# Math

## Recent Questions

math
Given G of x equals the integral from 1 to x of the natural logarithm of the quantity 2 times t plus 1, dt, find G '(x) ln(2x + 1) ln(2x + 1) − ln3 ln(2t + 1) + C 2 divided by the quantity 2 times x plus 1 my answer is ln(2x+1) but I dont think its right

math
there were 12 red fish,5 blue fish,and 2 yellow fish.how many fish were there altogether?

math
Micah walks on a treadmill at 4 miles per hour. He has walked 2 miles when Luke starts running at 6 miles per hour on the treadmill next to him. If their rates continue, will Luke's distance ever equal Micah's distance? Explain. *At 5 hours Luke will run 30 miles and at 8 ...

math
in an arithmetic sequence 17th term is 9 times the first three terms and the 9th term is 6 less than 3 times the 1st term. Find the first three terms

math
in an arithmetics sequence the 17th term is 6 less than 3 times the 1st term. Find the first three terms

math
what is angle B if triangle ABC is given such that angle A is 46° sides a=4 &b=8 side a faces angle A..

Math
The ratio of the ages of husband and wife is 4:3. After 4 years the ratio will 9:7 . At the time of marriage the ratio was 5:3 , then how many years ago they got married?

Math
Binomial Theorem using Pascal’s Triangle or nCr to find the coefficient then find the 27th term of (-3x+4y)55. Don’t forget to clean up the algebra.

Math
Consider the functions p(x) = 2x + 5 and k(x) = 3x + b, where b is a real number. If p(k(x)) = k(p(x)), what does b equal?

I need step-by-step help. I don't understand this at all. My homework problem is: Two friends cut a large candy bar into equal pieces. Harriet ate 1/4 of the pieces. Nisha ate 1/2 of the remaining pieces. Six pieces were left over. How many pieces was the candy bar originally ...

Math
Allis drives 15 miles faster than diana. In the same time Diana travels 440 miles, Allie goes 560 miles. Find their speeds

Math
find the area for the circle ( use 3.14 for pi ) show your work round to the nearest tenths . 23 yd

Math
chandra has 3 liters of a 28% solution of sodium hydroxide in a container. What is the amount and concentration of sodium peroxide solution she must add to this in order to end up with 7 liters of 48% solution?

math
use the distance formula to find the distance between the points (-3,8) and (-4,-1) round to the nearest hundredth if neccesary

math
What is the value of x + y in the solution to the system of equations below? x + 8y = 2 y = -0.25x I just need the best explanation so i can do all my other problems cause im confused.

check my work..math grade 8...surface area
A men's basketball is about 24.3 centimeters in diameter, while the diameter of a women's basketball is about 23.4 centimeters. What is the ratio of the surface area of a men's basketball to the surface area of a women's basketball? Round your answer to the nearest hundredth. ...

Math
A recipe calls for 2 2/4 cups of raisins but Julie only has 1/4 cup measuring cup.how many 1/4 cups does Julie need to measure out 2 2/4 cups of raisins?

MATH
Is 1/5 a Irrational number Rational neither

Math
Yoour goal is to save at least \$240.00 over the next 4 weeks.How much must you save each week in order to meet that goal. Write and solve an inequality. a)4x>240;x>60 b)x>240;x>4 c)240x>60;x>60 d)4x<240;x<60******* ALL OF THE SIGNS WHERE EITHER GREATER ...

math
write 0.75 as a fraction

Math
12 girls and 20 boys signed up to play n a basketball tournament. Each team needs to have an equal number of girls and boys. What is the greatest number of teams possible

Math
You use a line of best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data set is 0.109. How confident can you be that your predicted value will be reasonably close to the actual value? • a) I can’t be confident at ...

math
5 teachers can mark 60 exams papers in 4 hours how long will it take 3 teachers to mark all 60 papers

math
Linda works 3 days per week at \$6 per hour. If she works 4 hours per day how many weeks will it take Linda to earn \$350?

