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Caroline

Questions (179)

Could you please explain how to use a matrix (matrices) to solve a system of linear equations (two variables)? My book doesn't
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2. 1,213 views
Solve by using the substitution method1.x=-3y+4 and 3x+9y=12 3(-3y+4)+9y=12 -9y+12+9y12 0=0 x=-3(0)+4 x=4 Would there be
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2. 582 views
I have to use the substitution method to solve the system of equations.4x-y=9 and 2x+3y=12 I worked this problem myself and
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2. 626 views
If you solve the following system of equations by substitution, which statement is true?x = z x - 2y + z = 6 2x + y - 2z = 1 A.
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2. 562 views
State the domain and range of the relation y = 2x + 3My answer: y= 2x+3 y= 2(1)+3=5 domain: 1 range: 5 This is how my book
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2. 681 views
Driving down Bald Mountain in Wyoming, Bob dean finds that he descends 1600 feet in elevation by the time he is 2.5 miles
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2. 4,363 views
I turned these in and my teacher said all my answers were wrong. I'm so confused because when I go through my chapter it says
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2. 954 views
A force compresses a bone by 0.10mm. A second bone has the same length but twice the cross-sectional area as the first. By how
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2. 606 views
A light beam has a frequency of 5 x 1015 Hz. What is its wavelength?
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2. 505 views
1. A certain radar installation transmits electromagnetic radiation with a wavelength of 2.5 cm. What is the frequency of this
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2. 650 views
A differentiable function f(x,y) has the property that f(2,2)=2 and fx(2,2)=1 and fy(2,2)=2. Find the equation of the tangent
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2. 1,451 views
A shopper pushes a cart 41 m south down one aisle and then turns 90.0° west and moves 28 m. He then makes another 90.0° turn
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2. 888 views
Absolute Value EquationsWill someone please check to see if I am doing this correct? 1.|7x+2|=10 x= (8/7) or (-12/7) 2.|3x-5|=-1
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2. 475 views
5/(2y+6)+1/(y-2)=3/(y+3)?
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2. 254 views
√(x-10)+4=0
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2. 263 views
(2x+3)^(1/2)=4(5x-5)^(2/3)=16
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2. 289 views
[(8x^5)+(10x^4)]-[(4x^3)-(5x)]=0
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2. 250 views
3n^4-4n^2=-1
1. 1 answer
2. 208 views
x-3x^1/2+2=0
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2. 222 views
6X^(2/3)-5X^(1/3)-6=0
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2. 252 views
6X^(2/3)-5X^(1/3)-6=0
1. 1 answer
2. 254 views
x-3x^(1/2)+2=0
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2. 293 views
the mass of the crucible is 19.73 g fill the crucible with CuSO4 which was 26.44 g Heat the crucible until the water is released
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2. 1,419 views
If you stand on a bathroom scale, the spring inside the scale compresses 0.50 mm, and it tells you your weight is 680 N. Now if
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2. 886 views
What would be some examples of dilemmas which affect the health promoting work of the podiatrist?
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2. 363 views
What is another way to say 'make an informed choice'?
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2. 350 views
hey, I have to write an essay about ''challenges posed by differing concepts of health held by healthcare professionals and the
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2. 1,132 views
what does this mean: the rate of blood flow to an organ is related to resistance to flow in the small arteries and arterioles
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2. 880 views
I have to write a few paragraphs on the changes in the skills (both positive and negative) that enhance learning.Now, I wrote a
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2. 532 views
what could be an example of something that is urgent but is not important?and something that is important but not urgent? these
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2. 710 views
Prove these identitesI really need help with these I don't understand how to do them !!!! sin^2+tan^2=sec^2-cos^2 sin^2 sec^2
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2. 478 views
I know I posted this problem earlier but I don't think it will be seen anymore since it's almost at the end of the page:Find the
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2. 536 views
Find the total mass of the triangular region with coordinates (-1,0),(0,4),and (1,0). All lengths are in centimeters, and the
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2. 4,220 views
The given curve is rotated about the y-axis. Find the area of the resulting surface.y = 1/4x^2 − 1/2ln x, 4 ≤ x ≤ 5 The
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2. 4,435 views
A steady wind blows a kite due west. The kite's height above ground from horizontal position x = 0 to x = 60 ft is given by y =
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2. 2,476 views
Supercapacitors, with capacitance of 1.00F or more, are made with plates that have a spongelike structure with a very large
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2. 987 views
I am working a percent change word problem- 340 employees total and 56 laid off.? percent of decrease in employees.340-56= 284
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2. 536 views
what is the difference between 16/1 and 1/16 as fractions ?
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2. 382 views
5(2x - 10)/2 + 14 = 19Tried working this, need help-please 5x-50/2 or 10x - 50/2
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2. 652 views
50=3(s = 16)- 2(s - 2)I tried 3s+2s - 48-4 = 50 5s - 44 -44 = 50 - 44 am I on the right track ???
