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Math

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Recent Math Questions

Math
what is the surface area of the rectangular prism? length: 21.5mm height: 5mm Width: 4mm A. 480MM^2 B. 427MM^2**** C. 213.5MM^2 D. 255MM^2

Math - Trigonometry
A, B and C are three towns, the bearing of B and C from A being 295° and 205°, and their distances from A are 280km and 800km respectively. Find the bearing of C from B to the nearest minute.

Math - Trigonometry
Standing on top of a building 42 m high, an observer sights two objects at P and Q on opposite sides of the building. The angles of depression from the observer to P and Q are 23° 18' and 35° 33' respectively. What is the distance between P and Q to the nearest m? Again, ...

Math - Trigonometry
The diagonal of a rectangle of width 3.8, makes an angle of 32° 15' with each of the longer sides. Find the length of the diagonal, and the length of the rectangle. Im not sure how to picture/draw the shape, which in term will tell me if it is cos, sin or tan. Also will ...

Math
The difference between two numbers is 21. If twice the smaller number is added to one-half of the larger number, the result is 38. What are the numbers?

math
A boy draw the frame of a picture to a scale of 1cm to 15cm.if his drawing has 5cm length and 3cm as breath, what is the actual length and breath of the picture?

Math
Use the sterm-and-lead plot below to answer questions 1-3 Stem Leaf 5 4 5 6 0 6 9 7 2 3 4 5 5 8 1 2 8 9 9 5 6 5/4= 54 1. What is the range of data? A. 40*** B. 42 C. 54 D. 96 2. What is the median of the data? A. 64.5 B. 72.5 C. 74.5*** D. 75 3. What is the mode of the data? A...

5th grade math
Rachel has a box of cupcakes that she wants to share equally with her 5 friends. Write an expression to represent the problem.

Math
A rectangular field has side lengths of 2/3 mile and 3/4 mile. What is the area of the field.

Last math question of the night plz help quickly!
Find the domain and ranges of the following: f(x)=(2/3)x-3 f(x)=-3x+7 Thank you in advance, this helps me a lot because I really suck at finding domain/range and it's super late rn.

math
in cooking 1 drop equal 1/6 of a dash. if a recipe calls for 2/3 of a dash, how many drops would that be.

Math
What is half of 4 and 4 1/2

Math
secx+tanx/secx- tanx = 1+2sinx+sin^2x/ cos^2x

Math
I have a rectangle with a semicircle on each end.the area of the rectangle is 5500 sqare meters. What is the perimeter of the track

Math
Which set of output values correctly complete the function table? ------------------- | y = -4x | |------------------ |-6 | ? | |------------------ |-2 | ? | |------------------ | 3 | ? | -------------------- A: -24, -8, -12. B: 24, 8, 12.** C: 24, 8, -12. D: -24, -8, 12...

math
can someone explain y we have 2 have math???

3rd grade math
Johns ate 3/8 of a pizza how much was left?

Math
I need some help on this function rule question. 8.) Find the function rule. x: -2 -1 0 1 2 y: 9 4 -1 -6 -11 I'm having a really hard time figuring this out. Thnx

Math
What are 7 names for 8 using numbers less then 10

Math
Sade found that 75% of 60 is the same as 30% of another number n.what is the value of n?

Math
I need some help on this function rule question please. 8.) Find the function rule. x: -2 -1 0 1 2 y: 9 4 -1 -6 -11 I'm having a really hard time figuring this out. Thanks to anyone that helps:)

Math
What fraction is equivalent to 6/8?

Math
The ratio of cats to dogs is 2:5. If there are 9 more dogs than cats, how many cats are there???

6th grade math
Am aquarium in the shape of a right rectangle prism is 12.5 inches long,6 inches wide and 8 inches high is the total amount of water needed, to the nearest cubic inch, to fill 90% of the aquarium with water

math
Many thanks, Ms. Sue! then, round to nearest tenth of a percent means 12.35%=12.4%, is this right?

math
A rectangular prism has a base that measures 5 cm by 3cm and a height of 2cm. Cameron fills the prism with 1/2 centimeter cubes.

math
Round your answer to the nearest percent. What does it mean? please!

