357 Answered Questions for the topic College Math

College Math Statistics Algebra

20d

#### In a normal distribution, if mean is 8 and standard deviation is 1.5, how many percent of data fall

Show the complete solution: In a normal distribution, if mean is 8 and standard deviation is 1.5, how many percent of data falla.     Above 8.5?b.     Between 7.2 and 8.5?
College Math Calculus Algebra

03/28/22

#### Find The Area Of The Region Bounded By The Curves, 𝑦=−6, 𝑦=6 The 𝑦−𝑎𝑥𝑖𝑠 And The Parabola 𝑦^2-4𝑥−16 = 0.

Find The Area Of The Region Bounded By The Curves, 𝑦=−6, 𝑦=6 The 𝑦−𝑎𝑥𝑖𝑠 And The Parabola 𝑦^2-4𝑥−16 = 0.My answer is -28/3. Just making sure
College Math Math Help Math Reasoning

02/16/22

#### I Need Help with Math Problem!

Suppose a substance grows at a rate of 26.9 % per hour and begins with 147 cells.A) The equation that models this scenario is Qt =  Blank 1. Calculate the answer by read surrounding text. *... more
College Math Math Help Math Reasoning

02/16/22

#### Help Please! Confused on a problem!

A radioactive substance has a half-life of 20 years. If 3631 lbs. are stored, ﻿A) How much will be present in 15 years?    Blank 1. Calculate the answer by read surrounding text. lbsB) How much... more
College Math Math Discrete Math Proofs

01/24/22

#### There exists a unique integer a such that a + b = b for all integers b.

I am doing this for a proofs class and I keep getting confused about how to prove it

10/25/21

Pete's Real Estate is currently valued at $68 ,000. Pete feels the value of his business will increase at a rate of 8% per year,compounded semiannually for the next 6 years. At a local fund-raiser,... more College Math Math Statistics 10/18/21 #### A sample of size 50 will be drawn from a population with a mean 76 and standard deviation 14. Find the 69th percentile of X A sample of size 50 will be drawn from a population with a mean 76 and standard deviation 14. Find the 69th percentile of X.please be detail and step by step. College Math 10/08/21 #### Answer this word problem. An executive in an engineering firm earns a monthly salary plus christmas bonus of$85,000, if she earns $97,300 per year, what is her monthly salary? College Math Finance 09/24/21 #### How much would you need to deposit in an account each month in order to have$40,000 in the account in 6 years? Assume the account earns 8% interest.

I cannot solve this. Can someone give me the steps? Thank you!
College Math Math Algebra 1 Algebra 2

09/16/21

P^4 - 13p^2 + 40

09/16/21

#### A 6 inch personal pizza has 610 calories, with 240 of those from fat. A 16 inch pizza is cut into 8 slices. Estimate the number of calories in one slice of a 16 inch pizza.

A 6 inch personal pizza has 610 calories, with 240 of those from fat. A 16 inch pizza is cut into 8 slices. Estimate the number of calories in one slice of a 16 inch pizza.
College Math Math Algebra 1 Algebra 2

09/09/21

What are the leading coefficient and degree of the polynomial?-18v + 20v^6 - 10 + 23v^4
College Math

06/21/21

#### How many can play and how many cards remain

27 cards total, each play gets 4 cards how many people can play and how many cards will remain?
College Math Math Calculus Precalculus

06/02/21

#### True or False. Proving Identities

(csc4x - 2 csc2 x + 1)/(cot2x) = (tan2x) is an identity.True or False?
College Math Calculus Sat Math

06/02/21

#### True or False. Proving Identities

(1 +sin t)/cos t + (cos t)/(1 + sin t) = (2 csc t) is an identity.True or False?

06/02/21

#### True or False? Proving Identities

(1 -sin t)/(cos t) + (cos t)/(1- sin t)= (2 sec t) is an identity.True or False?
College Math Precalculus Sat

06/02/21

#### True or false? Proving Identities

(1+ 2 tan2x + tan4x)/(sec2x) = sec2x is an identity.True or False.

#### Use​ Green's functions to solve the given boundary value problem.

Use​ Green's functions to solve the given boundary value problem.y'-y=6x; y(0)=0, y(2)=0

05/23/21

#### Frustrating Integral, help

the integral of (x^4 + X^2 + 4) over (x^6 +4x^4 + 4x^2) then dx on the middle of the fractioni got stuck after the partial fraction decomposition
College Math Math Calculus Geometry

05/05/21

#### Find an equation of a line that is tangent to the graph of f and parallel to the given line.

Function: f(x) = x3Line: 3x - y + 8 = 0 y= ? (smaller y-intercept)y= ? (large y-intercept)
College Math Math Calculus Geometry

05/05/21

#### Find an equation of the line that is tangent to the graph of f and parallel to the given line.

Function: f(x)= -1/8x2Line:x + y = 0
College Math Math Calculus Geometry

05/05/21

#### Consider the following function:

f(x) = x3 + 8,    (−2, 0)﻿(a) Find an equation of the tangent line to the graph of f at the given point. y= ? (b) Use a graphing utility to graph the function and its tangent line at the point.

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