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Math

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Recent Math Questions

math
The table shows the height of a plant as it grows. What equation in point-slope form gives the plant’s height at any time? Let y stand for the height of the plant in cm and let x stand for the time in months. A. y – 15 = (x – 3) B. y – 15 = 5(x – 3) C. y – 3 = (x...

Math
The drama teacher is making costumes for the school play. Each costume requires 1 and 2/3 yards of material and 3/4 of a yard of ribbon. The material costs $2.99 per yard and the ribbon costs 59 cents per yard. What is the approximate cost for 2 costumes A. $11.95 B. $5.65 C...

math
tatiana is planting a gadern with an area of 25 square feet. what could the length and width of the garden be?

math
-4+7x+4=8 direct vriation

math
Tom's t-shirts were either red, yellow or green. 20% of the t-shirts were red, 50% were green and the the remaining 27 were yellow. A)hoow many -tshirts does he have altogether how many t-shirts were red how many more green t-shirts has he than yellow t-shirts

math
The price of a U.S. stamp is $0.44. That price is expected to rise by 4.5% in January. What will be the price of a U.S. stamp come January? Round the answer to the nearest cent.

math
A bag contains 2 white marbles amd 3 green marbles. Two marbles are drawn at random, one after the other. The first marble is replaced before the second one is drawn. What is the probability that the first marble is green and second one is white?

6 grade math
I need help with these two problems if someone can explain the steps thank you Use a generic rectangle to find each product Problem 1: 3 and 1/6 × 2 and 1/2 Problem 2: 1 and 1/3 × 1 and 1/6

Math related rates
Water is poured into a conical paper cup at the rate of 3/2 in3/sec (similar to Example 4 in Section 3.7). If the cup is 6 inches tall and the top has a radius of 4 inches, how fast is the water level rising when the water is 2 inches deep? I got (81)/(128*3.14) but it keeps ...

Math Estimating products
Which Benchmark Fraction could you use to estimate the product of 36 x 11/16 ? PLEASE HELP ME ANSWER IM STUCK IDK

Math
111.0 cubic ft to cubic inches. please...455.9 cubic inches in a basket ball...how many basket balls..Can you fit in 111.0 cu ft...Any help!!!!

math algebra, please check my answers
1) The slope of a line is 3/4, the line passes through the point(4,7). Where does the line intersect the y-axis? 2) If x/y=z, and x*y*a=0, which of the following variables have to=0? Assume each of the variables is = to a different number. 3) simplify this expression (2x*2+4x-...

Math
Six of the classes at your school are going to the pool for swimming party that means 125 students need to get on buses in each bus holds 48 students how many buses with the school need?

math
(Systems) how do I solve 5x+3y=2 and x+2y=6 using substition This is what I did X+2y=6 eq.1 5x+3y=2 eq.2 X=-3y/5 Sub(x=-3y/5) into eq.1 -3y/5 + 2y=6 7/5y=6 y=30/7 Sub(y=30/7) into eq.2 5x+3(30/7)=3 5x+90/7=3 5x=-69/7 x= -68/35 The answer I got was (-68/35, 30/7) but I know it'...

Math
gapeach69 The population of a city is 45,000 and decreases 2% each year. If the trend continues, what will the population be after 15 yrs? A) about 14,746**** B) about 33,236 C) about 41,000 D) about 47,504

Math
How many triangular prisms does it take to make one triangular pyramid?

Math
Georgia has 5 yards of ribbon. She needs 1/3 yard to make one bow. How many bows can Georgia make?

math
If the wages of 12 men for 17 days is Rs.34000, find the approximate wages of 16 men for 18 days.

math
On the sphere x^2+y^2+z^2 = 13^2, there are many great circles that intersect at (3, 4, 12). Find coordinates for the other point where these circles all intersect.

Math
A rectangle or garden bed is 3 2/3' x 4.5'. Bricks that are half a foot wide are being laid inside the perimeter of the garden. what is the area of the garden bed inside the brick edging?

math
Todd bought 1 1/2 yards of fabric. Each pillow uses 3/8 yard of fabric. How many pillows can Todd make?