Statistics Math
Let A and B be two exclusive events with P(A)=.2 and P(B) =.3. Find P(A|B)

Math
Write the equation of a line that is perpendicular and that passes through the given point. y+2=1/3(x-5);(-4,3) I need help with this problem

Math
Edit Write a differential equation to express (a) The rate at which the volume of a sphere changes with radius is proportional to the square of the radius. b) Gravitational attraction F between two given bodies of masses m1 and m2 decreases with the distance between them. The...

Math
I have 20 centimeters of yarn. I have 15 balls of yarn that each measure 3 meters long. How many bookmarks can I make?

Math
Robert wants to build a square sandbox that has an area of 25 feet

Math
The perimeter of a triangle is 43 feet.The small side is three was in the middle side, and the largest size to less than twice the middle side. What is the length of the longest side?

Math
what is 4+9 to the second power divided by 3x2-2

Math
Using only 7,6,5 and 3 once, how can I make the number 75? Using division, multiplication, adding and subtracting. With parenthesis!!

Math
Three scientists are observing Rickey and Riley, laboratory rats, to see how long each rat takes to find a piece of cake in a maze. The maze is a large box with open pathways running north-south and east-west in a grid pattern. Riley takes the direct route by traveling three ...

math
findmBACandmDAB in the figure shown below

Math m1
A car of mass 1 tonne is towing a trailer of mass 400kg. They are connected by a rigid rod. Initially they are travelling at a constant speed. The car then accelerates. If the force in the rod is 600 N, find the acceleration of the car and the driving force of the engine.

Math
Fill in missing values for a rectangular prism? Length is 8. Width is missing. Height is 14. Surface area is missing. Volume is 324.8

Statistics (elementary probability theory)
In an examination 60 candidates offer maths, 80 offer english,and 50 offer physics, if 20 offer maths & english, 15 offer english & physics, 25 offer math & physics and 10 offer all the 3. How many students entered to the examination ?

MATH
Scale 3 cm = 50 miles 1. Did you know Chillicothe was once the capital of Ohio? The distance from Chillicothe to the current capital, Columbus, is 48miles. Using the scale on the map how many centimeters apart are the two cities? Make sure you label your answer. 2. You are ...

math
On Monday the temperature was 50 degrees the temperature increased by 22%. what was the temperature on Tuesday. 72 degrees 65 degrees 56 degrees 61 dgrees

Math/ slope
write equation of line through the point ( -3,2) and slope of 1/4 in slope intercept form

Math
5x - 4y =-3 Y = -3x + 5 Solve for x and y How do we solve for x and y when the formats of the equations are different. That's we here I'm lost. When I try to get the answer I get confused

Math
Charles is going camping with hisis family. Their campsite is five eighths 5 8 mile away. They walk at a steady speed of 1 and one fourth1 1 4 mi divided by hmi/h. How many minutes will it take them to get to the​ campsite?

Math
A woman drove her car on a road running due north at a given rate for 6 hours. She continued her trip on an unsaved road due east for 5 hours at a rate of 4mph slower. Had she been able to go to her destination in a straight line from her starting point and at her original ...

Math
8x + 14y = 24 6x + 7y = 10 We are suppose to solve for x and y but I don't get the right answer

Math - fractions
Name 2 fractions between 1/2 and 5/7

Math
Mike and Jennifer are preparing for a race. On Friday, Mike ran for 3 2/5 hours and Jennifer ran for 4 3/4 hours. How much longer did Jennifer run (in minutes)? I know that 3 hours= 180 mins 4 hours = 240 mins But I'm not sure what the fractions would be, and when I tried to ...

Math
If (a) varies directly as (b) and b= 20 when a= 4, find (b) when a=60 I don't understand this question at all

Find the surface area for the given prism a. 564in^2 b. 664in^2 c.1,120in^2 d.1,080in^2

Math
Frank has \$20 less than Tracy. John has twice as much as Frank. Patty has three times as much as John. Together they have \$340. How much does each person have? I tried multiple different numbers but they were either more or less then \$340

Math
How can I find the equation for x From (x/y) = (x+a-b)/z

Math--Matrix
Q1. Suppose A= ( -1 2 -3 -4 3 2 1 3 1 ), then the determinant of this matrix is? Q2. Suppose det ( 1 2 3 1 4 5 y 4 5)=0, then y=?

