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Math

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Recent Math Questions

math
You flip a fair coin 10,000 times. Approximate the probability that the di fference between the number of heads and number of tails is at most 100.

Math
Write as a radical power 1. 3√13^2 2. √(2/3)^5

Math
True or false (check) A. All integers are natural numbers FALSE B. All rational numbers are integers TRUE C. All natural numbers are whole numbers TRUE D. All rational numbers are roots FALSE

Math
Calculate the perimeter of a rectangle whose length and breadth are 15m and 12m.find the cost of fencing the field at the rate of rs 25 per meter.

Math
How do you simplify radicals √162

math
what is the particular integral of xe^x??

math
If the variance of a light bulb is 400 and the mean lifetime of a light bulb is 600 hours. find the probablity of a light bulb lasting at most 622 hours

Math
A manufacturer uses a mold to make a part in the shape of a triangular prism. The dimensions of the part are shown below. Dimensions - a-14.4 mm b-8.25 mm c-7.5 mm h-2.1 mm Which estimate is closest to the volume in cubic millimeters in the part? A)625 B)125*** C)249 D)446

math
One winter day, the temperature was between –14°F and –3°F. Which inequality represents the range of temperatures, t, during that day?

Math
write the ratio as a fraction in lowest terms. Compare in inches 3 feet to 28 inches

math
what is the cost of nine ounces of cheese at $.80 per pound? can anyone solve it and explain me. thank you.

Math
Find the function Rule. x= -2 -1 0 1 2 y= 9 4 -1 -6 -11 It's hard for me to find the answer. Please help me!

math
what is the cost of nine ounces of cheese at $.80 per pound?please help 16 ounces = 1 pound 9 ounces = 0.5625 pounds

optional math
Seventh term of geometric series is 64 and sum of its 10 terms is 1023. Find its 15th term.

math
what is the cost of nine ounces of cheese at $.80 per pound?

Math
b+6

math
A school debate team has 4 girls and 6 boys. A total of 4 of the team members will be chosen to participate in the district debate. What is the probability that 2 girls and 2 boys will be selected? A.3/7 B.4/10 C.1/14 D.1/210

Math grade 6
3 rectangular metal blocks,8 cm long, 6 cm wide & 5 cm high, were placed in an empty rectangular glass tank.water was then poured in until it reached a height of 10 cm. Another 5 similar blocks were put into the water so that it reached the brim of the tank. Assuming there was...

math
the angles of a Pentagon are x°,2x°(x+30)°,(x+40)°,find x

math
2a/x-1-2x/x-2

math
A cyclist travel at an average speed of 150km/h.how many hours will it take him to travel in metres?

Math grade 2
Max,Noel, Cindy and Dan shared 36 candies equally. How many sweets did each if them get?

Math grade 2
There are 458 girls and 641 boys in a school hall. How many more boys than girls are there in the school hall?

Math grade 2
Mrs. Cruz baked 250 chocolate cookies.she baked 79 fewer strawberry cookies than chocolate cookies.how many strawberry cookies did she bake

Math
A. The cube roots of -27 are 3 B. The fourth roots of 81 are 3 C. 3√-1000=-√1000 D. 4√-16=-4√16 Which of the following statements are true 1. B and C only 2. A, B and C only 3. A,B,C and D 4. Some other combination of A, B, C and D

Math
Does anyone have the answers for the Penn Foster Math for Business and Finance proctored exam? 060497

Math
Scott is attempting to approximate the value of √110. The two whole numbers that √110 will fall between are?

Math
Simplify to positive exponents only 1. (X^4)^3 2. (X^-3)^-2 3. (4^-1)(3^-1) 4. (4ab^)(-5a^3b^2) 5. (5a^8b^-12)(-10a^3b^7)

Math
An electron weighs about 10^(-27) grams, and a raindrop weighs about 10^(-3). a raindrop is 24 times heavier than an electron. an electron is 24 times lighter than a raindrop. but idk what is the order of multitude difference.. or how to calculate it... i put 0 and 1 but its ...