Math
Two integers differ by four, with the property that the sum of their reciprocals is the same as 14 times the product of their reciprocals. What are the two integers?

Math
If you bike for 3 hours at 10 mph and then walk for 1 hour at 2 mph, what would be your average speed?

Math
which has the greater area: a square with a side that measures 7 meters, or a 6-by-8 meter rectangle?

Math
The length of a rectangle is 8 feet more than its width. If the width is increased by 4 feet and the length is decreased by 5 feet, the area will remain the same. Find the dimensions of the original rectangle.

Math
Melanie needs 75% of sugar solution to conduct an experiment.However she only has 40% and90% sugar solution available .how much each solution must she use in order to obtain 60L of the75% of solution? Please answer now , it's very important!!

Math
Why is it necessary to rename 4 1/4 if you subtract 3/4 from it

Math
How to do the formula for solving the area of a circle with a radius of 88.37733888387438

math
BUY 6 APPLES AND GET 1 FREE APPLES COST $4.00 EACH Sahida purchased $120 worth of apples. a) How much free apples did she get? b) How many apples did she get altogether? c) Sahida's friends also bought the apples on sale. She received 21 apples altogether, how much money did ...

math
cos(arcsin(x)+arctan(x))

math
This question is suppose to be simple but i keep getting it wrong Triangle LMN has vertices L(1, 6), M(6, 3) and N(5, 7). What type of triangle is Triangle LMN? Select all that apply Scalene triangle Right triangle Isosceles triangle Equilateral triangle Obtuse triangle Acute ...

math
Simplify the expression 23w^3-5w^2x+8wx^2-8w^3-13wx^2+30w^2x Group like terms so: 23w^3-8w^3= 15w^3 -5w^2x+30w^2x= 25w^2x 8wx^2-13wx^2 = -5wx^2 The final answer I got is: 15w^3+25w^2x-5wx^25wx Is this right? I had to simplify the expression.

math
At a party Juna bought 8litres of lemonade. there were 24 people at the party and each drank 30ml of lemonade: 1)how much lemonade, in litres was consumed? 2) how much lemonade was left over?

math
The data shown below shows the number of students in a school. Std 1 - 25 students std 2 - 20 students std 3 - 18 students std 4 - 17 students, If the school has 27 (2) seaters to seat all the students in the classes, how many (2) seaters are needed to seat all the students...

math
The data shown below shows the number of students in a school. Std 1 - 25 students std 2 - 20 students std 3 - 18 students std 4 - 17 students, If the school has 27 (2) seaters to seat all the students in the classes, how many (2) seaters are needed to seat all the students?

math
In a town of 5,000 people 30% are children.If 60% of the children are boys, how many girls are there in the town.

Math
The probabilities for randomly picking out marbles from a jar are given below. Green: 0.3 Blue: 0.2 Red: 0.2 Yellow: 0.3 What is the probability of picking out a marble that is not green and not yellow?

math
which solid figure has the most vertices A, triangular prism , A , rectangular prism, C, rectangular pyramid ,or,D, triangular pyramid

Math (Business)
Find the value of the ordinary annuity at the end of the indicated time period. The payment​ R, frequency of deposits m​ (which is the same as the frequency of​ compounding), annual interest rate​ r, and time period t are given. amount ​1,000​; quarterly​; 6.2%, ...

Math
Demostrate how Pythagoras came up with his theory, using a right angle triangle with side measurements of: a= 5cm and b= 4cm. Explain your thinking.

Math
The hypotenuse of a right triangle is √61. What whole-number lengths of legs can this triangle have? Explain.

Math
A rectangle has the area of 25 square feet. A similar rectangle has an area of 240 square feet. What is the ratio of the area of these similiar triangles?

Math
The scale on a map is 1 in: 4 miles. Find the actual distance in miles for each length on the map. 1/ 2 in. Answer: d=8 2/ 7.2 in. Answer: d=288 3/ 3.5 in. Answer: d=140 4/ 11 in. Answer: 44 Write the ratio as a scale in simplest form. 3cm\15cm Answer: 1/5 or 1:5 71/5 in./30 ...

Math
There are two triangles for which A=30∘,a=5,and b=8 The larger one has c= ? and the smaller one has c= ?