Math--Matrix
Suppose A = ( 6 9 -1 -4). Then the largest eigenvalue of A is? The smallest eigenvalue of A is?

Math--Matrix
Suppose v= (1 x) is a 3-eigenvector of A= (5 -1 6 0), then x=?

Math (Algebra 2)
What is the probability of choosing an H or a vowel? Honorable is the word. This is how I answered it Its mutually exclusive because of the key word "or" which is the Union. P(H)+P(Vowel)=1/9+4/9 Answer is 5/9 did I solve this right? Thanks

math
10-2+3x5 no parethesis

Math 1100
A pipe 24ft long is cut into four pieces, the first 4ft long, the second 5ft long, and the third 7ft long. What is the length of the remaining piece ?

math
1. Clay is on the basketball team at his high school. In one game, he had a total of 20 points, made up of 2-point and 3-point baskets. If he made a total of 9 baskets, how many of each type shot did he make?

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. ...

math
I buy 6 CDs for \$6.99. How much change do I get from \$50? Please does it mean one CD \$6.99 or 6 CDs total \$6.99? Cheers!

Math
Question! If you put a bacteria in a beaker that doubles itself every minute at 11 and it's full at 12 at what time is it half full

math
I bought 3 oranges for 29p and 2 drinks for 90p. How much did I spend altogether? Does it mean 29p for each organes or for all 3 oranges? cheers!

MATH
RAQUEL IS NOW 3YRS OLDER THAN BEN.IN 5 YRS,THE SUM OF THEIR AGES WILL BE IS HOW OLD ARE THEY NOW?

Math
Emily drives 1000km in the first week of her journey. Every week Emily increases the distance by 50%. So, in the second week she drives 1500km, and in the third week she drives 2250km. How far will she have travelled altogether after 5 weeks? A. 5062.5km C. 9650.5km B. 8125....

Math
Leslie used more than a 1/2 cup but less than 1 whole cup of flour for recipe. what fraction of a cup Leslie used. Explain.

Math
How many pieces 3/7 of a foot each can I make out of 7/2 feet of rope?

math
Solve: a toy store has 38 red spiders. It has 43 black spiders. Does it have more red spiders or black spiders? 38<43

math
n apples are to be packed into m boxes so that each box contains the same number of apples. How many apples will be packed into each box in terms of m and n?

math
Elijah made an array of Skittles with 3 rows and 4 columns. Josh made an array of peanuts with 4 rows and 2 columns. Jake made an array of M&M's with 2 rows and 5 columns. What is the total of the candy? -Is it 30?

I only need help on #2 I did number one if you can check it great if not only can help me on 2 Croakie is a very talented frog. He does tricks for the audiences at the Calaveras County Fair contest every year. Some of his tricks are quickly making him famous. He not only hops...

math
Ryan's team won 2 games and scored 27 points in the first game and 24 in the second game. They lost a game 40 to 18. What was the total number of points the team scored in the winning game?

Math
The average atomic weight of all elemons in the periodic tabe is 134.355 unidied atomic mass uints.

math
1.solve for the given variable: x + 1/2 = 1 1/2 3/4 1*** 2 3 2. solve for the given variable: 10/13n = -30/39 -20/13 0 100/169 -1*** 3. solve for the given variable: k-3/4 = 10 43 5.5*** 37 52 PLEASE HELP ME WITH MY MATH!!!!

math
108 is 36% of what number? Write and solve a proportion to solve the problem. First write the proportion to find the missing value, which I will replace it with n. 108/n = 36/100 Next write the cross products. So, 36n = 108 x 100 = 10,800 divide each side by 36. 36n/36 = 10,...

math
Can i have the answers to the Algebra workbook 7th grade with the link to a pdf document with all the answers. Thank you

math (Ms. Sue plz help)
A bike was originally 240 but the price was marked up 15%W What is the new price of the bike? a) \$250 b) \$264 c) \$268 d) \$276****

Math
Mrs Rossi wrote a mystery number it is 3 digit number the tens are double the ones the hundred are double the tens the sum of the digit is 14 What number is it. The answer is 491

Math
1/3 pan of brownies is left on the table sarah wants to share with 7 friends how much of the total pan will each girl get

math
A 4-pound box of rice, which is a mixture of white rice and wild rice, sells for \$1.80 per pound. White rice sells for \$0.75 per pound. Wild rice sells for \$2.25 per pound. How many pounds of white rice are in the mixture? -White rice = W Wild ride= S S+W=1.80 0.75w+2.25s=7.2 ...