English
1. Math is complex but useful. 2. Math is complicated but useful. (Are both okay? Which syllable is stressed in 'complex'? First syllable or second syllable? There seem to be two ways in the dictionary.)

Math
The ratio of dogs to cats are 2 to 3 if there is 15 total animals how many cats are there

math
A polynomial P(x) has remainder R x +S on division by (x-a) (x-b). If a is not equal to b, express the constants R and S in terms of a, b, P(a), P(b). Find the remainder when P(x) is divided by (x-a)^2.

Math
If your trip cost $8.50 per student if 125 students are going on the trip the total of $1,011.50 has already been collected how many students have not paid yet

math
Tickets to a museum cost $3 and $8 for adults. a group of four visitors to the museum spent a total of $22 on tickets. Write and solve a system of equations to represent this situation. Interpret the solution

5 grade math
An office supply company is shipping a case of wooden pencils to a store. There are 64 boxes of pencils in the case. If each box of pencils weighs 2.5 ounces, what is the weight, in pounds , of the case of wooden pencils?

Math
Cashews sell for. 65 per ounce. What is the cost of 3/4 of a pound?

math
The total distance the plane flies from Chicago to New York City is 792 miles. The flight is 2 hours and 5 minutes long. The plane flies at about the same speed during the trip.• Round the flight time to the nearest hour. About how far will the plane fly in 30 minutes? • ...

math
which of the following describes japan after world war 2 japan adopted a communist government japan adopted a democratic government japan was divided into north japan and south japan japan emerged from the war as one of the world's most powerful nations

Math
What is the slant height for the given pyramid to the nearest whole unit? Pyramid base = 6cm Height = 4cm A.) 7cm* B.) 5cm C.) 9cm D.) 8cm Ca n someone please check this?

Math Algebra
hi guys need help with a few questions. 1. Which equation represents the axis of symmetry of the function y = 2x^2+4x-6? A. y= 1 B. x= 1 C. x=3 D x= -3 2. & 3. What are the coordinates of the vertex of the graph of the function - 2. y = -x^2+6x-11 A. (3,-2) B. (3,16) C. (-3,-...

math
p(a multiple of 2) A 0.25 B 0.5 C 0.625*** D 0.75

Math
If the pth,qth and rth terms of an AP be a,b and c respectively then prove that p(b-c)+q(c-a)+r(a-b)=0

Math
You borrow $3200 to buy new kitchen appliances. The simple interest rate is 5%. You pay the loan off after 4 years. What is the total amount you paid for the loan? $___

Math
15% of what number is 42?

Math
What percent of 15 is 9?

Math
Name the population and the sample in these two 1) The number of roadrunners born within a 50-mile radius of lubbock 2) The cars traveling at a 75 kilometers per hour between beaumont and lufkin

Math: equations
Samantha has triple the number of braclets as Ruth. Ruth has x braclets. All together, they have 48 braclets. Find the value of x.

math
Karen borrowed money from a loan shark at an interest rate of 114% APR. Karen paid the loan shark $12150.00 back after 25 months (after being threatened a few times). What will be the time in the formula be for this calculation? How much money did Karen borrow?

math
Mary is borrowing $3130 from a Loan Shark that will charge 4% APR. After being threatened for 18 weeks straight, Mary will pay the Loan Shark back. How much interest will Mary pay for this loan? How much will Mary have to pay the loan shark back?

Math
Given that the equation x(x-2p)=q(x-p) has real roots for all real values of p and q. If q=3, find a non-zero value for p so that the roots are rational.

Math
Help. If p and q are the roots of the equation 2x^2-x-4=0. Find the equation whose roots are p-(q/p) and q-(p/q). Working please

Math
The area of a rectangular field is 0.5 hectare if one side is 12.5 metre find the other side in metres

math
Sam has 18 employees on his staff. He gave 2 chocolate chip cookies and 5 peanut butter cookies to each employee. What is the total number of cookies he gave away?

math
Solve the simultaneous equations 2^x-5^y=3 and 2^(x-2)+5^(y-2)=2

Math
a loan shark charges 81.5% APR. What is this as a percent per month?

