6,938 Answered Questions for the topic mathematics
Mathematics Math
09/16/21
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!
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AMDM Question (Mathematics)
A vector starts at point (5, -4) and ends at point (0, -8). What is the vertical component of the vector?
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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.
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Mathematics
09/14/21
kenny read 5/8 pages in 2/3 minutes what is the unit rate
the principal P is borrowed and the loan's future value, A, at time t is given. Determine the loans simple interest rate, r, to the nearest tenth of a percent. P=$2000 A=$2150 T=1 Year
I know I am supposed to use I = PRT or A=P(1+rt) but I don't understand how I'm supposed to set up the equation.
Mathematics
09/14/21
Simplify each of the following expressions and then put each simplified expression in order from greatest to least.
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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
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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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Mathematics Math
09/13/21
What is the next number in this sequence 7, 12, 4, 16, 12, 1, 5?
I need rule also. thanks
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?
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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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09/12/21
Determine the equation of a line perpendicular to y=-4/5x+7 and the same y-intercept as 7x-5y+2=0
Determine the equation of a line perpendicular to y=-4/5x+7 and the same y-intercept as 7x-5y+2=0
09/12/21
I really need help with this Statistics question ASAP
Use the data below to complete the following calculations. 342, 243, 384, 281, 3∑x=∑x2=(∑x)2=
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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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09/10/21
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?
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09/10/21
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?
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09/10/21
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?
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Mathematics
09/10/21
A student math question
There was a total of $548 collected for tickets for a school play. The adult tickets cost$6, and the student tickets cost $4. If 12 more student tickets were sold then adult tickets, find the...
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Please help with problem
What are the leading coefficient and degree of the polynomial?-18v + 20v^6 - 10 + 23v^4
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09/09/21
Simplify the expression 5x-4y
Simplify the expression 5x-4y if we know that b) x-y=1
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09/09/21
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."
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09/09/21
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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