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Math

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Math
1. 85 is 40 of what number? A. 212.5 B. 47.1 C. 34 D. 45 2. Find the commission on a $1,250 sale with a commission rate of 5%. A. $62.50 B. $6.25 C. $75.00 D. $125.00 3. Ben bought a desk for $249.99. The sale tax rate was 6.25%. How much did Ben pay for the desk? Round your ...

math
book which costs $12. He has saved one third of the amount he needs. How much money does he still need to save?

math
write triangular formulas to find numbers between 10 and 30

math
decreased 20 by double the square of -4

Math
Three fourth of the number of girls in a school is equal to half of the number of the boys.if the school has 1420 pupils.how many of them are boys.

Math
The pitch of a screw is the distance between its threads. With each complete rotation, the screw goes in or out a distance equal to its pitch. If the pitch of a screw is 1/17 inch, how far will it go into a piece of oak when it is turned 14 complete rotations clockwise?

math
Number of different words that can be formed using all the letters of the word DEEPMALA if two vowels are together and the other two are also together but separated from the first two

Math
Winnies friend marco guessed that her riddle was about the number 79 Why can't 79 be the answer to Winnies riddle

Math
Brian is baking cookies for Zachary's birthday party if an Bryan uses 1 1/4 cups of flour for every 10 cookies if Brian needs to make 50 cookies and he have 4 cups of flour how much more flower Brian need to finish baking

math
Graph the equation y = 1 + 2 sin x. This curve crosses the x-axis in several places. Identify all the x-intercepts with 0 < x < 360.

Math
Mr. Dinkelspiel bought $32.56 worth of stamps. He bought 20 more 19-cent stamps than 50-cent stamps. He bought twice as many 32-cent stamps as 19- cent stamps. How many of each kind did he buy?

Math
Mr. Kwon has just enough money to buy only 20 mangoes or only 30 oranges. If he wants to buy equal numbers of mangoes and oranges together, how many of each type can he buy with the money?

Math
True or false. Explain why 4^x/4 = 1^x 100(1.06)^x = 106^x

Math
Solve for the missing variable. 4^x =2 Example: 3^2n+1 = 3^4 Cross out both the threes 2n+1 =4 Subtract 1 2n=3 n=3/2

Math
The temperature increased 2° per hour. If the temperature rose 15°, how many hours had the temperature been rising?

Math
The manager of a store orders canoes that cost $400 and sells them for 828. what percentage is the mark-up?

Math
Emily walk that a rate of 3 1/2 miles per hour for one and a 1 1/3 hours how far did she walk.

Math
each block in Toms neighborhood is two-thirds of a mile long. if he walks four and a half blocks how far does he walk.

MATH
Vail Ski Shop received a $1,201 invoice dated July 8 with 2/10, 1/15, n/60 terms. On July 22, Vail sent a $485 partial payment. (If more than one discount, assume date of last discount) a. What credit should Vail receive? Credit $ b. What is Vail’s outstanding balance? ...

Math
The two stadiums with the largest capacities are Marshfield Stadium and Bowden Stadium. The capacity of Marshfield Stadium exceeds that of Bowden by 7,341 people. Combined, the two stadiums have a capacity of​ 210,355 people. Find the capacity of each stadium. Marshfield ...

Math
When wrapping a birthday gift in the shape of a rectangular prism for his mother, Kenji adds an additional 2.5 square feet of gift wrap to allow for overlap.How many square feet of gift wrap will Kenji use to wrap a gift 3.5 feet long, 18 inches wide, and 2 feet high? In this ...

Math
For traffic that flows on a highway, the headway is the average time between vehicles. On four-lane highways, the probability P (as a decimal) that the headway is at least t seconds when there are 500 vehicles per hour traveling one way is given is P = 0.87t Under these ...

Math
Joan is 15 years older than her brother Bill.Eight years from now,Joan will be twice as old as Bill.How old is each at this time?

Business math
No payments were made on a $3500 loan during its three-year term. What was the annually compounded nominal interest rate on the loan if the amount owed at the end of the term was $4298.73? (Round your answer to two decimal places.)

4th grade math
1. After saving up for while, Melanie saved $12 of her allowance. She decided to spend 1/3 of that money at the book fair. the book she wanted was $5. Did she bring enough money to buy the $5 book. Draw a model to justify your answer. Answer - 12 x 1/3 = 12/3 =4. So she doesn'...

math
the ratio of corresponding sides of two similar triangles is 2:3 ,if the longer side is 5cm ,calculate the length of the shorter side

Math
(−5)∙(3b−2a)−6(a+2b)

math
The ratio of corresponding sides of two similar triangles is 2:3 ,if the longer side is 5cm ,calculate the length of the shorter side

math
A tower casts a shadow of 16m at the same time that a 2.5m post cast a shadow of 4m. How high is the tower?

Math (Sinking fund)
Kenny opened a sinking fund account and hopes to accumulate $16,000 in 25 months. The yearly interest rate is 7.8%. How much should he invest per month to reach his goal? Would the answer be 591.58?

