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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01/05/22

Perpendicular Lines
The equation y = 3/4X + 1 represents a given line.. Write the equation for the line that passes through (3,4) and is perpendicular to the given line
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01/04/22

simplify each radical expression by multiplying or dividing the radicals.

1. √5 •√102. -3√3  (2√5 +√6)3.( 7+√12) (7-√12)4.√6÷√5)5.  √5 ———   5+√2 show the solution.
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01/01/22

What is the value of M that makes f(x) continuous when f(x)={[9x^(2),x<10],[M,x=10],[x^(3)-100,x>10]}?
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01/01/22

Open box, 21 ft by 56 ft rectangular sheet of metal, equal size from four corners. What's maximum volume in ft^3
An open box is to be made from a 21 ft by 56 ft rectangular piece of sheet metal by cutting out squares of equal size from the four corners and bending up the sides. Find the maximum volume that... more
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12/18/21

Two angles of a triangle and the measure of the side opposite one of them are given. Find the measure of the side opposite the other given angle, but do not use a calculator.
c = 88, α = 30°, γ = 120°Please do put solutions so I can understand on how you do it.
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12/17/21

Implicit Derivative at a Point

If 1 + 3y = xy then find the equations of all tangent lines to the curve when x=2
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12/17/21

sheila invested a certain sum of money at 6%. she also invested a second sum, which was $2,000 less than the first sum, at 5%. her total annual income was $890. how much did she invest at each rate?
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12/16/21

FInding Circle Diameter
A circle in the xy-plane has a diameter with endpoints (-1,-3) and (7,3). If the point (0,b) lies on the circle and b>0, what is the value of b?
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12/13/21

Find the sum. (precalculus)
-13+39-117+...-9477
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12/12/21

Which of the following express 1 + 5 + 25 + 125 + 625 in sigma notation?
Which of the following express 1 + 5 + 25 + 125 + 625 in sigma notation?https://imgur.com/ToP3ON8MULTIPLE CHOICEII and IIII, II, and IIII and IIII only
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12/11/21

What is the partial fraction decomposition of this equation?
-2x^4+2x^3+6x^2+11x+4/x^2(x+1)^3
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12/10/21

Given f(x) = x + 1/x , determine whether the MVT applies to f(x) on [1, 3]. If so, find the point(s) that are guaranteed to exist.
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12/09/21

Use synthetic division to find the quotient and remainder when 8x^6-9x^4+9x^2+4 is divided by 2.
The quotient is.The remainder is.
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