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2. 698 views
a concrete area measures 20ft on each side. the concrete slab will be 8 inches deep. how many cubic feet of concrete will be
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2. 829 views
I don't know how to begin this one-helpJanie bought 2 pairs of identical jeans at a sale.she paid regular price for the 1st pair
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2. 1,224 views
jerry is 6 more than 3 times as old as his son.together they are 46 yrs old. how old is jerry. ans -36I set up problem 6+3x=46
1. 7 answers
2. 752 views
I set this problem up as 500-2X=3,400Marys monthly salary is $500 less than twice her daughter's salary. Together they earn
1. 1 answer
2. 1,275 views
I am trying to figure out how to work this problem and need help.Q How many 2X6 pieces of 16 ft x 5 1/2 ins. for a porch that
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2. 579 views
If there is 31-days in Janurary, and the first day begin on Thursday. How do I determine four weeks and seven days. Do I count
1. 1 answer
2. 547 views
I lost my paper for the Math Riddle Pizazz page 167 about solving systems of equations and I no longer have the problems. (It is
1. 1 answer
2. 1,281 views
I lost my paper for the Math Riddle Pizazz page 167 about solving systems of equations and I no longer have the problems. (It is
1. 0 answers
2. 777 views
If M(t)=29.9t^2+3892, where t=0 represents 1990. How would I describe the transformation of the common function f(t)=t^2.How can
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2. 464 views
Please help classify each word in the following sentence:Put some cheese slices and bread on your plate. Thanks!
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2. 382 views
How do you classify this sentence? (Shurley English)Did Clint's son change the damaged tire on their car?
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2. 541 views
I am having a difficult time classifying this sentence:Did Clint's son change the damaged tire on their car? Please help!
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2. 615 views
find the nth termA1=6, d-3, n=10
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2. 889 views
if a business firm operates indefinitely without covering any of its sunk costs,what happens to these costs?A.they continue
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2. 790 views
A daredevil is shot out of a cannon at 45.0° to the horizontal with an initial speed of 28.0 m/s. A net is positioned a
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2. 2,367 views
spacial area.I don't get it!!!!
1. 1 answer
2. 365 views
Why was the Parthenon, Theater of Dionysus, The Temple of Delphi, The Agora, and the Marble Shop important to Ancient Greeks in
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2. 541 views
A mixture of gas contains 1.25g of N2, 1.25g of O2, and 1.25g of He in 2.50 L container at 25 C. Find the partial pressure of N2
1. 2 answers
2. 595 views
The path of a rocket fired during a fireworks display is given by the equation s(t)=64t2,( t do the 2nd power) where t is the
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2. 1,753 views
What does "Quelle est la date de son anniversaire" mean?I think it means "What is the date of his/her birthday?" Is that
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2. 522 views
Hi! Could anyone tell me what "Je ne deteste pas" means?
1. 3 answers
2. 502 views
functionsf(x)=rad. x-9 write the intervals of the functions. How do I put the set of numbers in the form of intervals such as
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2. 1,052 views
Does anyone know what kind of education a Medieval Princess received? I know they didn't get as much as boys and learned more
1. 4 answers
2. 471 views
When dilute nitric acid was added to a solution of one of the following chemicals, a gas was evolved. This gas turned a drop of
1. 1 answer
2. 1,899 views
Please help with this problem!Planet Pemdas is a perfect sphere that does not rotate. If a rocket flies in a path following the
1. 3 answers
2. 898 views
Please help with this problem!What is the positive three-digit integer that is four times the product of its digits?
1. 3 answers
2. 1,832 views
Please help with this problem!Brandon wishes to fence in a rectangular area of his lawn for his rabbit. If the measure, in feet,
1. 4 answers
2. 1,126 views
Please help with this problem!!Assume a, b and c are positive integers such that c cubed=a squared-b squared. If c is the least
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2. 565 views
Can you help me with this problem:Find a formula for the distance from the point (X1, Y2) (The numbers next to X and Y are like
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2. 639 views
I need help with the problem:A is a constant such that the graph of the equation Ax-3y=6 passes through the point (1,-3). Find
1. 1 answer
2. 508 views
what is the notion for subsequent multiple authors in a citation
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2. 551 views
What effects does mining have on the environment?what are the pro's and con's of mining?
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2. 524 views
How do I simplify (-2b^3)^4-3(-2b^4)3 ?
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2. 387 views
express the area of each triangle as a monomial.10. height-2n^2 base- 5n^3 11. height- 4ab^5 base- 3a^4b
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2. 1,688 views
Bess filled a syringe with water and left it by the sink in the sunshine. Ten minutes later she saw a puddle of water under the
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2. 1,266 views
Jake has a 3 foot long peice of wood that he wants to make into a triangular frame. He cuts a peice off of the board that is 1
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2. 1,226 views
Where do most Ancient Egyptian work?
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2. 618 views
Does anyone have the superior knowledge as to where I could find an easy read translation of Romeo and Juliet for no price at
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2. 561 views
What is 194 times 10 to the third power written in scientific notation???Please I am in tears trying to figure this out
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2. 430 views