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jenny

Questions (426)

A cleaner charges $0.50 per square foot to polish wood floors. A school hall has an area of 30 feet by 50 feet. What would be
1. 1 answer
2. 591 views
What is 80 is 20 times as many as 5 equal in a number sentence?
1. 2 answers
2. 434 views
5x+4y-5z=443x-4y+3z=-10 6x-3y+6z=-15 help solve it
1. 1 answer
2. 344 views
4x-y-3z=82x+2y-z=3 6x+y-3z=2 help me solve matrices
1. 1 answer
2. 927 views
A box of mass 3 units rests on a horizontal rough surface and is tied tothe end of a rope. Peter pulls on the rope and exerts a
1. 0 answers
2. 542 views
How many grams of ethylene glycol (C2H6O2) per kilogram of water are needed to give protection up to 120 °C in a car radiator?
1. 3 answers
2. 2,362 views
prove that if a is not equal to zero and if a �* b = a * c and a ^ b = a ^ c then b = c [Hint: calculate a �* (b-c) and a ^
1. 1 answer
2. 357 views
The world's tallest building is the Burj Khalifa in Dubai at 828 m tall.The CN Tower in Toronto is 553 m tall. Ryan wants to
1. 1 answer
2. 916 views
A band poster that measures 90 cm by 40 cm is reduced by a scale factor of 1/6 so it can fit on a postcard.a) What are the
1. 1 answer
2. 558 views
Solve the equation. Check your solution. 164=x-59
1. 2 answers
2. 892 views
Lily Adams purchased a $1,000 bond at 70. The bond pays 4%.What was the cost of the bond? What was the annual interest? What is
1. 3 answers
2. 2,044 views
Lily Adams purchased a $1,000 bond at 70. The bond pays 4%.What was the cost of the bond? What was the annual interest? What is
1. 0 answers
2. 1,266 views
Joe McCain purchased 5 $1,000 bonds at 89. The bonds pay 6%.What was the cost of the bonds? $4,450 ? What was the total annual
1. 2 answers
2. 3,636 views
Jane Investor purchased a $10,000 bond at 90. The annual interest is 5%.
1. 2 answers
2. 1,419 views
The sides of a square with an area of 49 cm2 will be reduced by a scale factor of 5/8.Determine the area of the reduced square
1. 1 answer
2. 1,291 views
Jamia is deciding between two long-distance telephone plans:• Plan A charges $5 per month plus 6¢/min. • Plan B charges $20
1. 1 answer
2. 949 views
is it a comprehensive answer?Machiavelli (in terms of political philosophy) Machiavelli was an Italian philosopher. A famous
1. 1 answer
2. 641 views
how Hobbes, Machiavelli and Rousseau are relevant?little guidance please
1. 1 answer
2. 454 views
hello can u help me please?write a few words about Machiavelli, Locke and how they are relevant today? John Locke is another
1. 1 answer
2. 616 views
A submarine is 700 meters below the surface of the ocean. it is ascending at a rate of 35 meters every minute. What does x
1. 1 answer
2. 664 views
why is modelling useful, despite being a simplified version of reality?my answer: answer: an economic model attempts to describe
1. 1 answer
2. 422 views
I need a prayes that is related to the terms of mathemetics of investments. please! thank you!
1. 1 answer
2. 301 views
x3+6x2+18x+13=0
1. 1 answer
2. 356 views
Let ABC be a triangle in the plane. Find circles C0;C1; : : : ;C6 such that Cjhas exactly j points in common with the boundary
1. 2 answers
2. 471 views
prove that there are no integars p and q such that:(p/q)squared =2
1. 0 answers
2. 936 views
Let ABC be a triangle in the plane. Find circles C0;C1; : : : ;C6 such that Cjhas exactly j points in common with the boundary
1. 1 answer
2. 1,033 views
the head circumferences of adult males have a bell-shaped distribution with the mean= 65cm and standard deviation =2cm.a. what
1. 0 answers
2. 954 views
cody has 6 times as many bottle caps in his collection as Rebecca. cody has 36 bottle caps. write an equation to find the number
1. 2 answers
2. 875 views
write an.algebraic equation for autumn has,1 brother. this is 3 less than the number of brothers chase has,b
1. 0 answers
2. 554 views
daredevil jumps 10m wide. he drives a car up a 11 degree incline. what was minimum speed to clear the 10m? acceleration is 9.81
1. 0 answers
2. 527 views
how would you write an algebraic expression for tthe same number of birds,b, sitting on three different wires, then 9 birds fly
1. 1 answer
2. 987 views
The bottom of the ladder is 5 feet tall from the wall. the ladder is 13 feet long. about how high is the wall?
1. 3 answers
2. 979 views
is sin^(2)x the same as sin(x)^2?
1. 0 answers
2. 311 views
How many ml of a 2% solution will 20 ml of a 10% solution make?