Math
Use the Elimination Method to Solve for x and y 2x – y = -2 x + y = 5

math
a girl runs 250m in 12and a half seconds what is her average speed in metres per second

math
Janet Home went to Citizen Bank. she borrowed $7000 at a rate of 8%. The date of the loan was September 20. Janet hoped to repay the loan on January 20. Assuming the loan is based on ordinary interest, Janet will pay back how much interest on January 20?

math
an artist buys a rectangular piece of paper for his artwork. he cuts the piece of paper into 8 equal strips. he uses 6 strips of paper and keeps the rest. what fraction of the rectangular piece of paper did he use?

math
Rose uses 1/8 pound of beef for each taco she makes. if she wants to make 12 tacos, how much beef will she need

math
Trevor makes a scale drawing of a dog house that he has building. The skill he uses is 1 inch colon 4/10 feet. What is the actual area of the floor of the dog house if they dimensions on the scale drawing or 8 inches by 10 inches?

Math
A ramp has been rise of 1.5 m for every 12 m of run. What is the slope of the ramp?

Math
Barbara is tiling her craft room with square tiles. She wants 6/10 of the square tiles to be red. If she used 18 red tiles, how many square tiles will be used to cover the floor . Draw an area model to help solve

math
Mrs Smith uses 5 lemons to make 2/3 gallon lemonade. How many gallons of lemonade can Mrs Smith make with 15 lemons

Math
there are six different kinds of fruit pies in a baker. Each pie is the same size and is cut into 8 equal slices. Mr. Javier buys a slice of each pie. How many pies did Mr. Javier buy altogether

math
Solve using unit rates. A person on a moving sidewalk travels 24 feet in 8 seconds. The moving sidewalk has a length of 60 feet. How long will it take to move from one end to the other. The person will take ___ seconds to move one end to the other. I'm not sure how to do this...

Math
A man has three times as many quarters as half-dollars, four times as many dimes as quarters, and two more nickels than dimes. If he has $9.25, how many of each coin has he?

math
Father gave Sue \frac{1}{8} of his money, gave Henry \frac{1}{2} of the remainder and kept the rest. Calculate the following: a) The fraction that Henry got. b) What fraction of the money was left? Answer c) If father had $240.00 at the beginning, how much did father keep?

math
John scored a mean mark of 75 in 3 tests. If he scored 55 in another test, find his new mean.

Math
She ran 4 miles in 42 minutes. How many seconds did it take her to run 4 miles

Math
Six more than the product of 11 and chau's height

Math
1. There are 14 blue marbles, 8 red marbles, and 12 green marbles in a jar. What is the ratio of the total number of marbles to the number of red marbles? (1 point) 24:8 34:8 8:34 8:24 2. Which of the following ratios is equivalent to fifteen over twenty ? (1 point) 200 to 150...

math
When a certain number is divided by 16, it has a quotient of 18 and a remainder of 10. What is the number?

Math
A cell phone compnay offers its customers a monthly plan that cost $55 per month plus $0.08 for each minute used. If Marissa use 225 minutes in a month, how much will she pay for one month?

math
John scored a mean mark of 75 in 3 tests. If he scored 55 in another test, find his new mean.

math
The length of a rectangle is twice its breadth. If the perimeter is 42cm, find: 1) the length 2) the breath

math 1
you have 28 coins that are all nickles and dimes. the value of the coins is $2.05. Find the amount of nickles and dimes that you have.

go math 5 gr
ellen needs to buy 180 inches of ribbon to wrap a large present. the store sells ribbons only in whole yards. how many yards does ellen need to buy to have enough ribbon?

applications of proportion math
Piper is paid an hourly rate plus 16% commission on everything he sells. One week, he was paid $365 for working 20 hours and selling $1500 worth of camera equipment. What is his hourly rate? How do I set this up?

MATH
the 40 term of an ap is 50 it frist term if it commondiff is 15 what term of the ap give 65

Math
In a square, one pair of opposite sides was made 50% longer and the other pair of opposite sides was made 50% shorter. What percent of the square’s area is the area of the new rectangle? What percentage of the square’s perimeter is the perimeter of the new rectangle?

Math
Which amount is larger and by how much? A positive number a or the same number a decreased by 50% and then increased by 50% of the result?

