19,133 Answered Questions for the topic Algebra

06/09/21

External variable meaning, please help!!
What is "external variable" ? Please explain + provide examples.
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06/09/21

Urgent Help, Statistics Question, Linear Correlation

Which is the correct answer and explain why please. The answer for this was D. but I thought it was B. and I don't understand why. And what do they mean by "hidden variable," where does it usually... more
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Algebra

06/09/21

Need some help on the highlighted questions below.
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06/09/21

Calculus question related to vectors need help!
Part of a cross-country skier's path can be described with the vector function r = <2 + 6t + 2 cos(t), (15 − t)(1 − sin(t))> for 0 ≤ t ≤ 15 minutes, with x and y measured in meters. The... more
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Algebra Math Algebra 1

06/09/21

Person standing on top of a 56 ft building throws a ball vertically upward. The quadratic function h=-16t^2+104t+56 models the ball's height about the ground, h in feet, t seconds after it was thrown
What is the maximum height of the ball?How many seconds does it take until the ball hits the ground?
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06/09/21

I am so tired and I need help as soon as possible please with my Algebra homework

Question 1: What is the probability that a point chosen randomly inside the rectangle is in the square?A.) 1/6B.) 3/77C.) 3/154D.) 9/308help me
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06/09/21

hi. please please help me with my math homework please respond as soon as possible please

Question 1: What is the probability of randomly selecting a prime number from the first 30 natural numbers?       A.) 13/30 ≈ 43.33%B.) 1/3 ≈ 33.33%C.) 11/30 ≈ 36.67%D.) 12/30 = 40%   Question 2:... more
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06/08/21

Hello. I need assistance with this ONE question from my Algebra homework as soon as possible please

Question 1: Use composition to identify the functions that are inverses of each other.  A.)  B.)   C.) D.)   Question 2: Identify the inverse of f(x) = 4 + x2. Determine whether it is a function... more
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06/08/21

Please I need help with my math homework quickly please

Question 1: Use composition to identify the functions that are inverses of each other.  A.)  B.)   C.) D.)   Question 2: Identify the inverse of f(x) = 4 + x2. Determine whether it is a function... more
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Algebra

06/08/21

What is the cost of printing 900 leaflets?
the cost, C in dollars to print n leaflets is given by the formula C = 35 + 0.03nWhat is the cost of printing 900 leaflets?a: $27b $35c $37.70d $62.00Show all your steps and solutions.
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06/08/21

Statistics Question
b) Characterize the correlation.
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Algebra Points Lines

06/08/21

Find a value for m so AB is perpendicular to CD
Consider 4 points A (-1,3), B(3,-2), C(2,1) and D(-3,m). Find a value for M so AB is perpendicular to CD
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Algebra Points Lines

06/08/21

Find a value for m so AB is perpendicular to CD
Consider 4 points A (-1,3), B(3,-2), C(2,1) and D(-3,m). Find a value for M so AB is perpendicular to CD
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06/08/21

what is the equation?
Write an equation of a line with that is parallel to line 2x + 5y - 3 = 0 and has the same y-intercept as line 2x - 3y = 15. Show all your steps and solutions.
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06/08/21

Statistics Question Help!
a) Create a scatter plot of time spentwatching television versus number ofbooks owned.The x value or independent value is the number of books owned, and the y value or dependent value is the hour... more
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Algebra Math

06/08/21

A 20 ounce box of Oats a raisins cereal has 144 raisins inside of it. How many raisins should a 35 ounce box have?
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06/08/21

Hi. I need so much help with my math homework. I am so exhausted please help me quickly please I have needed help for many hours

1.) Identify the equation for the parabola with focus F(4, 0) and directrix x = −4.A.) y = −16x2B.) C.)D.)2.) Identify the value of p for the parabola.A.) p = 16B.) p = −4C.) p = 4D.) p = −16Please... more
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06/08/21

Hello. Please help me with my Algebra homework. I am stress And so tired. Please help me as soon as possible please

1.) Identify the value of p for the parabola.A.) p = 20B.) p = −5C.) p = −20D.) p = 52.) Identify the asymptotes of the hyperbola.A.)B.)C.) y = 0, x = 0D.)Please help me
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Algebra Math English History

06/08/21

Urgent Help, please! What are some Japanese customs that are influenced by geography, history, and religion?
What are some Japanese customs that are influenced by geography, history, and religion?
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06/08/21

Finding the mean of multiple products (answer of system of equations)
My teacher has asked me to the find mean of 5 system of equation problems in product for. She simplyasked me to find the product of (2, -2)(2, -7)(3, 7)(-4, -1)(-6, -2) She wants us to find... more
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Algebra Math English History

06/08/21

Urgent Help, please!! What does Japan have a absolute advantage in?
1. Japan absolutes advantage's, please list and explain!
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Algebra Math

06/08/21

You get paid $2500 a month after taxes.

You get paid $2500 a month after taxes. You put 10% into a savings account. After that, you use the remaining money to pay bills. Your personal bills are $74.25 for a phone, $145.40 for utilities,... more
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Algebra

06/08/21

The Lang of algebra

The sum of twice a number and 5 is the difference between the number and 4.
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Algebra Math Algebra 1

06/08/21

An unknown radioactive element decays into non-radioactive substances. In 480 days the radioactivity of a sample decreases by 35 percent.
A) What is the half-life of the element? B) How long will it take for a sample of 100mg to decay to 76mg?
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Algebra Math Algebra 1

06/08/21

In the early days of AIDS, the growth factor was around 1.8. In 1983, about 1800 people in the U.S. died of AIDS. If this had continued unchecked, how many people would have died from AIDS in 2003?
Diseases tend to spread according to the exponential growth model. In the early days of AIDS, the growth factor (i.e. common ratio; growth multiplier) was around 1.8. In 1983, about 1800 people in... more
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