1. 1 answer
2. 509 views
In some cases the Distributive Property of Multiplication over Addition or DistributiveProperty of Multiplication over
1. 1 answer
2. 639 views
integrate (3dx/xln3x)
1. 2 answers
2. 417 views
how many 7 digit telephone numbers can be made if every other digit is even
1. 1 answer
2. 376 views
Cuando mis hermanos y yo fuimos menores, siempre comíamos en aquel restaurante.Mis padres esperan que yo aprendiera mucho en la
1. 1 answer
2. 1,002 views
El domingo pasado, yo iba con mis amigos al cine.What is wrong?
1. 3 answers
2. 552 views
The prices of several chess sets are $15, $20, $38, $95, $60, $45, $40, $35, and $50. Make a box-and-whisker plot of the data.
1. 3 answers
2. 1,187 views
I notice that other problems are answered in a timely manner....was is my overlooked?Determine values for A, B, and C such that
1. 2 answers
2. 845 views
Determine values for A, B, and C such that the equation below represents the given type of conic. Each axis of the ellipse,
1. 0 answers
2. 595 views
Determine values for A, B, and C such that the equation below represents the given type of conic. Each axis of the ellipse,
1. 0 answers
2. 629 views
The monthly rents for the apartments in a building are listed below. $425, $550, $550, $550, $650, $650, $650, $650, $800, $900P
1. 1 answer
2. 602 views
The monthly rents for the apartments in aBusiness building are listed below. $425, $550, $550, $550, $650, $650, $650, $650,
1. 5 answers
2. 589 views
The monthly rents for the apartments in a building are listed below. $425, $550, $550, $550, $650, $650, $650, $650, $800, $900P
1. 1 answer
2. 607 views
The monthly rents for the apartments in a building are listed below. $425, $550, $550, $550, $650, $650, $650, $650, $800, $900P
1. 0 answers
2. 1,023 views
Renee belongs to a bowling club. She scores 50, 52, 55, and 59 on her first four games. She hopes to continue improving
1. 2 answers
2. 545 views
The monthly rents for the apartments in a building are listed below. $425, $550, $550, $550, $650, $650, $650, $650, $800, $900P
1. 2 answers
2. 817 views
A normal distribution has a mean of 98 and a standard deviation of 6. What is the probability that a randomly selected x-value
1. 1 answer
2. 2,305 views
A sequence is defined recursively by a1=1,an=(an-1+1)^2. Write the first 4 terms of the sequence.
1. 3 answers
2. 3,040 views
A store sells rings with birthstones selected from the 12 different months of the year. The stones are arranged in a row.Part A:
1. 1 answer
2. 988 views
Jeremy and Noor are playing a game where they each draw a marble from a bag, and whoever draws the marble worth the most points
1. 3 answers
2. 567 views
If events A and B are independent, P(A) = 0.62, and P(B | A) = 0.93, what is P(B)?
1. 2 answers
2. 3,660 views
If events A and B are independent, P(A) = 0.62, and P(B | A) = 0.93, what is P(B)?
1. 1 answer
2. 753 views
Nine people are entered in a race. If there are no ties, in how many ways can the first three places be awarded?3 252 472 504
1. 3 answers
2. 1,536 views
there are 10 tenths in one whole.There are 100------------------ in one whole
1. 1 answer
2. 362 views
7 girls audition for 12 roles in a school play. What is the probability that at least 2 of the girls audition for the same part?
1. 4 answers
2. 2,953 views
Find the first 5 terms of the sequence witha1=6 and an=2a n-1 -1 for n _>2 a. 6, 12, 24, 48, 96 b. 6, 11, 21, 41, 81 c. 6, 7, 8,
1. 0 answers
2. 394 views
What is the 16th term in the following geometric sequence? 5, –10, 20, –40, 80, ...
1. 3 answers
2. 3,547 views
Yves and some friends are playing a fair game in which 18 cards are dealt to 6 players. One of the cards is a queen. The player
1. 2 answers
2. 495 views
You have a carrying case that holds four CDs. You want to know in how many ways you can place four of the ten CDs you own into
1. 1 answer
2. 581 views
7 girls audition for 12 roles in a school play. What is the probability that at least 2 of the girls audition for the same part?
1. 2 answers
2. 596 views
Yves and some friends are playing a fair game in which 18 cards are dealt to 6 players. One of the cards is a queen. The player
1. 0 answers
2. 374 views
The first 3 terms in a geometric sequence are 1.1, 1.65, and 2.475.Part A: What is the sum of the first 6 terms of the sequence?
1. 0 answers
2. 574 views
The first 3 terms in a geometric sequence are 1.1, 1.65, and 2.475.Part A: What is the sum of the first 6 terms of the sequence?
1. 0 answers
2. 518 views
Ralph, Mario, Jack, Laura, and Maria are in the math club. The club advisor will assign students to 3-person teams at the next
1. 3 answers
2. 890 views
Tell whether the possibilities should be counted using a permutation or combination. Then find the number of possibilities.You
1. 2 answers
2. 553 views
Yves and some friends are playing a fair game in which 18 cards are dealt to 6 players. One of the cards is a queen. The player
1. 0 answers
2. 392 views
If no digit appears more than once, how many 2-digit numbers can be formed from the digits 1, 3, 5, and 7?
