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Barb

Questions (124)

Please help with this question!Two straight walls meet at an angle pi/4. A straight piece of fencing PQ of length 10 metres is
1. 1 answer
2. 180 views
8. 12/5
1. 2 answers
2. 209 views
How much work is done pushing 45kg Weight on wheels up 30 degree ramp for 20 meters
1. 1 answer
2. 210 views
Can I use the troposphere as the control of the experiment if i'm testing carbon levels?
1. 2 answers
2. 347 views
Find an equation of the line L that passes through the point(−2, 6) and satisfies the given condition. (Let x be the
1. 5 answers
2. 2,324 views
The scores on a math test are normally distributed. if the mean is 72 and the standard deviation is six, what is the range of
1. 1 answer
2. 2,882 views
Determine the intersection X ∩ Y. Express the in interval notation.X = {x } and Y = {x
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2. 1,003 views
If a black coat that is coat dominant over a red coat but is heterozygousfor coat color and breeds with a red cow, what
1. 1 answer
2. 1,022 views
A writer must include research to ensure the reader understands his point.
1. 3 answers
2. 400 views
Identify Parts of Speech in A city must be planned Carefully, or people will not want to live in it.
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2. 621 views
A scuba diver 60 ft below the ocean surface inhales 55.0 mL of compressed air from a scuba tank at an initial pressure of 2.60
1. 1 answer
2. 2,002 views
One number is 10 less than twice a second number. Find a pair of such numbers so that their product is as small as possible.Thes
1. 1 answer
2. 1,593 views
You plan to build four identical rectangular sheep pens in a row. Each adjacent pair of pens share a fence between them. You
1. 1 answer
2. 2,665 views
One number is 10 less than twice a second number. Find a pair of such numbers so that their product is as small as possible.I
1. 2 answers
2. 579 views
One number is 10 less than twice a second number.Find a pair of such numbers so that their product is as small as possible.x-10
1. 3 answers
2. 648 views
A bag has 27 balls in it; numbered 1 through 27; no number repeats. If you select two balls from the bag without replacement
1. 1 answer
2. 483 views
make an aqueous solution of 0.176 M copper(II) chloride for an experiment in lab, using a 300 mL volumetric flask. How much
1. 2 answers
2. 926 views
How much farther is it around the bases of a 90 feet diamond than around the bases of a 60 feet diamond
1. 1 answer
2. 553 views
One angle of a triangle measures 105degrees and another angle measures 32degrees what is the measurement of the third angle
1. 3 answers
2. 1,001 views
The height in feet of a projectile with an initial velocity of 32 feet per second and an initial height of 48 feet is a function
1. 1 answer
2. 2,437 views
A medical researcher wanted to determine the effect of pH (a measure of alkalinity or acidity, with pure water having a pH of 7)
1. 0 answers
2. 663 views
Flying with the wind, a plane traveled 570 miles in 3 hours. Flying against the wind, the plane traveled the same distance in 5
1. 1 answer
2. 850 views
The fuel efficiency for a certain midsize car is given by E(v)= -0.016v^2+1.408v+3.8, where E(v)is the fuel efficiency in miles
1. 2 answers
2. 649 views
The monthly income I, in dollars, from a new product is given byI(t) = 81000 − 45000e^-0.005t where t is the time, in months,
1. 0 answers
2. 615 views
Lead shielding is used to contain radiation. The percentage of a certain radiation that can penetrate x millimeters of lead
1. 2 answers
2. 1,018 views
The number of bass in a lake is given byP(t) = 2800/1+6e^-0.05t where t is the number of months that have passed since the lake
1. 4 answers
2. 917 views
Lead shielding is used to contain radiation. The percentage of a certain radiation that can penetrate x millimeters of lead
1. 1 answer
2. 540 views
The monthly income I, in dollars, from a new product is given byI(t) = 81000 − 45000e^-0.005t where t is the time, in months,
1. 1 answer
2. 522 views
A cup of coffee is heated to 180°F and placed in a room that maintains a temperature of 65°F. The temperature of the coffee
1. 1 answer
2. 2,257 views