Math
Which amount is larger and by how much? 600 or 600 decreased by 20% and then increased by 20% of the result?

math
5. 4, 12, 36, 108, . . . A. 304, 912, 2,736 B. 324, 972, 2,916 C. 354, 1,062, 3,186 D. 332, 996, 2,988

Math
Jody has a rectangular piece of fabric 7/8 yard long and 4/5 yard wide. A. What is the Área of the piece of fabric? B. Jody decides to share the piece of fabric equally with her friend. What is the área of the piece of fabric each person gets? PLEASE HELP MEEE!!

math neeeeed help plez help
trapezoid ABCD is congruent to trapezoid EFGH. Which statement is true. A- B= 15cm D-C 9cm A. side EF is 15cm B. side GH is 9cm C. side EF is 9cm D. the height of trapezoid EFGH is 9cm

math
A triangle has a base of 11 inches and a height of 8 inches. What is the area of the triangle?

MATH help me pls :D
Find the length of the missing leg of a right triangle given a leg of length 15 and a hypotenuse of length 17. Leave your answer in simplest radical form.

Math
A balloon filled with helium is released from a height of 6 feet. The balloon rises at a constant rate of 3 feet per second. Which equation represents the height of the balloon (y), x seconds after it was released. y = 3x + 6 y = 6x + 3 x = 3y + 6 x = 6y + 3 <--? Using your...

Math
Find the discriminant for the quadratic equation f(x) = 5x^2 - 2x + 7 and describe the nature of the roots. discriminant is 144, one real root discriminant is -136, two complex roots <--? discriminant is -136, one complex root discriminant is 144, two real roots If a ...

math
your cellphone plan costs $24.99 per month plus $0.11 for each text message you send or receive. you have at most $28 to spend on your cellphone bill. what is the maximum number of text messages that you can send or receive next month

Math
I'm not sure how to find the function for this graph. X|Y 0|5 1|8 2|11 3|14 Can this be explained?

Math
Simplify tell me how you do it (-5^4y^5)(2x^-2y^5)

Math
1. Estimate The Value Of (Square Root 52) to the nearest whole number A. 9 B. 8 C. 7~~~ D. 6 2. Identify all the sets to which the number 3.1214122144 Belongs A. Rational B. Irrational~~~ C. integer, Rational D. Whole Number, integer, rational 3. Which Of These Is Rational A. ...

Math 10
Change all these numbers to entire radicals in order to compare them. Then write them from smallest to largest in their original form. 9T2, 2T6,8T3,4T5,6T2 *pretend the T is a square root sign

Math Need Help!!
Which Number Is A Perfect Square? A. 32~~~~ B. 144 C. 1000 D. 36000

math
The position of a bucket falling down a well can be represented by the function h(t)=-16t^{2} where t is time in seconds and h(t) is measured in feet. Based on this function, what is the velocity of the bucket after it has fallen for 4 seconds?

Math,science
The 5th term of an arithmetic progression is 23 and the 12th term is 37.find the third term and common different

Math
Ramu is fourth times as ola as hi daughter after sixteen year he will be twice as old as his .Find his daughter present age

MATH
IF A:B:C = 2:3:4, WHAT WILL BE THE VALUE OF A/B:B/C:C/A = ?

Math
If the diameter of a circular pond is 50 m and the width is 2 m then what is the area of the pathway

Math
Help me please. Hello I am having a hard the with finding square roots can someone please give me some resources or a step by step instruction to follow. Thank you!!!

Math (again) - ASAP please
The scatter plot below shows the profit earned each month by a new company over the first year of operation. h-t-t-p-s-: //cornerstonetx.ignitiaschools.-c-o-m/me​dia/g_alg01_ccss_2016/3/img_alg1u03l12_1​3.-g-i-f The owner writes a line of best fit equation, shown ...

Math - ASAP Please
(Slope-Intercept Form) Which of the following lines has a slope of -1/2? A) x + 2y = 0 B) x - 2y = 0 C) -x + 2y = 0

Math geometry
1) The base angles of an isosceles triangle are (50-x)^6 and (30x-12)^6 what is the vertex angle? 2) The area of a trapezoid is 52cm^2 if it's bases are 8 cm apart find the sum of their heights 3) What is the area of a circle inscribed inside an equilateral triangle whose area...

math
A bottle of juice concentrate gives the mixing ratio of concentrate to water as 1:5. How much water should be mixed with 2 cups of concentrate?

