5,643 Answered Questions for the topic mathematics

Mathematics Math

1d

#### A college has 19 engineering students for every 81 students enrolled. If the college has 750 students, approximately how many are engineering students?

Mathematics Math

2d

#### how to solve this math question? increasing, decreasing?

Question is k(t) = 3t2/3-twhat is the local minimum and maximum also, what is each function to estimate the intervals on which the function is increasing and decreasing?

Mathematics Math

2d

#### If crystal scored 81, 90, and 95 on her science exams, what score would she need on her next exam in order for her mean and her median scores to be the same

Please show work&how to do it Thank you!

#### AMDM Question (Mathematics)

A vector starts at point (5, -4) and ends at point (0, -8). What is the vertical component of the vector?

#### AMDM Question (Mathematics)

A vector starts at point (-5, 6) and ends at point (8, -5). What is the magnitude of the vector? Answer to two decimal places.

#### AMDM Response Question (Mathematics)

Find the resulting vector when the vector <4, 1, 2> is multiplied by the matrix.(The matrix is down below)[ 4 3 2 ] 1 5 3 1 3 6

#### AMDM Constructed Response Question (Mathematics)

A plane traveling at 300 mph is flying with a bearing of 30°. There is a wind of 50 mph from the south. If no correction is made for the wind, what are the final bearing and ground speed of the plane?
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#### AMDM Question (Mathematics)

Final grades are often computed using weighted averages. Some college professors use complicated weighted averages. Your college professor tells you he will give a 33%-67% split on grades between...
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#### AMDM Question (Mathematics)

One force of magnitude 50 acts on an object. Another force of magnitude 66 acts on the object at a right angle, what is the magnitude of the resultant force on the object?

#### AMDM Question (Mathematics)

Your college professor tells you he will give a 30%-30%-40% split on grades between homework, quizzes, and test. However whichever category you have the highest average in will be the 40%...
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#### Can you say half a millionth instead of one ten-millionth?

I'm in a disagreement with someone about a math term.Instead of saying one ten-millionth, is saying half of one-millionth valid?Not just valid in conversation, but truely valid, as in you could...
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8d

#### Determine the value of x, y and z

Determine the value of x, y and z if- 4x-3y= 2-8z- y is twice as large as x- z is one sixth of yThe answer is x = 3, y = 6 and z = 1 but how do I get that answer?

8d

#### What number is K?

What number is K if the value of the expression 67-3k is twice as large as the value of the expression k-9?The answer is k=7, but how do I get the answer?

8d

#### algebra, polynomial functions

how can you argue that f(x) = 3x^4+2x^2+5 has no factor of the form x - c, where c is a real number? and how can we solve this by using algebra?

#### Please help with problem

What are the leading coefficient and degree of the polynomial?-18v + 20v^6 - 10 + 23v^4

9d

#### Is there any value of x that is consistent with the following?

Is there any value of x that is consistent with the following?"The value of the expression 3-2x is 5 more than twice the value of the expression."

9d

#### Determine the cost per hour on

It costs 140 SEK more to rent a padel court for an hour on weekends than on weekdays.Three hours on a weekend costs 50 SEK more than five hours on a weekday.Determine the cost per hour ona)...
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#### In a baseball field, home plate and the three bases are supposed to be the corners of a square. Do the directions above result in home plate and the three bases being the corners of a square?

Give a description of how you would use the Pythagorean Theorem to determine whether creating home plate and the 3 bases as directed above creates a square. If it doesn't make a square, how close...
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Mathematics Math

9d

#### What is equivalent to-15/-5

9d

#### calculus velocity question

If a ball is thrown straight up into the air with an initial velocity of 85ft/s its height in feet after t seconds is given by y=85t - 16t^2. Find the average velocity for the time period beginning...
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#### frequency distributions for quantitive data

Can someone please do an example of freqeuncy, cumulative, and relative of different classes while using the same answers? I am stuck on this on my homework.

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