Option 2 (amount in dollars) 1100 1200 1300 Part ...
Tuesday, January 31, 2017 by sarah

Math
Carolina has 10 marbles. One half of them are blue. How many of Carolina's marbles are blue?
Tuesday, January 31, 2017 by Yesica

math
The solution of the inequality ax- 2 < -4 is x < -1. What is the value of a?
Tuesday, January 31, 2017 by skyler

math
A boat traveled downstream a distance of 9090 mi and then came right back. If the speed of the current was 88 mph and the total trip took 66 hourscomma nbsp, find the average speed of the boat relative to the water.
Tuesday, January 31, 2017 by taylor

math
Describe the points on the earth’s surface that are visible to a viewer who is 100 miles above the North Pole. Would it be half of the surface area of Earth?
Tuesday, January 31, 2017 by Helen

math
Three softball teams ordered equipment from the same catalog. The first team spent $285 on 5 shirts, 4 caps, and 8 bats. The second team spent $210 on 12 shirts and 6 caps. The third team spent $250 for 7 shirts, 10 caps, and 3 bats. What were the catalog prices for shirts, ...
Monday, January 30, 2017 by Sophia

Math
x = 2 when y = 12 in the proportion x/6 = k/y. Find x when y = 8.
Monday, January 30, 2017 by Anonymous

math
barry gave 1/8 of his stamps to Tom, if he gave 15 stamps to Tom , how many did he had at first?
Monday, January 30, 2017 by avary

Math
Another way to name 1/4
Monday, January 30, 2017 by Dwayne

math
An ant is on top of a tree 23 meters tall, directly above her home, which is 0.3 meters below the ground. What is an expression that represents the difference in elevation between the ant and her home?
Monday, January 30, 2017 by Anonymous

Math
It takes 3/8 cup of powered drink mix to make 1 quart of a flavored drink. How many quarts of flavored drink can Juanita make with 3 cups of Cherry, 7/8 cups of grape and 2 1/4 cups of orange?
Monday, January 30, 2017 by Jeanecia

Math
Julie withdraws $175.00 from her bank account. This amount is 25% of her total savings. How much did she have in her account originally? I think that I multiply 175.00 by 4 which is 700.
Monday, January 30, 2017 by Brady

Math
A salad dressing is 40% peanut oil. Greg wants to make 5 cups of dressing. How much peanut oil does he need?
Monday, January 30, 2017 by Brady

Math
If the distance between 2 cities on the map is 2.5 inches and they are 125 miles apart what is the scale of the map
Monday, January 30, 2017 by Wendy Smerkar

math
1. P(7) (1 point) 1/7 1/8 3/8*** 7/8 2. P(not 7) (1 point) 1/7*** 1/8 5/8 7/8 3. P(a multiple of 2) (1 point) 0.25*** 0.5 0.625 0.75 4. P(a factor of 12) (1 point) 12.5% 25% 50% 62.5%*** 5. Which event has the greatest likelihood? (1 point) spinning 7 spinning not 7 spinning a...
Monday, January 30, 2017 by please hepl

math
how do u identify a line segement? its not like im trying to get straight answers or anything i just wanna know
Monday, January 30, 2017 by dipper pines!!!

Math
which pair of ratios does NOT form a proportion? A.(3/5 24/40) B.30/10 15/3 C.9/14 3/4 D.7/12 14/24 Ms. Sue is this right?
Monday, January 30, 2017 by Help I need somebody not just anybody

Math
Select all the pairs of ratios that form a proportion. 1. 1/6,4/20 2. (7/9,28/36) 3. (14/18,21/27) 4. 30/80, 6/18 Ms. Sue are these right?
Monday, January 30, 2017 by Help I need somebody not just anybody

math
Shaul made a password that consists of one letter followed by two digits. The two digits are different. How many posible passwords did Shaul choose from?
Monday, January 30, 2017 by Keerat

Math
Mrs. Young's tennis court is a rectangular that is 30 feet wide by 70 belong what is the perimeter
Monday, January 30, 2017 by Aliza

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