Math

Recent Questions

math
The previous diagram represents a scale drawing of a hexagonal garden. The scale factor is 1 cm = 0.5 m. What is the area of the garden?

math
A parking lot space is in the shape of a rectangle. If the space has a length of 23 feet and a width of 12 feet, what is the area of the parking space?

math
the temperature decreases by 2 degrees celcius every hour for 8 hours. than 4 degrees celcius every hour for 3 hours. what is the overall change in temperature?

Math
A baker is decorating the top of around cake with cherries. The diameter of the cake is 9.5 inches. Each cherry is 0.75 inches in diameter. About how many cherries will the baker need to decorate the perimeter of the top of the cake?

Math
A skydiver jumped out of a plane and descended 0.66 miles in 1.5 minutes. What was the skydiver's average change of altitude per minute?

Math
The volume of a rectangular pyramid is 4,000 cubic feet. The area of the base is 40 square feet. What is the height of the pyramid?

Math
Jasmine paid $25 for two binders and one pack of pends. The pack of pens cost $5. What is an equation you can use to find the price of each binder? I came up with 2x+5=25. My math teacher wrote y=____x + _____.

math
Which is a better shape for an icecube; a cube, sphere, or cylinder? im thinking cube because then its harder for the sun to get on all sides of it, which would make it melt faster. Does that make any sense?

math
unit 2 lesson 10. three views of an object. pls help

math
I need help on unit 2 lesson 10. three views of an object. pls help

Math
For a field trip, a bus company charges a flat fee plus an additional fee per student. For 25 students, the total cost is $167.50. If there are 70 students, the total cost is $370.00. Write an equation that represents the total cost y of the field trip for x students. What ...

Math
Solve: ((3/n)-(2/m)) ------------------------ (9m^2)-(4n^2) ----------------- mn ----- AND / = fraction bars

Math
How are exponential growth and decay present in the real world? Give at least 2 examples for exponential growth and 2 examples of exponential decay.

Math please help !!!!!!!!
1. similar polygons are .... different shapes. 1.always 2.sometimes 3.never 2. how many lines of symmetry could an isosceles trapezoid have? 1. 0 2. 1 3. 2 4. 3 I'm from connexus and I'm taking the tools of geometry math test .

Math
Jackie buys a basket for $6, 2 pounds of apples for $3.50 per pound, and 2 pounds of oranges for $3.50 each per pound. The tax for the whole purchase is $1. Express the tax as a percentage.

Math
Find the constant of proportionality and the unit rate for the data in the table then write an equation to represent the relationship between time tea and distance D.

Math plz help fast
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*** ...

Math
Please help! Struggling on these few. Thank you :) 2. Which list has the numbers in order from least to greatest? 9.4 × 102, 4.9 × 102, 9.4 × 103 9.4 × 103, 4.9 × 102, 9.4 × 102 4.9 × 102, 9.4 × 102, 9.4 × 103 4.9 × 102, 9.4 × 103, 9.4 × 102 3. A company's ...

100th day of school work
If you made a stack of nickels 100 inches tall, how many nickels will you need????????????? ARRRRRRRR! Math is soooo hard! Especially without a calculator!

math
What is the phase shift of y=(3/4)(cos4x-3π)*

Math
If w is partly constant and partly varies directly as x and w=9 when x=4 w=27 when x= 16 find An equation connection x and w And (b) the value of w when x =8

MATH
does anybody know how 1.04(cosA)^2 + 0.2(cosA) -0.75 = 0 become (cosA)^2 + 0.192(cosA) - 0.721 = 0

Math
Which expression are equivalent to 5+4.2-(-3)? 5+(-4.2)-3 5-(-4.2)+3 5-4.2-3 5+(-4.2)-3

Algebra2
i need math help is there someone who can help me

Math
Use mathematical induction to prove the property for all positive integers n. A factor of (n^3+3n^2+2n) is 3.

Math
A pet store installs a new aquarium in your teacher's classroom. What is the volume of the aquarium? Sides: √3 ft, √6 ft, √5 ft

Math
What is the area of the rectangular billboard? Sides: 20√7 ft and 7√8 ft

Math
Which situation can be represented by the expression x plus negative 3? Choose all that apply. A.An elevator went down 3 floors. B.A person spent $3. C.A person added 3 books to the shelf. D.The temperature dropped 3 degrees. My Answers are B and C

math
Find the projection of the line 3x – y +2z – 1 = 0, x +2y – z = 2 on the plane 3x + 2y +z = 0.

math
1) If y=kx, where k is a constant, and y=128 when x=16, what is the value of y when x is increased by 25%? (I got 160?) 2) Aaron calculates using a certain foot and line spacing, that each page of a typed document contains at least 240 words and at most 260 words. What is the ...

Math
There are 20 pink balloons in a bunch of 100. 34 people out of 100 like pink balloons( versus other colors). What is the probability that a person liking pink balloons gets 5 pink balloons when taking 7 random balloons from the bunch? (dependent events)

Math
What is the probability of in a room with 15 people, there will be at least one shared birthday?