Math
1 pt) Consider the function f(x), for which f(0)=4 and f′(0)=−6. Find h′(0) for the function h(x)=1/f(x). h′(0) =

Math
One hour after x milligrams of a drug are given to a person, the change in body temperature T(x) (in degrees fahrenheit) is given by the function T(x)=x^2(1−x/3). Further, the rate T′(x) at which T changes with respect to the size of the dosage, x, is called the ...

Math
f(x)=x^9h(x) h(−1)=5 h′(−1)=8 Calculate f′(−1).

Math
Suppose that f(x)=6x^−4+9x^−2. Evaluate each of the following: f'(3)= f'(-1)

Math
For what values of x is the tangent line of the graph of f(x)=2x^3−12x^2+19x+0 parallel to the line y=1x+0.7 ? Enter the x values in order, smallest first, to 4 places of accuracy:

math
A restaurant offers a lunch special where you can choose any 3 of a total of 9 dishes. How many different combinations are possible?

math
Find the area of a circle with center (-3, -4) that passes through the point (5, 2). First use the distance formula to find the radius of the circle. Use π = 3.14. ~ I did the distance formula and got 28 now i just dont know what to do after that please guide me

Math
A soup pot has a capacity of 6,000 milliliters. How many liters does the pot hold. 0.6 liters 6 liters 60 liters 600 liters I think it is 6 liters. Please help. :)

word problem, please
Joe has scored 84, 89, and 90 on his first three exams in his math class. If the standard 70,80,90 scale is used for grades and the exams are equally weighted, what must he score on the final exam, f, in order to a) Get a C average on exams? f b) Get a B average on exams? f c...

math NEED HELP ASAP
The Royal Fruit Company produces two types of fruit drinks. The first type is 65% pure fruit juice, and the second type is 90% pure fruit juice. The company is attempting to produce a fruit drink that contains 75% pure fruit juice. How many pints of each of the two existing ...

Math
The Gonzalez family wants to section off a triangular area to be used for raising chickens. They have three sections of fencing measuring 27 feet,33 feet, and 60 feet. Can the family create a triangular area using these three lengths? Explain your answer in complete sentence.

math
A chef is going to use a mixture of two brands of Italian dressing. The first brand contains 6% vinegar, and the second brand contains 11% vinegar. The chef wants to make 250 milliliters of a dressing that is 9% vinegar. How much of each brand should she use?

Math
A group of students were asked to select their preferred breakfast drink from among coffee, tea, and orange juice. The results of the survey are shown in the table along with information about whether the students are in high school (HS) or in college (C). Create a two-way ...

Math
Find the correct end behavior diagram for the given function. f(x)= -x^5-3x^3-6x+7

word problem, Im lost on how to set this up
Joe has scored 84, 89, and 90 on his first three exams in his math class. If the standard 70,80,90 scale is used for grades and the exams are equally weighted, what must he score on the final exam, f, in order to a) Get a C average on exams? f b) Get a B average on exams? f c...

math
The annual cost of a gym membership can be represented by the function C(t)=300-5t, where t is the number of years that one has belonged to the gym. If Jeffrey has been a member for 5 years, what is the total amount of money that he has paid to the gym over the past 5 years. I...

Math
1. The variables x and y vary directly. When x is 3, y is 6. Find x when y = 2/3. 2. The force acting on an object varies directly with its acceleration. A force of 25 newtons accelerates an object at 1.25 m/s. What is the acceleration of a 35 newton force? Please help this ...

Math
Rewrite the expression in terms of the first power of the cosine sin^8(x) how do i do this plz help !!

Math
There is a population of 6.848 billion people. There are roughly 57.9 million square miles of land on Earth, of which about 22% are favorbale for agriculture. Round answer to the nearest person. There are ___ people/ mile^2 of farmable land. I DIVIDED 6.848BILL / 57.9MILL & ...

math
1.The cost of a telephone call from Wilsonto East Meadow is $0,60 for the first three minutes plus $0.17 for each additional minute. What is the greatest number of whole minutes of a call if the cost cannot exceed $2.50? 2.When John bought his new computer, he purchased an ...

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