James S.

05/19/24

Let A [-15 45] [ -5 15] and w [3] [1] Determine if W is in Col(A), is w in Nul(A)?

Determine if w is in Col(A). Select the correct choice below and, if necessary, fill in the answer box to complete your choice. • A. The vector w is not in Col(A) because w is a linear combination... more

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Linear Algebra

05/19/24

set B= {1+t^2, -2t- t^2, 1 + t + t^2} is a basis for P2. what is the coordinate vector of p(t) = 5 - 13t -2t^2 relative to B.

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Math Probability

05/17/24

Approximation probability math

Every mushroom is edible with the probability of 0.95, independent of other picked mushrooms.How many mushrooms would have had to be picked so that the probability that at least 300 would be edible... more

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Algebra 1

05/17/24

the product of a number and 4 is 5 less than the quotient of a number and 3

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Math Algebra 1

05/16/24

cant solve this

solve the equation by graphing.Check your solution.−5 + 1/-4 x = 3x + 6

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Probability

05/16/24

A number cube is rolled and a coin is tossed. The number cube and the coin are fair. What is the probability that the number rolled is 1-4 and the coin toss is tails

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Math Statistics Probability

05/16/24

Probability of a pair of dice

Consider rolling a pair of fair dice a single time. For a given roll, consider the value shown on each of the dice. For each of the following pairs of events, tell whether they are disjoint,... more

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Algebra 2

05/15/24

If f(x)=x^3 +11x^2 +20x−32 and f(−4)=0, then find all of the zeros of f(x) algebraically.

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Math Algebra 1 Algebra 2

05/15/24

Calculating averages of dates on Excel 97

Calculate the average of the following dates using Excel (97 in my case): 3/30/2023, 5/1/2024, 12/7/2024Answer (from Excel 97): 3/2/2024I would like to know how Excel is coming up with this answer.... more

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Math Algebra 1 Geometry

05/15/24

Are you able to teach other mathematics subjects?

Depending on the type of math and lessons you're seeking , I'm happy to assist with looking at your book lessons and school assignments .I have taken up to calculus courses in college and I'm more... more

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Math Algebra 1

05/15/24

solve the system by elimination. Check your solution. −2x − 5y = 9 3x + 11y = 4

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Algebra 1

05/13/24

or A parabola opening up or down has vertex (0,0) and passes through ( – 16, – 16). Write its equation in vertex form. Simplify any fractions.

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Precalculus

05/13/24

Lighthouse B is 9 miles west of lighthouse A. A boat leaves A and sails 4 miles. At this time, it is sighted from B. If the bearing of the boat from B is N64degreesE, how far from B is the boat?

The boat is either 8.7 miles or ___ miles from lighthouse B, to the nearest tenth of a mile. I don't understand how to get the second value

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Math Probability

05/12/24

Probability math

Every mushroom is edible with the probabiloity 0.95, independent of other picked mushrooms.What would be the the probability that 300 mushrooms picked under a month are edible amongst 320 picked?... more

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Math Precalculus

05/12/24

sketch the curve given by each pair of parametric equations over the given interval

https://ibb.co/zh5fLw6photo of problem ^

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Answers •2

Geometry

05/11/24

You pick a letter from the alphabet. What is the probability of selecting a consonant twice in a row?

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Geometry

05/11/24

You roll two die. What is the probability of rolling a 1 and a number that is at most 3?

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Answers •2

Geometry

05/11/24

There are 5 red, 6 blue, 7 green, and 3 yellow marbles in a bag. What is the probability of pulling a green marble out?

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Geometry

05/11/24

I need help ASAP

Determine the total number of outcomes from the events below.A: Pick a card from a deckB: Pick a letter from the alphabet

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Math Probability

05/11/24

Probability math

A chemist makes repeated measurements of the pH value in two lakes, A and B. The measurements are affected by random error that is normally distributed. The results are given by the following... more

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Geometry

05/09/24

True or False, explain why true or false

True or False. If true, give a convincing argument. If false, explain why it is false. Be sure touse mathematical language in your explanation and include an illustration.As an airplane flies... more

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Algebra 2

05/07/24

Find f(0) and f(3) for the given exponential function.

f(x)= (1/3)*-xf(0) =f(3)=

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Algebra 1

05/07/24

Graph the function f(x)=8x2–6

Graph

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Algebra 2

05/07/24

Let f(x) = x2 − 5x + 7 and g(x) = x2 − 3x + 2. Find the function.

f/g =Find the domain. (Enter your answer using interval notation.)

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Answers •2

Math Algebra 1 Algebra 2

05/05/24

Universal Sets and Venn Diagram

a) If given sets A, and B, how can I draw the Venn diagram of the operation A∩B = ∅?b) If A, B and C are sets, how can I show that A∩(B∪C) = (A∩B)∪(A∩C)c) If A, B and C are subsets of Universal Set... more

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Let A [-15 45] [ -5 15] and w [3] [1] Determine if W is in Col(A), is w in Nul(A)?

set B= {1+t^2, -2t- t^2, 1 + t + t^2} is a basis for P2. what is the coordinate vector of p(t) = 5 - 13t -2t^2 relative to B.