1. 2 answers
2. 1,793 views
D)x^2+y^2=625 X^2+(y-50)^2=1122 Y=20 (-15,20)(15,20)E)x^2+y^2=625 X^2+y^2-200y+10000=13618 Y=18 (-20,-15)(20,-15) 1)Combine your
1. 1 answer
2. 564 views
An auditorium has a curved back wall. A horizontal cross section of the wall is in the shape of a parabola. The wall is 80 feet
1. 1 answer
2. 706 views
Nonlinear systemsSolve the system by elimination. y=x^2+2 -4x-y=10 Solve the system using substitution. y=-3x^2+x-2 y=-5x+3
1. 1 answer
2. 559 views
An auditorium has a curved back wall. A horizontal cross section of the wall is in the shape of a parabola. The wall is 80 feet
1. 0 answers
2. 535 views
Nonlinear homework...Solve the system by elimination. 1)y=x^2+2 -4x-y=10 2) Solve the system using substitution. Y=-3x^2+x-2
1. 1 answer
2. 495 views
Solve the system using substitution.Y=-3x^2+x-2, Y=-5x+3
1. 2 answers
2. 873 views
Solve the system by elimination.Y=x^2+2, -4x-y=10
1. 0 answers
2. 403 views
Write an equation for a parabola with vertex at (3, -6) and focus at (3, -4)
1. 1 answer
2. 699 views
Write the equation for a parabola with vertex ( -2, 3) and focus ( -2, 1
1. 1 answer
2. 461 views
A jar consists of 21 sweets, 12 are green and 9 are blue. William picked 2 sweets at random. Find the probability that both
1. 1 answer
2. 954 views
A jar consists of 21 sweets, 12 are green and 9 are blue. William picked 2 sweets at random. Find the probability that both
1. 1 answer
2. 1,460 views
One gram of tungsten has 3.28 × 1021 atoms,and each tungsten atom has 74 electrons. How many electrons are contained in 9.00 g
1. 0 answers
2. 568 views
Three point charges, +6.5 ¦ÌC, +1.4 ¦ÌC, and−3.9 ¦ÌC, lie along the x-axis at 0 cm, 1.8 cm, and 5.3 cm, respectively.
1. 0 answers
2. 645 views
Two electrostatic point charges of +54.0 ¦ÌCand +47.0 ¦ÌC exert a repulsive force on each other of 189 N. What is the
1. 1 answer
2. 666 views
A small cork with an excess charge of +5.0 ¦ÌCis placed 0.14 m from another cork, which carries a charge of −3.2 ¦ÌC. What
1. 0 answers
2. 605 views
Companies are usually taken private by who?
1. 0 answers
2. 306 views
x-intercept -4:y - intercept -2write an equation in slope - intercept form
1. 1 answer
2. 385 views
The urine excreted by an adult patient over 24 hours was collected and diluted to give 2.000L sample.at ph 10 EDTA FORMS 1:1
1. 6 answers
2. 2,060 views
find the general solutions to the equations:1) sec x = -2 2) 2 sin^2 x = 1 3) cos^2 x - 2cos x + 1 = 0
1. 1 answer
2. 1,015 views
An aqueous salt solution is formed by adding 11.67 g sodium sulfate (solute) to water (solvent). What mass (in g) of water is
1. 4 answers
2. 777 views
For the reaction, A �¨ B,ƒ¢H�‹ = +11.00 kJ mol-1 and Keq is 12.50 Calculate i) ƒ¢G�‹ and ii) ƒ¢S�‹ at 25
1. 1 answer
2. 398 views
For the reaction, A �¨ B, ƒ¢H�‹ = +11.00 kJ mol-1 and Keq is 12.50 Calculate i) ƒ¢G�‹ and ii) ƒ¢S�‹ at 25
1. 1 answer
2. 536 views
can someone please explain f1d1 = f2d2
1. 2 answers
2. 1,641 views
Q1) For the reaction, A to B,Delta H= +11.00 kJ mol-1 and Keq is 12.50 Calculate i) delta G and ii) delta S at 25 C (degrees
1. 3 answers
2. 415 views
Q1) For the reaction, A to B,Delta H= +11.00 kJ mol-1 and Keq is 12.50 Calculate i) delta G and ii) delta S at 25 C (degrees
1. 0 answers
2. 401 views
Q1) For the reaction, A �¨ B,ƒ¢H�‹ = +11.00 kJ mol-1 and Keq is 12.50 Calculate i) ƒ¢G�‹ and ii) ƒ¢S�‹ at 25
1. 0 answers
2. 388 views
Q1) For the reaction, A �¨ B,ƒ¢H�‹ = +11.00 kJ mol-1 and Keq is 12.50 Calculate i) ƒ¢G�‹ and ii) ƒ¢S�‹ at 25
1. 1 answer
2. 383 views
need help can someone please tell me Electricity is often converted into other forms of energy. List 3 examples.
1. 1 answer
2. 395 views
baloonist drops rock from balloon. takes 7 seconds for the rock to fall. what's the balloonist's altitude in feet?
1. 2 answers
2. 1,548 views
b.Methanol, CH3OH, which can be used as a fuel, can be formed by the reaction between carbon monoxide and hydrogen as depicted
1. 2 answers
2. 4,140 views

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