MAth
a bank charges 0.037% per day. What is this as an APR?

math
the lengths of the sides of a triangle are 10,17 and 21 cm. how long is the altitude of the triangle to the longest side?

Math, Series
Given that 1/(y-x), 1/2y, and 1/y-z are consecutive terms of an arithmetic progression, prove that x,y, and z are consecutive terms of a geometric progression.

Math
Find the length of the curve y=(x3/3)+x2+x+1/4x+4 Plases solve

math
You have a total of 52 dimes and quarters. You have 10 more quarters than dimes. Which system of equations can you use to find the number x of quarters and number y of dimes you have? Use the system to determine how much money you have in quarters and dimes.

basic math
how to write forty five thousand three hundred twelve

Math
A test has 12 problems, and each problem is worth 5 marks. Full marks are given for a correct answer, 2 marks are given if there is no answer, and no marks are given for an incorrect answer. Some scores between 1 and 60, are impossible to get on this test. What is the sum of ...

math
Amy leaves home at the same time every morning and gets to school exactly at 8 AM. If she traveled at 70 meters per minute she would arrive 10 minutes early. If she traveled at 60 meters per minute she would arrive 8 minutes early. What time does Amy leave home each morning?

math
A ladder 29 feet long leans against a wall and the foot of the ladder is sliding away at a constant rate of 3 feet/sec. Meanwhile, a firefighter is climbing up the ladder at a rate of 2 feet/sec. When the firefighter has climbed up 6 feet of the ladder, the ladder makes an ...

math 1
c) 36,31,25,21,... t7 and t20 arithmetic and geo metric

math
find the area of the circumference. 42 FT A. 132 ft I got A. and others told me this 2 is this correct?

Math
50 is what percent of 125?

math
The sale price of an item is $180 after a 25% discount is applied. What is the original price of the item?

math
Mike says that 3/3 of his fraction model is shaded blue. Ryan says that 6/6 of the same model is shaded blue. Are the two fractions equivalent? If so, what is another equalivant fraction?

MATH
In an isosceles trapezoid the length of a diagonal is 25 cm and the length of an altitude is 15 cm. Find the area of the trapezoid.

math
find the circumference of the circle round to the nearest foot. it is 42 ft I got a but I'm not sure. A.132ft B.264ft C.1,320FT D.2,640FT

Math
Describe the cross sections formed as the plane intersects the interior of the sphere but moves away from the center

Math
If the scale had been 2/3 inch: 4 feet , how many inches longer would the scale drawing of Quinta's bedroom have been?

math
John let out 50 foot of kite string when he observes that his kite is directly above a point on the ground 30 feet away from him, how high is the kite ?

Math
Kylee bought a pack of 12 cookies. One-third of the cookies are peanut butter. How many of the cookies in the pack are peanut butter?

Math
Three workers can do a job in 28 hours. How many more workers are needed to do this job in 12 hours?

Math
It took Jen, who biked at a speed of 12 mph, 20 minutes to get home. What is Jim’s speed, if it took him only 15 minutes to bike that distance?

Math (Ms.Sue please help!)
Sarah owns a small business. There was a loss of $19 on Thursday and a loss of $12 on Friday. On Saturday there was a loss of $11, and on Sunday there was a profit of $15. Find the total profit or loss for the four days. A. $35 loss B. $19 profit C. $27 loss D. $57 profit

Math
Find the length of the curve y=(x3/3)+x2+x+14x+4 Plases help to find the curve

Math
The original Ferris wheel introduced at the 1893 World's Fair in Chicago had a diameter of 250 feet. What is the closest distance a person who rode this wheel travelled in one complete revoulution

Math HELP
A new luxury car costs $80,000. You pay 10% down and amortize the rest with equal monthly payments over a 7-year period. If you pay 9.25% compounded monthly, what is your monthly payment? How much interest will you pay?

Math! Help Hurry!
A chest shaped as a rectangular prism can hold 576 wooden cube blocks with edge lengths of 1/4 ft. What is the volume of the chest?

