11/26/23

Calculus question
A box is to be made out of a 8 by 14 piece of cardboard. Squares of equal size will be cut out of each corner, and then the ends and sides will be folded up to form a box with an open top. Find the... more
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11/25/23

Logarithm question

(5 - √3) / √(7 - 4√3 ) = P + √QFind the value of of Q- P
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11/24/23

Finding the total

a book sold 35, 600 copies in its first month release. Suppose this represents 8.2% of the number of copies sold to date. How many copies have been sold to date? Round your answer to the nearest... more
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11/24/23

Finding the total amount
an international company has 17,700 employees in one country. if this represents 34.7% of the company's employees does it have in total? Round to the nearest whole number.
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11/24/23

Find an equation for a Parabola

Find an equation for the parabola that has its vertex at the origin and directrix x=−10. If your answer is in the form x^2=Ay, then input here: A= 40y??if your answer is in the form y^2=Ax, then... more
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11/24/23

Finding the total amount given
an international company has 17,700 employees in one country. if this represents 34.7% of the company's employees does it have in total?
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11/24/23

I need help with tri-inequality.
Assume that a sample is used to estimate a population proportion p. Find the 90% confidence interval for a sample of size 388 with 78% successes. Enter your answer as a tri-linear inequality using... more
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11/24/23

Statistics Homework
In a survey, 10 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $49 and standard deviation of $20. Construct a... more
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11/24/23

Statistics Homework

You wish to test the following claim (Ha) at a significance level of α=0.005.      Ho:μ=58.6       Ha:μ≠58.6You believe the population is normally distributed, but you do not know the standard... more
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11/24/23

I don't understand how to do these questions. it's a lot of questions that I keep getting wrong.
f(x) = 3x+5 and g(x) = 3x^2 +3x After simplifying: (f o g )= f(x) = 7x+7 and g(x) = 3 - x^2 Calculate: a. f (g(0))= b. g (f (0))=f(x) = x^4 +2, g(x) = x-9,... more
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11/23/23

Statistics Homework
In a survey, 25 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $41 and standard deviation of $4. Find the margin of... more
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11/23/23

Statistics Homework
In a survey, 25 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $44 and standard deviation of $17. Construct a... more
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11/23/23

precalc question

254-x = 1253x+1
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11/23/23

how do you write a logarithm as the sum or difference of logarithms.
example 1: ln(e3x2/3√y)example 2: log (100/(x2-y2)5
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11/23/23

how do you solve an equation using Q(t)=Qoe^kt

The half-life of a radioactive substance is 8.93 years. If 6 grams of the substance is present now, how much will be present in 15 years?
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11/22/23

algebra word problem
If a 20-meter flagpole casts a shadow that is 50 meters long, how long is the shadow cast by a tree that is 36 meters high?
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11/22/23

algebra word problem
Suppose you are standing such that a 42-foot tree is directly between you and the sun. If you are standing 100 feet away from the tree and the tree casts a 120-foot shadow, how tall could you be... more
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11/22/23

Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) T. P(0 ≤ z ≤ 1.61) =
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11/22/23

Help I don't understand how to do this

Given that f(x) =x^2-8x and g(x)= x+2, calculate(a) f o g (1)= Correct(b) g o f (1)= (c) f o f (1)= Incorrect(d) g o g (1)= I know I'm not using the "o" correctly but I'm not sure how to put it in.
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11/22/23

What is perpendicular and parallel equation to this

Y=-7/2x+7what is perpendicular and parallel
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11/21/23

A triangular parcel of ground has sides of length 710 feet, 675 feet, and 535 feet. Find the measure of the largest angle.
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11/21/23

uniform distribution
From the figure what is P(X>1.26) or P(X<0.14)
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11/21/23

Algebra word problem
Fabrienne went clothing shopping and bought a new dress. The dress was on sale for 20% off and she had a coupon for an additional 15% off. If Sarah paid $54.40 after the discount and coupon, what... more
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11/21/23

Algebra word problem
You want to find the height of a tall tree. On a sunny day you measure the length of the shadow of the tree and find that it is 12 feet 5 inches long. At the same time you measure the shadow cast... more
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11/21/23

For the​ following, find the function P defined by a polynomial of degree 3 with real coefficients that satisfy the given conditions.
For the​ following, find the function P defined by a polynomial of degree 3 with real coefficients that satisfy the given conditions.The zeros are -3,-1, and 4P(-2)=12P(x)=(simplify your answer)
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