07/31/19

x+y=7 y+z=9 z+t=13 what is the value of x+t?
X+Y=7Y+Z=9Z+T=13What is the value of X+T?Please show and explain your answers. This question is from the Clep study guide.
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07/31/19

precalculus math
for the polynomial below, 3 is a zero. g(x)=x^3-3x^2-4x+12. express g(x) as a product of linear factors
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07/31/19

I need the solution
A ladder is placed against a tree. The bottom is located 5 feet from the base of the tree and the top of the ladder is 18 feet up the tree. What is the angle created between the ladder and tree?
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07/31/19

find an f and a g function such that: f(g(x)) = (x + 5)^2
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07/31/19

Logarithm question
Given that logaC - logax = 5/3, express x in terms of a and N, giving answer in a form not involving logarithms.
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07/31/19

exponential question
e2x+1 + 9ex - 11 = 0
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07/31/19

Math logarithm word solving problem
The mass of a radioactive sample is given by M(t)= M°10^ -k•t, where t is the time in years, M° is the initial mass, and k is a constant. if 400 grams of this material decays to 40 grams I. 10... more
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07/31/19

Math Subject xddd
Te sum of two numbers is 20 and the sum of thier squares is 232. Find the numbers.
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07/30/19

A line with a slope of -10 passes through the points (1,p) and (2,-4) what is the value of p
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07/30/19

find an nth-degree polynomial function with real coefficients satisfying the given conditions

n=4i and 2i are zeros f(-1)=20f(x)=
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07/30/19

please help i need the answer to this problem
A 20-foot ladder is placed against a building. If the top of the ladder will lean against the building 15-feet high, how far away from the base of the building is the bottom of the ladder... more
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07/30/19

If sina.sinb-cosa.cosb= 1 show that tana+tanb=0
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07/30/19

Write it in slope form if possible

through (−2,−6) and perpendicular to y=13x+13
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07/30/19

​Rite-Cut riding lawnmowers obey the demand equation p=-1/10X + 1800 . The cost of producing x lawnmowers is given by the function C(x)=80x+6000
a) Express the revenue R as a function of x.​b) Express the profit P as a function of x.​c) Find the value of x that maximizes profit. What is the maximum​ profit?​d) What price should be charged... more
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07/30/19

Solving and Reasoning
Matt took a test consisting of 20 problems. Each correct answer earns 5 points, but each incorrect answer loses 1 point. Matt answered all the questions, and has score was 76. How many questions... more
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07/29/19

two right triangles are similar.. (see below for more)
5→📐 3.8→📐 (imagine this one is smaller)↑ ↑12 9I solved the majority of the problem however I'm a bit stuck on how to find the hypotenuse of the "smaller" triangle.would I use the Pythagorean... more
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07/29/19

ratio and proportion algebra word problem

In making a certain type of concrete, the ratio of cement to sand is 1:4. In making x barrels of this concrete, the number of barrels of cement used is(1) x/5 (4) 4x(2) x/4 (5) 1/5x(3) x
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07/29/19

write the answer in scientific notation (expression down below)
(4×10-5)(3.2×10-8)
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07/29/19

ratio and proportion math word problem

A family consumes q quarts of milk each week. The number of quarts this family consumes in 10 days is (1) 7q/10 (3) 70/q(2) 10q/7 (4) 10/7q(5) q/70
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07/29/19

The AREA A of the region S that lies under the graph of the continuous function f is the limit of the sum of the areas of approximating rectangles
The AREA A of the region S that lies under the graph of the continuous function f is the limit of the sum of the areas of approximating rectanglesA= lim (n->inf) fn = lim (n->inf) [... more
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07/29/19

System of Equations Word Problem
A sum of $10,000 is invested in 3 accounts that pay 3%,4%, and 5% interest.Twice as much money is invested in the account paying 5%, as in the account paying 3% and the total annual interest from... more
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07/29/19

Which best describes the relationship between the lines with equations 4x−8y=9 and 8x−7y=9?
A. same line  B. perpendicular  C. neither perpendicular nor parallel  D. parallel
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07/29/19

Find the coordinates of point B that lies along the directed line segment from A(-5, 2) to C(11, 0) and partitions the segment in the ratio of 5:3.
A. (10, 5)  B. (6, 2)  C. (3, 1)  D. (5,3/4)
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07/29/19

This sum of two numbers is 20 and there difference is 4 what are the two numbers

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07/29/19

The variable z is directly proportional to x, and inversely proportional to y. When x is 8 and y is 18, z has the value 1.3333333333333. What is the value of z when x= 13, and y= 22
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