Applied Math
Finding the perimeter.(I checked the other examples on this site but was unable to fine one that I could use that explain the steps . SO can you please help me someone.) If a rectangle length is 6.2 and width is 3.6cm.

Math
What is the probability if two dice are thrown of rolling a 5 with one and a 6 with the other?

Math
Suppose you decided to keep flipping a coin until it came up tails. Which of these is most likely? a.flipping the coin 11 times b.flipping the coin 12 times c.flipping the coin 14 times d.flipping the coin 13 times

MATH
Can someone pls help me Input Output 32 20 14 2 ? -14 -10 ? I am not so sure how to even start or figure it out.

Math
SO! how do I solve this problem in inches? A triangle with sides that measures 2 1/2 ft., 20 in., and 1/2 yd. Answer in inches

Math
Please help me to understand what it is that I need to do. A rectangle whose length is 5.3 cm and whose width is 2.5 cm

Math
How can you find the surface area of a composite solid made up of prisms? I am confused on this and have never done this.

Math
What is the square root of 16? A) 3/17 B) sq25 C) 0.6 D) sq 33 I think C Thanks

math
please check my work :) which pair of ratios can form a true proportion a-1/2 6/10 b-6/8 5/20 c-3/5 6/10* d-3/9 7/80 thanks

Math
A rectangular garden planter is 4 feet long, 1.5 feet wide, and 1.5 feet tall. How much soil can it hold?

Math
Trevor has finished reading 55% of a book.The book has a total of 400 pages.How many pages has Trevor read?

Math
tan 39°=40/AP, So AP =40/tan. in triangle AQP, angle Q= 60/sin 91°=AP/SinQ. Then bearing of Qfrom P = 30° 180°-(91 angle Q).

Math
3. Which of the following statements is true? (1 point) A. All similar figures are also congruent figures B. All congruent figures are also similar figures. C. It is not possible for figures to be both similar and congruent.*** My Answer D.Figures that are congruent cannot ...

math
write an equation in slope intercept form for the line that has a slope of 2/3 and y intercept of (0,-5)

Statistics
Question 1 - Use the dataset InkjetPrinters.txt to answer the following questions: Data was collected on a sample of 20 different consumer inkjet printers. The dataset contains 5 different properties: Variable Description Printing rate (PPM) Printing rate (pages per minute) ...

Math
A rectangle whose length is 5.3 cm and whose width is 2.5 cm.

Math
A triangle with sides that measures 2 1/2 ft., 20 in., and 1/2 yd. Answer in inches.

math
11 the 2 second power minus 7 times 6 minus 4 to the third power divided by 2

math
you find a sales receipt from a store that shows the total price as $40, and the total amount paid including sales tax as $42. a. Write an equation you can use to find the sales tax rate r. b. Can you use r to find the percent for the sales tax?

Math
You sell instruments at a Caribbean music festival. You earn $326 by selling 12 sets of maracas, 6 sets of claves, and x djembe drums. Write an equation you can use to find the number of djembe drums you sold. An equation that you can use is ___ =326 Maracas = 14$ Claves= $5 ...

math
0.492063492 divided by 226

math
3.72380952 divided by 4.16190476

math
(3/4 divided by 3/100 - 47/2) divided by 3/2 times 1/2 +7/6 =

math
(8.75−17/6) divided by 7.1+(9/2+8/3) divided by 43/10

math
13/6-11/15x=0.15 x=

math
5/9 divided by x=15/4 x=

math
3/x=x/12 x=

math
7/x=12/14 x=

math
13/6-11/15x=0.15 x=

Math
on tuesday evening randy spent 18 more minutes working on his math homework than he spent working on his philosophy readings. If he spent a total of 126 minutes on those two subjects then how much time did he spend on his math homework?

Math algebra
It say to find the area of the irregular shape and it's a semi circle with the diameter of 5 and a square measure 8 and I got the area of the rectantagle which is 40 and now I got to find the area of the semi circle but it say the radius for the formula and I can't find get ...

math
0.25x-7/6=7/3 x=

Math
Mira has 20 gallons of water. She used 8 1/2 gallon to water the roses and 7 1/2 gallons to water lilies. How much water does she use have left?

math
Write an equation for the following problem... you spend $16 on 3 notebooks and x binders. Notebooks cost $2 each and binders cost $5 each. Write an equation you can use to find the number of binders you bought.

math
you spend $16 on 3 notebooks and x binders. Notebooks cost $2 each and binders cost $5 each. Write an equation you can use to find the number of binders you bought.

math
emma made a rectangular picture frame with a heigth of 25 5/6 inches. The frame is 5 2/3 inches wide. What is the hieght of the picture emma placed in the picture frame? explain how you found your answer?

Math
A Ferris wheel has a diameter of 140 feet. There are 40 cars for riders, and they are placed at even intervals around the Ferris wheel. What is the best approximation of how many feet apart the cars are placed?