Math
Sarah can afford $255 per month for 6 years on a car payment, what is the price of a car that she can afford at this time? Assume an annual interest rate of 8%. I do not remember how to solve for problems like this one.

math
A trader has shs 250,000,he buys boxes of books at shs 25000 each and boxes of candles at shs 10,000 each,the money spent on books is atleast shs50000 morethan that spent on candles,he buys atleast 5boxes of books and atleast 7boxes of candles.Write down 4 inequalities to ...

Math
Building A is 40m high.The angle of depression of the top of Building B from the top of A is 26 degrees.if the two buildings are 10m apart,find the height of building B

math
Which of the following fractions is in its simplest form? 16/4 7/8 100/35 3/27

Math
A uniform beam AB of mass 84.78 kg rest against the smooth wall at A and the rough horizontal floor at B. The coefficient of static friction between the beam and the horizontal floor is U=0.249. Calculate the magnitude of the horizontal force P, in N, such that the end B has ...

Math / Physics
A block P of mass 3.56 kg is lying on a rough inclined plane of angle θ = 0.73 radians. Block P is attached via a model string that passes over a model pulley to a second block Q of unknown mass M kg hanging vertically as shown in diagram. The coefficient of static friction ...

math
If ab = 8 and a^2+b^2=16, then what is the value of (a+b)^2?

Math
50 points decreased by 26% is__points.

Math
8 meters increased by 25% is__meters. I got 32.

Math
Use the addition property​ and/or the multiplication properties to find a and b. If -4<x<5 then a<4x+5<b .

math
the minute hand of a clock is 10 cm long. through what exact distance does the tip move between 12p and 12:20 pm

Math
Use the percent​ formula, A=PB: A is Percent of B 30% of what number of 87%. Need help.

Math
When seven times a number is decreased by 8, the result is 55. What is the number. Help me to understand.

Math
i am the smallest 2-digit number. the difference between my two digits is 3 did you know me?

Math (Stats)
In order to predict y-values using the equation of a regression line, what must be true about the correlation coefficient of the variables? A. The correlation between variables must be an x-value of a point on the graph. B. The correlation between variables must be significant...

math
a company issues 150000 shares to three inventors, of the company declares a dividend of 35 cents per share, how much in dollars will each investor receive?

Math
The length of a rectangular field is 300 m and it's breadth is 2/3 its length. If a road of width 10 m is built along the inner wall of the field, what is the area of the road?

math
sum of frist 5 natural number

Math,quadratic equation
x^2-5x=5

math
From a group of 65 students who failed Business Mathematics in 2010 we found the following reasons: 35 for not attending class (C); 30 for not doing homework (H) and 25 for not visiting tutors (T). Fourteen did not attend class and did not visit tutors; 15 did not visit tutors...

Math
The length of a rectangular field is 300 m and it's breadth is 2/3 its length. If a road of width 10 m is built along the inner wall of the field, what is the area of the road?

Math
The perimeter of a rectangle is 200 m. If one of its sides is longer than the other side by 16 m, find the length of each of the sides

math
at a party there is an equal number of boys and girls. One quarter of the boys have part-time jobs. Twice as many of the girls have part - time jobs. Altogether 30 of those present are without part-time jobs. Let x be the number of boys in the party?

math
a mobile phone company charge for a local call such that $0.5 in the first minute and $0.3 every minute there after. Find a formula for the total amount charged for call lasting in x minutes

Math
The perimeter of a rectangle is 200 m. If one of its sides is longer than the other side by 16 m, find the length of each of the sides

math
if A=5^3*7^3*3^4, find the smallest number A must be multiplied to get a perfect square

Math
If 6th term of a GP is 9375 and its 4th term is 375.find its 9th term?

Math
Graph the function Identify the vertex and axis of symmetry f(x)=2x^2 + 4x +1 please explain steps I need to do. I keep looking at notes and just can't grasp any of it. Failing math not sure how to start again. I think I missed something major.

math
the ratio of dogs to cats in the neighborhood was 3 to 7. If a total of 210 dogs and cats were in the neighborhood, how many cats were there?

Math
Similar polygons are _____ the same size. 1.(always) 2.sometimes 3.never

Math,science,social,Hindi,english
A person weighing 50kg runs up a hill raising himself vertically 10m in 20sec. Calculate the power of the person.

Math
F(x) = -x^2 - x +2 graph function identify the vertex and axis of symmerty. Can some one explain the steps to get answer? I know I need to find the points on a graph just so confused

MATH
The grocery store parking lot is shaped like a parallelogram. Mr.Campbell is paving the parking lot.The area of the parking lot is 6x^2-3x-3m^2. what are the measures of the height and base of the parking lot. i did 3(2x^2-x-m^2) as my first step but now i am confused.

Math
Please Help!!!! I do not understand and if someone could help that would be great! Thanks !! Problem #1: Find the total amount if you deposit $500 at a rate of 5% for two years using simple interest. Year 1 Year 2 Problem #2: Find the total amount if you deposit $300 at a rate...

