59,605 Answered Questions for the topic Math

Math Physics

08/01/24

An object launched at a known speed, but unknown angle
An object is launched from a height of 1,000 m, at a speed of 500 m/s. If we want the object to land 14,000 m downrange, what angle (to two decimals) does the object need to fired at?
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Math

08/01/24

Mathematics ( Algebra)
1: 2x + 3x + 5x
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Math

07/31/24

Write an algebraic expression for the following word phrase.   7.27 less than the product of 37 and x
Write an algebraic expression for the following word phrase.  7.277.27 less than the product of 3737 and x
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Math

07/31/24

Find a formula for the exponential function passing through the points (-1, 5/2 ) and (3,40)
Find a formula for the exponential function passing through the points (-1,5/2) and (3,40)
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07/31/24

What is a reasonable range and domain for y =128x + 50
And any clarification on range and domain would be appreciated
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07/30/24

How to Graph a Line in Slope-Intercept Form?
Slope Intercept form may be written as: y= 1/3x + 5
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07/30/24

Parametric question
Two cars are racing at a constant speed around a circular racetrack. Car A requires 15 seconds to travel once around the racetrack, and car B requires 25 seconds to travel once around the... more
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Math Statistics

07/28/24

Probability of choosing an animal
At the animal shelter where Miguel volunteers on the weekends, there were three Siamese cats, five tabby cats, eighteen mixed-breed dogs, and two iguanas in their cages. If a customer picks any of... more
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Math Statistics

07/28/24

Probability of Yes and no answers

Sara came across a new website that featured a "live" fortune-teller. She typed in three questions and found (shockingly) that the fortune-teller could only answer yes or no to her questions.... more
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Math

07/26/24

What steps do you take to solve a two step equation?
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Math

07/26/24

What will your grade be with a zero
Let’s say you have an 82 in your class and two projects worth 10% of your grade. On one of them, you get a 100%, but the other you get a 0. What will your grade be and can you recover from it with... more
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Math

07/24/24

Translate the sentence into an inequality
The sum of 8 and y is less than 19
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Math

07/23/24

mathswatch work

A cinema has three screens last saturday there were 500 visitors.40% went to screen 1 25% went to screen 2 the rest went to screen 3.Work out how many visitors attended each screen
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Math Calculus

07/22/24

Gauss/Divergence Theorem
Calculate ∫∫S F • dSF = ⟨ 4x3z, 4y3z , 3z4 ⟩S is the surface of the solid bounded by the hemispheresz = sqrt(25 - x^2 - y^2), z = sqrt(4 - x^2 - y^2) and the plane z = 0
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Math Calculus

07/22/24

Gauss/Divergence Theorem
Calculate ∫∫S F • dSF = ⟨ 3xy2, xez , z3 ⟩S is the surface of the solid bounded by the cylinder y2 + z2 = 16 and the planes x = 1 and x = 5
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Math

07/21/24

Division fraction
suppse you have 11 pounds of coffe and need to distribute it into small size bags. Sarah wants to put 2/3 pound coffe per bag, while Elizabeth wants to put 3/4 pound of coffe per bag. Which person... more
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Math

07/20/24

The count in a bacteria culture was 900 after 20 minutes and 1400 after 40 minutes. Assuming the count obeys a continuous exponential growth pattern. What was the initial size of the culture?
Find the doubling period. Find the population after 115 minutes. When will the population reach 10000?
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Math Calculus

07/19/24

Green's Theorem
Compute the flux of the vector field ⟨x5, −xy4⟩, out of the rectangle with vertices (0,0), (4,0), (4,1) and (0,1)
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Math Statistics

07/19/24

T value and P value
Professor Jennings claims that only 35% of the students at Flora College work while attending school. Dean Renata thinks that the professor has underestimated the number of students with part-time... more
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Math

07/18/24

Help Please I am struggling with a math problem
For a certain company, the cost for producing x𝑥 items is 40x+300and the revenue for selling x𝑥 items is 80x−0.5^2 The profit that the company makes is how much it takes in (revenue) minus how much... more
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Math Calculus

07/18/24

When does object A overtake object B?

Two objects at t=0t = 0t=0 start moving along a straight path. Object A starts at 8 miles per hour. The velocity of object A changes according to the function Va(t)= (t+8)/(e^t) for t>0. The... more
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Math

07/17/24

Point A(1,2) is first reflected accross the x-axis then translate horizontally to the right, 5 units. What is the coordinates of the image of A?

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Math

07/17/24

Is there a specific trick to solve these kind of math problems?
Hey everyone! I'm kind of stuck on these 8th grade math problems, would anyone mind breaking it down for me? the whole process would be a lifesaver!1- (1396-1)(1396-2)…(1396-2016)(1396-2017) =2-... more
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Math

07/16/24

how many different batting orders can be formed for a five-member baseball team?
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Math

07/15/24

Suppose you want to have $400,000 for retirement in 20 years. Your account earns 10% interest. How much would you need to deposit in the account each month?
Suppose you want to have $400,000 for retirement in 20 years. Your account earns 10% interest. How much would you need to deposit in the account each month?
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