Math! Help Hurry!
Tasha has foam blocks stored in a box that measures 3 1/4 ft long by 3 ft wide by 1 ft tall. Each foam block is a cube with 1/4 ft edge length. How many blocks can fit into the box? A)156 B)312 C) 624 D) 2496

Math! Help Hurry!
A prism is completely filled with 96 cubes that have edge length of 1/2 cm. What is the volume of the prism?

Math! Help Hurry!
A rectangular prism has a length of 8 in., a width of 4 in., and a height of 2 1/4 in. The prism is filled with cubes that have edge lengths of 1/4 in. How many cubes are needed to fill the rectangular prism?

Math and Hurry Please!
A prism is completely filled with 2304 cubes that have edge length of 1/4 cm What is the volume of the prism?

Math
A quart of milk and cream contains 28 ounces of milk. If 8 ounces of cream are added, what percent of the new mixture is cream?

Math
Question: An electron is released from rest in a uniform electric field and accelerates to the north at a rate of 249 m/s^2 . Part A: What is the magnitude of the electric field? Answer: E=_____ N/C Part B: What is the direction of the electric field? (Choose one) - to the ...

Math
Which statement shows 28% on a 5x5 grid? ÷ are the shaded/× are the blank A.÷×÷÷÷ ÷÷÷×÷ ÷÷÷÷÷ ×÷÷÷× ÷÷÷÷× B. ×÷××÷ ÷××÷× ××÷÷× ××××× ××××÷ C. ××××× ÷×÷×× ×÷××× ××÷×× ÷×××÷ D...

math
A person sold 100 shares of a stock at a loss of 40%. If the selling price for the 100 shares was $3,000, which of the following comes closest to what was paid for the stock?

math
CC-chem co manufactures a single product, product W, and have provided you with the following information which relates to the period which has just ended. Standard cost per unit of product W Materials Price per kilo total Kilos $ $ F 15 4 60 G 12 3 36 H 8 6 48 totals 35 144 ...

Math
[Note: I did the first half of this question by myself and got it correct. But I got the second half wrong] Question: How much work does the electric field do in moving a proton from a point with a potential of +160 V to a point where it is -45 V ? Express your answer in ...

Math
Hi! I quickly just need to know what is an irrational number? Thanks! ~Dani

Math
9. Calculate the area of the composite figure, which is not drawn to scale. (Workpad needs to be worked out, correctly). 17 cm (rectangle part) top, 22 cm height (one side, rectangle), 10 cm height (other side, rectangle), 19 cm bottom (some, triangle part), 17 cm bottom (...

math
Dench manufacturing has received a special order from Sands to produce 225 components to be incorporated into Sand's product. The components have a high cost, due to the expertise required for their manufacture. Dench produces the components in batches of 15, and as the ones ...

math
CC-chem co manufactures a single product, product W, and have provided you with the following information which relates to the period which has just ended. Standard cost per unit of product W Materials: Materials Price per kilo total Kilos $ $ F 15 4 60 G 12 3 36 H 8 6 48 35 ...

intermediate algebra
inequalities –1 ≤ x – 3 ≤ 5 –2x – 5 < –2 or x – 3 < –10 Be careful of how a negative x-term is handled in the solving process. Show all math work arriving at the solutions. •Show the solution sets written algebraically and as a union or intersection ...

MATH HELP! CHECK MY ANSWER ASAP!
1. The formula V = lwh is used to calculate the volume of a rectangular prism. What is the equation solved for h? (1 point) a. Vlw = h b. Iw/V = h c. V/Iw - h** d.Vh = lw 2. What is the equation x = y + z solved for z? (1 point) a. x + y = z b. x/y = z c. y/x = z d. x - y = z...

Math
(b) Each piece of wood for the porch must be 2.25 feet long. • How many pieces can Tyler’s father cut from the 10 boards? • Use words and numbers to explain how you found your answer

math
cassie needs 16 yards of yarn and she has 580 inches of yarn does she have enough and explain please

math
A newlywed couple wishes to have 3 children. What is the probability of having exactly 2 boys?

Math
A boy's age if formed by reversing the two digits in his grandfather 's ages. If the sum of the digits used 9 and the grandfather is 63 years older than his grandson. Find their present ages?

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