Math
The empty gas tank of the truck needs to be completely filled. The tank is shaped like a cylinder that is 4 feet long with a diameter of 2.4 feet. Suppose gas is poured into the tank at a rate of 1.7 thirds of a foot per minute. How many minutes does it take to fill the empty ...

Math
Abigail and Bailey wash dogs to make extra money. Abigail can wash all of the dogs in 5 hours. Bailey can wash all the dogs in 3 hours. How long will it take them to wash the dogs if they work together?

Math
Suppose that y varies inversely with x. Write a function that models the inverse function. x = 25 when y = 5

math
Consider these two tables for Line 1 and Line 2. Line 1: x | y 0 1 3 4 Line 2: x | y 0 0 2 4 (a) Graph Line 1 (already did this) (b) Graph Line 2 on the same graph (already did this) (c) What is the solution to the system? Use graphing to solve. Explain your answer.

Accelerated Math
The cost of a student ticket to the school play is $7. Write an equation that correctly relates the total cost, c, for a particular number, s, of student tickets purchased. Identify the independent and dependent variables. (3 points)

Math
The lock is numbered from 0-49. Each combination uses a right,left, right pattern. Find the total # of possible combinations. I know for a fact it equals 125000 but how do you get that????

Math
which of the following is a diagram of XY

Math
Why does refraction occur?

math
sector 2 on a spinner is a 90 digrese (sorry for spelling) sector. if the spinner is spun twice, what is the probability that it will stop in sector 2 both times?

Math
Find the area of a parallelogram:base 5 cm height 20cm

Math
can some1 Correct me pls A class of 24 students was asked to identify a team sport in which they have participated. Their responses are shown in the line plot. a. How many responses are recorded in the line plot? b. What is the total number of students polled? c. Give a ...

Math
Marcus bake loaf of bread of banana bread for a party he cut the loaf into equal size . At the end of the party there were 6 pieces left . Explain how you can find the number of pieces in the whole loaf if Marcus told 1/3 of the loaf was left

math
simplify (8*10^7)(7*10^4) i think it's 5.6*10^10 simplify (3*10^6)(8*10^-4) i think it's 2.4*10^3 Astronomers measure large distances in light-years. One light-year 5.88*10^12 mi Star is 9.8*10^1 light years from Earth in scientific notation how many miles I think it's 5.88*10...

math
the scale 1;20000.calculat actual distance between two points which are 2.7 cm apar map..give answer in koilometers

Math
I have been told to find the volume of 4 containers then the worksheet asked. "Now that you have completed your research, which container would you recommend using for each portion size that a customer might buy? Why is this size the best choice" I am confused by this problem ...

Math
PLEASE HELP ME I NEED ANSWERS FOR THE ASSESMENT METRIC UNITS

math
A customer purchased a jacket for $65. This was 80% of the original price.

math
The number of employees at a plant continually fluctuates. One month started at 568. Then 102 employees were hired, and the next 57 employees were displaced. If the plant then plans to add 10% more employees, how many will it have?

math
The value of an investment A (in dollars) after t years is given by the function A(t) = A0ekt . If it takes 10 years for an investment of $1,000 to triple, how many years will it take for the investment to be $9,000? Simplify your answer completely. I am very confused. So ...

math
Please help, 1) How do you solve 2017^2017 without a calculator? 2) What is the last digit of the solution to this problem: 2017^(2017^2017)? Thank you!

Math
Find the volume of a square pyramid with a base length of 9cm and a height of 4cm

math
walter deposits $5,000 in a bank account that pays 9% simple interest. If he doesn't change the principal, what will his balance be in 4 years?.

math
if you know the radius of a circle how can you find its diameter?

Math
Write two different numbers that when rounded to the nearest tenth will give you 18.3

Math
√-3 is integer

math
After sales tax is added the total cost of 58.00 dollars purchade is 61.48 dollars What is the sales tax rate on the purchase?

Math
If I input 25 and I get an output of January what's the function rule

Math
Ann started reading at 4:00 PM and finished at 4:20 PM through what fraction of a circle did the minute hand turn

Math
Instead of using the mean, how could you use the median to explain that ages are older?

Math
A commuter plane flies from City A to City B, a distance of 90 mi due north. Due to bad weather, the plane is redirected at take-off to a heading N 60° W (60° west of north). After flying 57 mi, the plane is directed to turn northeast and fly directly toward City B. To the ...

Math
Kayla has 3 yards of ribbon. She wants to cut the ribbon into pieces that are 1/4 yard long. How many pieces of ribbon will Kayla have

Math
How do I compare ages using mean and median. For the first group 12 was both the mean and the median while for the second group, 16 was the mean while 18.5 was the median.

Math
A landscape architect is designing a new park for the city.His design must include the following types of figures. Exactly 4 boundary segments Exactly 1 pair of boundary segments must be parallel The intersection of at least two of the boundary segments must form an obtuse ...

Math
Half of a circle is shaded. The diameter is 32cm. Calculate the area of the shaded region.

Math
Tracy needs 2 4/5 pounds of clay, to make 1 scorcher. How many can she make if she has to make 14 pounds?

math
a cube with side length 4 cm. is 25% full of sand. What is the volume of the sand?

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