6,964 Answered Questions for the topic mathematics

Mathematics

04/01/21

The base of a rectangular prism has a length of 15 inches and a width of 13 inches. What is the area of this base of the prism in square inches?

I'm confused and stuck I really need your help. Thanks!
Mathematics Math Algebra 1 Algebra

04/01/21

Growth trend:The graph shows the number of students enrolled in a high school over a 7-year period. If this trend continues, approximately how many students will be enrolled in year 9?

The graph shows the number of students enrolled in a high school over a 7-year period.(i cant attach a pic sry)Year 1: 1200 studentsYear 2: 1350 studentsYear 3: 1450 studentsYear 4: 1600... more
Mathematics 9thgrade

04/01/21

Please Help Mathematic 9th grade

The line with equation x-2y=1 intersects the curve(circle) with equation x2+y2-13 =0 at the points P and Q.Find the coordinates of P and Q.
Mathematics Math Logic Algebra

04/01/21

how many students who only like science?

In a class there are 50 students, with 12 students liking math and science lessons. If there are 2 students who do not like mathematics or science and the ratio of students who only like... more
Mathematics

04/01/21

draw a line segmant that is 6.5cm. then construct the perpendicular bisector

Mathematics Math Algebra 1 Algebra

04/01/21

how many answers have been answered correctly?

In the math competition it is determined that the correct answer will get a score = 2, the wrong answer will get a score = -1, while if you don't answer will get a score = 0. Of the 75 questions... more

03/31/21

What percent of these integers contain only odd digits?

There are 900 3-digit integers, the integers between 100 and 999, inclusive.
Mathematics

03/31/21

Y varies directly with x. If y = -8 when x = 2, find y when x = -6.

Mathematics

03/31/21

Adam has a rectangular shed that has a width of 2 meters. The length of it is 5 times the width. What is the length?

Please be the right answer
Mathematics Math Algebra 1 Algebra 2

03/30/21

Whats that answer..help!

This is the problem and I have no idea. Any help would be greatly appreciated.F(6) if f(x) = 2x -1
Mathematics

03/30/21

math equation for tests

∠ and ∠B are complementary angles. If m∠A=(x+9)∘ and m∠B=(7x−15)∘, then find the measure of ∠B.
Mathematics

03/30/21

choose the sentence that translates this inequality x- 8<23

Mathematics Math Algebra 1 Prealgebra

03/30/21

The length of a rectangular door is 24 feet less than three times its width. Solve for parameter.

You have a door. you know the length is 24 less than three times its width. You need to know the parameter to see if it will fit your doorframe. ___w___ | |3w-24... more
Mathematics Math Sat Math Act Math

03/30/21

Some basic proof by cases problems

I'm stuck on these basic proof problems. Could you share your solutions with me?a)Prove 3|(2n^2+1) if and only if 3∤n for n∈Zb)Let a∈R. Prove that a^2≤1 if and only if -1≤a≤1
Mathematics Math Business Finance

03/29/21

Calculating time value of money (Future values/Present values)

Mrs PQ is saving for her daughter’s education in five (5) years’ time. Her estimation is that tuition and living costs will be $300 000. She decides to deposit $3 000 per month (at the beginning of... more
Mathematics

03/29/21

Please help me! I don't understand this Combining Like Terms! Its due in 9 minutes!!

Six friends went to a football game. The price of admission per person is $x. Four friends paid an extra $5 each for a program. Write and simplify an expression that represents the total cost.
Mathematics Fractions

03/29/21

Solve the inequality: -100 _____ -75

I really need help, I’m not that good at math, and thank you for those who help me with this question, may God bless you all
Mathematics Math Algebra 1 Algebra 2

03/29/21

Need some help with the question

Turner and his wife are saving for a down payment on a house. They think that they need $75,000.A. If Turner and his wife each put $100 from each paycheck (i.e.$200 weekly) into an account that... more
Mathematics

03/29/21

thinking of two of the numbers, one number is 4 less than the other number, give one possible pair of numbers

thinking of two of the numbers, one number is 4 less than the other number, give one possible pair of numbers
Mathematics Math Calculus Ab Calculus

03/29/21

Hi, I need help with math

What is the slope of the line tangent to the polar curve r=4θ^2 at the point where θ=pi/4a) pi/2b) pi^2/4c) 8+pi/8-pid) something else?
Mathematics Math Algebra

03/29/21

how to solve this

A population numbers 13,000 organisms initially and decreases by 2.7% each year.Suppose P represents population, and t the number of years of growth. An exponential model for the population can be... more

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