Math 7
find the surface area for the given cylinder. I have to use 3.14 and round to the nearest whole number. The radius is 6ft and the height is 20 ft. A. 180 ft2 B. 720 ft2 ** C. 433 ft2 D. 135 ft2

math
A triangle has an angle that measures 40°. The other two angles are in a ratio of 11:17. What are the measures of those two angles?

Math
A ship is sailing due north. At a certain point the bearing of a lighthouse is N 40∘E and the distance is 15.5. After a while, the captain notices that the bearing of the lighthouse is now S 54.9∘E. How far did the ship travel between the two observations of the lighthouse.

Math
The value of the expression (6x^3y)(8x^2y^4) for x = 2 and y= -1 is?

Math
compare and contrast spiral and elliptical galaxies. (make at least 2 comparisons.)

Math plz help
Put these smallest to largest 1. -3√2 2. √9 3. 2√3 4. -2√7

Math
When 3^4√2 written as an entire radical 4√n= ?

Math
When 3√y^7/√y3 is simplified and written in the form of y^a/b, the values of a and b respectively are? ___ and ____

Math
1. The value of 7^3√32 rounded to the nearest tenth is?

Math
The percent P of a radioactive substance remaining after time t weeks is given by the formula p = 100.(0.5)^1/20 the percent to the nearest whole number of radioactive substance remaining after 30 weeks is?

Math
Triangle ABC has coordinates A(-4,-2), B(0,-2), and C(-4,1). Triangle DEF has coordinates D(3,6), E(3,2), and F(0,2). Use coordinate geometry to determine if these two triangles are congruent. If they are not congruent, state the reason. A: The triangles are congruent. B: The ...

math
An orchard produces 720 liters of maple syrup per year. How many kiloliters of maple syrup does the orchard produce in a year?

thinking works math
Part 'A' answer: Show all of your calculations and label your answer. *

Math
The pizza shop offers the top being shown below how many different three topping pizzas can you make pepperoni mushrooms sausage onion ham 6 10 4* 5

math
An orchard produces 720 liters of maple syrup per year. How many kiloliters of maple syrup does the orchard produce in a year?

Math
I need to get which property of multi-plication this person did. the problem is 2(3.45+5.7)=.402 but I got 18.3. HOW?!??!?! I did my math I did every property I could think of/

Math
There is a circular Park in front of a shopping mall whose radius is 20m. There is a gravel path of uniform width the 2m around the park. Find :A person take 5 round of the circular Park. What distance he cover.

Math
Compare using,<,>,= -15_____-21 Which number is greater than -24 -42 -27 -16 -32

Math
Does the relation in the table represent direct variation, inverse variation, or neither? If it is direct or inverse variation, write an equation to represent the relation. Explain your answer. x; 5,10,15,20 y; 2,1 ,2/3,1/2 Can someone please help me with this? I really don't ...

Math
A car travels for three hours at 80km/hour. After three hours, it turns right. It drives 60km/hour for three hours. How many km has it traveled? What was the average speed of the car?

Math
Breadth of a rectangular field is 300 meters and the perimeter is 800 meters ,find the length

Math
Why is log(base 1/a)x a reflection over the y axis?

Need help in Math(algebra)
1) The slope of a line is 3/4, the line passes through the point(4,7). Where does the line intersect the y-axis? 2) If x/y=z, and x*y*a=0, which of the following variables have to=0? Assume each of the variables is = to a different number. 3) simplify this expression (2x*2+4x-...

math algebra
I posted my last question wrong. 1) The slope of a line is 3/4, the line passes through the point(4,7). Where does the line intersect the y-axis? 2) If x/y=z, and x*y*a=0, which of the following variables have to=0? Assume each of the variables is = to a different number. 3) ...

SAT Math
The line passes through points (4,7) and (-5,-5), where the line intersects the y axis, what is the slope? 1/3 or 2/3 or 3/2 or 1/2

math
it cost a company 15,000 per day to operate a plant no matter how much product they produce. in addition, it cost 75 per unit produced. write an equation that represents the total cost to operate the plant each day. use the variable x to represent the number of units produced...

math
A pair of dice is rolled. Find the probability of rolling ​a) a sum not more than 1010​, ​b) a sum not less than 77​, ​c) a sum between 33 and 77 ​(exclusive).

