02/07/22

Math 101 HELP I have tried so many formulas and can't seem to get it
If the profits in your consulting business increase by 17% one year and decrease by 7% the following year, your profits are up by 10% over two years.
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02/05/22

calc - math Question
You pour yourself a cup of coffee. The function that models the cooling of 73◦C degree cup of coffee in a room of temperature 20◦C is given by T(t) = 20 + 53e^kt .where the temperature T is (C),... more
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02/04/22

Write an equation of the line that passes through (-4,1) and is perpendicular to the line y=2x+3.
I really need help with this
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02/04/22

Trigonometry Triangles
Hello I currently need help with the following trigonometry question. I believe I need to draw a diagram of a traingle from the information given and then begin solving but I am not sure.If tan t... more
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02/04/22

Find the volume of the solid whose base is the region enclosed by y=x^2 and y=4, and the cross sections perpendicular to the y-axis are squares.
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02/04/22

You want your boat to travel due east at 20 mph. If the wind is blowing at 9 mph with a direction 30 degrees south of west, to what direction and speed should you set your course?
From my diagram, I can see that the components of the wind vector is 9<cos(210), sin(210)> and my boat vector is 20<cos(0), sin(0)>. However, when I add the components and find the... more
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02/03/22

2x-6y=6. 12y+5x=24 <- how to solve using system of equations by substitution, not elimination
SUBSTITUTION not elimination, the last time I asked, they gave me the wrong way and it was useless, so please tell me how to do it with substitution. Thanks!
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02/02/22

Successive Differences
Using the successive differences formula what is the next number in the sequence 6,20,50,102,182,296...Please explain
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02/02/22

Find the equations of the asymptotes of the hyperbola
Find the equations of the asymptotes of the hyperbola x^2/25-y/16=1
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01/31/22

A goat is tethered to a stake at the edge of a circular field with radius 1 unit. How long should the rope be so that the goat can graze over half of the field?
Please be descriptive. And PLEASE I NEED HELP TODAY
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01/31/22

need help solving
What are the solutions of the quadratic equation?4x2−9x−9=0
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01/31/22

Does the log base number effect the domain and range?
Math homework due in the morning that from videos my teacher made us watch over the weekend that I'm still a little bit confused on
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01/26/22

how do you find the period of this equation? h= 25 cos pi/65 (t-15), where t=time in seconds.
I know that the period should be 2pi/k, but I'm getting the wrong answer with that. The answer should be 130 seconds.
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01/26/22

Hi, please help. Thank you!
Find the reciprocal of 3/x+2/5a. 2x+15/5xb. 5x/6c. 5x/2x+15d. x
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01/25/22

What is the next fraction in this sequence? Simplify your answer. 9/10, 4/5, 7/10, 3/5....
please help me solve this question and find the next term please, sequence fractions are complicated :(
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01/25/22

Homework Needed Help
Let f(x)=1/2x2-1 and mPQ be the slope of the secant line that contains points P=(2,f(2)) and Q=(2+h,f(2+h)). Use question 3, and 4 and 5 determine a number a such that mPQ arrow a as h arrow 0. As... more
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01/15/22

Square and triangles
The square and the equilateral triangle at the right have the same perimeter. Find the length of the sides of the triangle.square: x+5triangle 3xanswer: 12(?)needed: how do I get there.
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01/15/22

How many liters of 20% alcohol solution should be added to 40 liters of a 50% alcohol solution to make a 30% solution?
How many liters of 20% alcohol solution should be added to 40 liters of a 50% alcohol solution to make a 30% solution? Please help!!!!!!!!!!!!!!!!!
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01/15/22

A sum of money was divided among Jess, Adrian, and Mary in the ratio 4 : 3 : 5 : respectively. Mary received $175. (a) How much more money did Jess receive than Adrian? (b) What was the sum of money?
Trying to get help with my homework. I don't really understand it :(
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01/14/22

Is the solution correct?
Problem: In triangle ABC, a=12, b=17, and α=21⁰. Find β, rounded to nearest whole number. Suggested Solution: Step 1: Use Sine Law; (sin β)/a = (sin α)/b. Step 2: Substitute given values; (sin... more
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01/14/22

Find 4 points on the unit circle which have either a x- or y- coordinate equal to 1/ 3 . Then find all points on the unit circles whose x- and y- coordinates add up to 1/ 3 .
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01/13/22

Solve Using Substitution

Solve using substitution. Can someone help me learn how to do this one?2=2y-x23=5y-4x
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01/07/22

PLEASE CHECK IF IT IS A OR D
John writes the proof below to show that the sum of the angles in a triangle is equal to 180 degreeGiven: XY intersects ABC atvertex C and is parallelto ABProve: m<1 + m<2 + m2<3... more
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01/06/22

Alcohol solution problem
Fatuma needs to mix a 10% alcohol solution with a 40% alcohol solution to create 100 milliliters of a 19% solution. How many milliliters of EACH solution must Fatuma use?
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01/06/22

CALCULUS, INTEGRALS, APPLICATION OF INTEGRATION
Consider the region bounded by y = 2√x , x-axis, and x = 1.Set-up and evaluate the integrals that will give the area of the region using the following:i. vertical stripsii. horizontal stripsSet up... more
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