Math
Please show me how to write an equation in slope intercept form for a line with a y intercept of -1 and an x intercept of 4

math
Find all solutions to the given equation. tan(x/3)=0

Math
System Of Elimination: Greg invested \$11,000 in two accounts. The first account pays 5% interest per year. The second account pays 8% interest per year. Greg earned a total of \$752.50 in interest at the end of the first year. How much did Greg invest in the 5% account? ~I don'...

Math
Where would 5.33 be on a number line

Math
Drew does push-ups every three days starting on 3 January. He does sit-ups every four days starting on January 4, On which days in January will he do both push-ups and sit-ups? Use words, numbers, or models to justify your answer

math
a turtle runs .5' a second. how far can he run in 1 hour?

Math
The directions For lemonade say to put 2 cups of the liquid concentrate into 1 gallon of water if Olivia only wants to make 1 pint of lemonade how many fluid ounces of concentrate would she use explain

Math
Julian wants to put a border around two sides of a rectangular shaped Garden he has a 12 foot piece of lumber that will be cut into 1/3 foot pieces how many 1/3 foot pieces can julienne cut from the lumber??

Math
There are five Voting Districts in the City; District A with 877 constituents, District B with 1062 constituents, District C with 1364 constituents, District D with 1518 constituents, and District E with 1933 constituents. There are 14 available on the local School Board. Use ...

math
A baseball diamond is a square with each side 90 feet long. What is the straight-line distance from third base to first base? (Round your answer to the nearest tenth.)

input output math
i need help with the input 4 and output 25, input 5 and output 32

Math
Jim has 87 lightbulbs to put into packages of 4 bulbs each. Before he packed the bulbs 10 lightbulbs broke How many complete 4 packs of lightbulbs could he make with the remaining bulbs?

Math
Mrs. Sue, I have a math question if you can please help me on this. I am confused. I am doing coordinates. If I have a theater at 5 and a Restaurant at -4 (5,-4) how do I find out the halfway point in between?

math
Martina and Charlotte are sharing a pizza.The pizza is cut into eight pieces. Martina ate a quarter of a pizza . Charlotte ate 3 pieces. How many are left?

Math
Dale grew 63 tomatoes. She sold them at a roadside stand. She put 5 tomatoes in each carton and sold each full carton for \$3. How much money will she make for all of the full cartons?

Math
Dr ew does push ups every three days starting on January 3. He does sit-ups every four days starting on january 4, On which days in January will he do both push-ups and sit-ups? Use words numbers, or models to justify your answer.

Math
Derek ran 3/8 of a race before he had to stop for a break .if the race is 6 miles long,did Derek run more than,less than ,or equal to 6 miles before he took a break?

Math
a swimming pool is 40m long 25m wide 6m deep find a cost of cementing of its floor and walls at the rates of ₹135 square per meter

Math
A section of stained glass is made by placing a circle at the top of a triangle with a base of 10 centimeters and a height of 8 centimeters. The diameter of the circle is equal to the height of the triangle. What is the area of the section of stained glass? Show your work. Use...

Math
Three scientists are observing Rickey and Riley, laboratory rats, to see how long each rat takes to find a piece of cake in a maze. The maze is a large box with open pathways running north-south and east-west in a grid pattern. Riley takes the direct route by traveling three ...

math
a post 47 m high is supported by two equal wires attached to its top and to two points on a level ground, each of it is 18 m from the food of the post. Find the length of each wire

Math
What two numbers the exact answer is between 3x567 6x7,381 4x94 8x684

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