Math
What is the approximate circumference if diameter is of 23 feet

math
You new sales job offers you a choice of salary plans: a) 6% of all your sales; or b) a monthly salary of $1500 and 4% of all your sales. How much do you have to sell in order for the first plan to be equal to the second plan? Show how you would use one or more linear ...

Math
Five girls share nine feet of ribbon equally how many feet of ribbon does each student recieve?

Math
Four students share 6 oranges equally. How many oranges does each student get?

Math
Why is log1/a(x), a reflection over the x axis?

Math - Linear Approximation
Use a linear approximation to estimate the number (27.07)^(2/3)

Math
Jose decided to make a vegetable garden in his rectangular backyard. The garden will be 25 ft. long and 12 ft wide. how many feet of fencing material will he need to surround the garden with a fence?

Math
Find the area for the circle (use 3.1 for pi) Round to the nearest tenth The circles radius is 23 yd.. My answer is 1666

Math
Suppose a total of 3572 seats were sold for a performance.How many seats in the theater would be empty that evening. Explain how you found your answer

Math
At an animal shelter,there are 15 dogs, 12 cats, 3 snakes, and 3 parakeets. A.what percent of the number of cats is the number of dogs? B.what percent less parakeets are there than dogs? C.what percent less parakeets are there than dogs? D.which animal has 80% of the number of...

Math
Write each power as radical 1. 12^1/4 2. (-50)^5/3

Math
Jack broke apart 5 x 216 as (5 x 200) + (5 x 16)to multiply mentally.What strategy did Jack use

Math - implicit differentiation
Suppose 5x^2+2x+xy=2 and y(2)=−11. Find y′(2) by implicit differentiation.

Math
Write a story problem that can be represented with 1152÷24

math 1
6x + 8y=4 8x -3y=19 I did elimination. 82y=-82

math
Sam worked from 7:30am to 4:00pm from Monday to Friday. If he earns $24.00 per hour for the first 35 hours and time and a half for over time, calculate the following: a)The number of hours he works weekly. b) Regular time salary c) Overtime Salary d)Total Weekly Salary $Answer

math
The mass of a packet of wafers is 64 grams. In each packet there are 4 wafers. If the packets must be placed into a box that can hold a maximum of 3.2 kilograms, calculate: a) The mass of one wafer. b) The number of wafers that the box can hold.

Math Plz help ASAP
In football, a field goal is worth 3 points. Which function rule relates the number of field goals, f, and the number of points, p? A) f=3p B) p=3f C) 3+f D) p=3+f Which function rule is represented by the table? X[0,1,2,3 Y[3,5,7,9 A)y=x+3 B)y=x+6 C)y=2x+3 D)y=4x+1 Which ...

math 1
9x-4y=-3 8x-3y=-1

math
Fifteen oranges cost $6.00. a) How much will Anna have to pay for 32 oranges? b) How many oranges can she buy with $32.00?

math 1
6x+8y=4 8x-3y=19

math
The mass of a packet of wafers is 64 grams. In each packet there are 4 wafers. If the packets must be placed into a box that can hold a maximum of 3.2 kilograms, calculate: a) The mass of one wafer. b) The number of wafers that the box can hold.

math
Chris went to his friend Andrew’s birthday party. He travelled 0.55 the distance by bus and walked the rest. a) What fraction of the distance did Chris walk? b) If Chris walked a distance of 1.8km, how far from Andrew did he live? Answer km

Math grade 6
3rectangular 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
A roll of ribbon is cut into 28 pieces, each \frac{3}{4} m long. What was the TOTAL length of ribbon on the roll?

math
A circular pie was cut into 6 equal slices. Calculate the angle formed by each slice.

math
The container when 3/5 filled can hold 45 marbles. a) How many will it hold when filled? b) How many more marbles are needed to completely fill the container?

math 1
3x - 8y = -17 2x -7y = -18

math
Identify and give all the appropriate names for three different quadrilaterals or other geometric figures in this Navajo eye­ dazzler design.

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