Math
Find the inverse function of y=g(x)=2x^3+1

Math
Hi there! I need help on this question. I am really confused. In a candy bar, 108 calories are from sugar. There are 240 calories in the candy bar. What percent of the calories are from sugar? A.60 B.45 C.58 D.42 I think it is B but I want to get a second opinion. Thanks!

math
f(x)= 3x^2 +12x + 2 when you complete the square, is it y= 3(x+2)^2 - 10

Math
You are packing for a vacation. You pack 3 pairs of shorts, 5 shirts, and 2 pairs of shoes. How many different outfits will you be able to make using one pair of each clothing 10 17 30*** 35 I think it is 30.

Math
Justin wants to evaluate 3cot(-5pi/4). Which of the following identities can he use to help him? Select two answers. cot(-theta) = cot(theta) cot(-theta) = -cot(theta) cot(-theta) = cot(-theta) cot(theta + pi) = cot(theta) cot(theta + 2pi) = cot(theta)

math
53 divided by 3

math
Make a box and whisker plot of the data, Algebra final exam scores 88, 92, 60, 80, 97, 58, 81, 47, 83, 65, 72, 78, 90, 92, 94, 87, 80, 50, 60, 52

Math
Find the length of a line segment --- CD with endpoint C at (-3, 1) ad endpoint D at (5, 6). round your answer to the nearest tenth, if necessary. A. 9.4 B. 5.4 C. 3.6 ] D. 11.7 Find the midpoint of a segment FG with point F at (-6, 4) and midpoint G at (8, -2) A. (-7, 3) B. (...

math
76 divided by ? = 100-12 = What number should be placed in he box to make the statement true

math
While she was travelling, Zaina took advantage of the convenience of cash withdrawals on her credit card since her Canadian debit card wasn’t accepted in the country she was in. According to her travel budget she withdrew $200 every day for food, activities and shopping for ...

MATH
While she was travelling, Zaina took advantage of the convenience of cash withdrawals on her credit card since her Canadian debit card wasn’t accepted in the country she was in. According to her travel budget she withdrew $200 every day for food, activities and shopping for ...

math
a candy dish contains 10 cinnamon drops 10 lemons and 10 peppermints. if two two pieces of candy are chosen at a random what is the probablity of getting a cinnamon drop first and then a peppermint?

math
Which measurement is equivalent to the amount of flour needed for one loaf of bread? A .05 B 5,000 C 50,000 D 500,000 A bag of flour weighs 2.5 kilograms. If 1 bag makes 5 loaves of bread, how many grams of flour are needed for each loaf? USE THIS TO ANSWER

math
A sequence is given by the rule n-12, where n represents the term in the sequence. What is the 17th term in this sequence?

math
Jim ran 2/3 of a 5k race, then walked the rest. How far did walk? How do I set this problem up?

Math
Tangent of an acute angle of a rhombus is 3⁄4, whereas its side is 10 cm long. Find an area of the rhombus.

Math
Tangent of an acute angle of a right triangle is 1⁄2. Area of the triangle is 25 m2. Find legs of this triangle.

Math
In a right triangle, one leg is 40 cm long and the hypotenuse is 104 cm long. Find the tangents of its acute angles.

Math
Cosine of a basic angle of an isosceles triangle is 1⁄2, while its area equals 4√3 cm2. Find the lengths of the sides of this triangle.

math
Abbi invested $1,000 in a certificate of deposit with a simple interest rate of 4%. Find the interest earned in 8 years. Then find the total of principal plus interest.

math
What is the sum of the measures of the angles of a regular decagon? What is the measure of each angle in the decagon? 1,620°; 162° 2,880°; 288° 1,440°; 144° none of these

Math
Please check my answers 1. Which ordered pair is a solution of y=x-4? My answer is B (0, -3) 4.Which equation has (2,-1) as a solution My answer is D y=-2x+1

Math
Which expression is equivalent? 7 − 4(2x − 3) A) 8x + 5 <--I think that is the answer B) 8x − 19 C) −8x + 5 D) −8x + 19

Math
Find the complete factorization of the expression. 48x + 56xy I think it be d. A) 8x(6 + 7y) B) 8x(7 + 6y) C) 8xy(6 + 7) D) 8xy(13)

Math
joe spent $27 for wallet and belts.walllet cost 2/7 as much as belt.How much wallet cost?

math
How could I solve c) and d) without the use of derivatives for the following question? It is estimated that, t years from now, the amount of waste accumulated, Q, in tonnes, will be Q(t)= 10^4(t^2+15t+70) tonnes, t is greater than or equal to 0, t is also less than or equal to...

Math
A density graph for all of the possible temperatures from 60 degrees to 260 degrees can be used to find which of the following? a. The probability of a temperature from 90 degrees to 180 degrees b.The probability of a temperature from 30 degrees to 180 degrees c.The ...

Math calculus 2
Find the volume of the solid obtained by revolving the region bounded by y=22*x−22*(x^2) and the x-axis around the x-axis.

math
0.25x-7/6=7/3 x=

math
13/6-11/15x=0.15 x=

math
11/2+0.6x=16 x=

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