6,964 Answered Questions for the topic mathematics

Mathematics

09/18/21

Chuck and Irene went on a 46-mile canoe trip with their class. On the first day they traveled 23 miles. What percent of the total distance was that? Round to the nearest hundredth when necessary.
Chuck and Irene went on a 46-mile canoe trip with their class. On the first day they traveled 23 miles. What percent of the total distance was that? Round to the nearest hundredth when necessary.
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Mathematics

09/18/21

Chuck and Irene went on a 46-mile canoe trip with their class. On the first day they traveled 23 miles. What percent of the total distance was that? Round to the nearest hundredth when necessary.
Chuck and Irene went on a 46-mile canoe trip with their class. On the first day they traveled 23 miles. What percent of the total distance was that? Round to the nearest hundredth when necessary.
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Mathematics

09/18/21

Suppose that |S|= 16. How many subsets does S have that contain exactly 14 elements?
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Mathematics Math

09/17/21

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

09/16/21

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?
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Mathematics Math Algebra 1 Algebra 2

09/16/21

Please Help With Problem

P^4 - 13p^2 + 40
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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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Mathematics Math Sat Math Act Math

09/16/21

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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Mathematics Math Sat Math Act Math

09/16/21

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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09/16/21

Recursive sequence
If a1 = 7 and an = an-1-4 then find the value of a6
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Mathematics

09/14/21

kenny read 5/8 pages in 2/3 minutes what is the unit rate
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Mathematics Math Finance

09/14/21

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.
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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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Mathematics Math Sat Math Act Math

09/13/21

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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Mathematics Math Sat Math Act Math

09/13/21

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? more
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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
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Mathematics Math Sat Math Act Math

09/13/21

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... more
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Mathematics Math Sat Math Act Math

09/13/21

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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Mathematics Math Sat Math Act Math

09/13/21

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%... more
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Mathematics Math Maths High School

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
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Mathematics Math Statistics

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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Mathematics Math Sat Math

09/11/21

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... more
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Mathematics Math Sat Math Mathematica

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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Mathematics Math Sat Math Mathematica

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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