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Find a basis for the column space and rank of the matrix ((-2,-2,-4,1),(7,-3,14,-6),(2,-2,4,-2)(2,-6,4,-3))
General
2 months ago
Miss Myers paid $3600 all together for the equipment furniture and decorations in a restaurant equipment cost $500 more than the furniture the cost of the furniture was twice as much is the cost of the decorations how much did equipment cost
General
2 months ago
The fourth term of a sequence is 108. Each term after the first is 3 times the previous term. Write an explicit expression that models the general term of the sequence f(n). Write your answer in the space provided on your answer document.
General
2 months ago
Select the correct statement or statements about compounds and molecules:CHOSE ALL THAT ARE CORRECT1) compounds don’t act like their elements; Compounds act like a different substance. 2) A molecule can be made of one type of element or a mixture of elements.3) A molecule is two or more atoms bonded together.4) A compound is made of just one type of element.
General
2 months ago
2. Hospital records show that a certain surgical procedure takes on the average of 120 minutes with a standard deviation of 10 minutes. Between how many minutes must be the lengths of at least 93.75% of these surgical procedures? Answer:
General
2 months ago
B A pair of fair dice is rolled, If the sum of the spots is 7, determine the probability that one di showed a 2.
General
2 months ago
Solve the following IVP:2. 2x^2 +y^2 +xyy′ =0, x>0, y(1)=1
General
2 months ago
4. Two cards are selected from a regular deck of cards. If the first was a ten, determine the probability that the second was a (a) ten, (b) jack, (c) picture card 3/K 4CL
General
2 months ago
5. Solve the given initial value problem 4y" – 4y' – 3y = 0, y(0) = 1, y(0) = 5
General
2 months ago
A gasoline tank for a certain car is designed to hold 15 gallons of gas. Suppose that the actual capacity of a randomly selected tank has a distribution that is approximately Normal with a mean of 15.0 gallons and a standard deviation of 0.15 gallons. If a simple random sample of four tanks is selected, and their capacities can be considered independent, what is the probability that all four will hold between 14.75 and 15.10 gallons of gas?
General
2 months ago
A system of equations is graphed on acoordinate plane.Which coordinates are the best estimate of thesolution to the system of equations? {2x+3y=12 {4x+2y=10(6,0)(0,5)(1,4)(1,5)
General
2 months ago
Help Please !!!Will mark the brainliest.Basketball star Mumford (a six foot senior forward) places a mirror on the ground x ft from the base of a basketball goal. He walks backward four feet until he can see the top of the goal, which he knows is 10 feet tall. Determine the how far the mirror is from the basketball goal. Justify your answer.
General
2 months ago
Andrea watched 10 videos online this week. The documentaries are 1 hour long, the cartoons are 20 minutes long, and the vine compilations are 15 minutes long. since she was studying most of the time, the number of documentaries she watched was equal to the number of times she watched the other two types of videos combined. She watched videos for a total of 6 hours and 20 minutes. How many of each type of video did she watch?
General
2 months ago
Write a quadratic equation with the given roots. Write the equation in the form ax^2+bx+c=0 , where a, b, and c are integers. –7 and –2
General
2 months ago
Coached ExampleV...Tanya walked 15 laps on an indoor track in 30 minutes. What was Tanya's averaspeed in laps per minute?The speed formula is r = _The distance is _ laps.The time is minutes.Substitute the known values into the speed formula.r=Simplify the fraction.r=Tanya's average speed waslaps per minute.
General
2 months ago
CAN SOMEONE PLEASE HELP ASAP!! I WILL GIVE BRAINLIEST! what does the degree of a polynomial expression tell you about its related polynomial function? explain your thinking. give an example of a polynomial expression of degree three. provide information regarding the graph and zeros of the related polynomial function
General
2 months ago
find a polynomial of degree 3 with real cofficients and zeros of -3,-1,4 for which f(-2)=24
General
2 months ago
Given that Ray E B bisects ∠CEA, which statements must be true? Select three options. m∠CEA = 90° m∠CEF = m∠CEA + m∠BEF m∠CEB = 2(m∠CEA) ∠CEF is a straight angle. ∠AEF is a right angle.
General
2 months ago
Problem PageA textbook store sold a combined total 217 of history and chemistry textbooks in a week. The number of chemistry textbooks sold was 57 less than the number of history textbooks sold. How many textbooks of each type were sold?
General
2 months ago
Select Is a Function or is not a Function to correctly classify each relation.TitleIs a Functionis not a Function{(3, 7), (3, 6),(5, 4),(4, 7)}{(1,5), (3, 5),(4, 6), (6,4)}{(2, 3),(4, 2), (4, 6), (5,8)}{(0,4), (3, 2),(4, 2), (6,5)}
General
2 months ago
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