Lead shielding is used to contain radiation. The percentage of a certain radiation that can penetrate x millimeters of lead
1. 1 answer
2. 564 views
The monthly income I, in dollars, from a new product is given byI(t) = 81000 − 45000e^-0.005t where t is the time, in months,
1. 1 answer
2. 1,328 views
The function A(t) = 200e^-0.014t gives the amount of medication, in milligrams, in a patient's bloodstream t minutes after the
1. 1 answer
2. 1,393 views
A rental company purchases a truck for $14,500. The truck requires an average cost of $6.75 per day in maintenance.(a) Find a
1. 1 answer
2. 528 views
a full scholarship to any student who scores in the top 4% of students on the SMRT standardized exam. SMRT scores have a mean of
1. 0 answers
2. 464 views
Triangles ABC and DEF are similar. Find the area of triangle ABC. Round your answer to the nearest tenth.Triangle ABC has a base
1. 1 answer
2. 1,661 views
Problem 1 (80 points) Consider a spring of equilibrium length L, lying horizontallyin a frictionless trough. The spring has
1. 2 answers
2. 597 views
if a scale factor of four is used, the points in the image will be eight times as far from the origin as at he pre-image points
1. 2 answers
2. 753 views
In the experiment you have added 50.0 mL of Ni(H2O)62+ to the calorimeter. To this you add 5.0 mL of ethlylenediamine and
1. 1 answer
2. 502 views
A carpenter agrees to work under the conditions that he is to be paid $5.50 every day he works, but must pay $6.60 every day he
1. 2 answers
2. 616 views
A merchant visited 3 fairs. At the first, he doubled his money and spent $30; at the second he tripled his money and spent $54;
1. 2 answers
2. 2,821 views
30 flasks--10 full, 10 half-empty, and 10 entirely empty--are to be divided among 3 sons so that flasks and contents should be
1. 1 answer
2. 1,436 views
Prove: If the hypotenuse and an acute angle of one triangle are congruent respectively to the hypotenuse and an acute angle of
1. 2 answers
2. 1,730 views
Show that the central cell of a normal magic square of the third order must be occupied by 5.Show that in a normal magic square
1. 0 answers
2. 967 views
1/3x + 1/8x + 1/4x + 1/5x + 10 + 1 = x
1. 1 answer
2. 269 views
While rummaging, Bernard found a figurine that he believed to be made out of silver. To test his guess, he looked up the density
1. 2 answers
2. 539 views
A piece of iron weighs 45 oz and has a volume of 10 in^3. Determine the density of iron in g/cm^3.
1. 2 answers
2. 531 views
While rummaging in his great aunt's attic, Bernard found a small figurine that he believed to be made out of silver. To test his
1. 1 answer
2. 1,027 views
The surface area of a right circular cylinder is 1200 cm^2 . If the height of the cylinder is twice its diameter, find the
1. 2 answers
2. 1,374 views
The arch is made up of equilateral triangular sections with double walls of steel 3 feet apart. Space between the walls is
1. 1 answer
2. 587 views
A right circular cone has a volume of 140 in^3. The height of the cone is the same length as the diameter of the base. Find the
1. 2 answers
2. 1,041 views
A chunk of oak firewood has a mass of about 2.85 kg and has a volume of 4100 cm^3. Determine the density of oak in g/cm^3.
1. 1 answer
2. 793 views
Two boats leave a dock at the same time. One heads due east at 20 mph, and one heads due south at 15 mph. How far apart are the
1. 2 answers
2. 1,055 views
A traverse with five sides has interior angles with the following measures: 121deg 45 min: 118 deg 25 min; 87 deg 32 min; 98deg
1. 1 answer
2. 801 views
A circular table has a diameter of 48". The table can be enlarged by inserting two rectangular leaves, each 18" wide and 48"
1. 1 answer
2. 606 views
Prove that no isosceles right triangle exists whose sides are integers.
1. 1 answer
2. 802 views
The area of a rectangle is 12 and the width is 3/4 the length. What are the dimensions?
1. 1 answer
2. 922 views
Show that z/pq = 1/pr + 1/qr, where r = (p + q)/zFinding decmpositions of a fraction into 2 units as indicated on a paprus
1. 3 answers
2. 1,237 views
Solve the system xy = 1, x + y =aby using the identity (x - y/2)^2 = (x + y/2)^2 - xy
1. 1 answer
2. 374 views
Dimensional AnalysisHow do you go from 50 kg/m to g/cm?
1. 2 answers
2. 455 views
Barb is making a bead necklace. She strings 1 white bead, then 3 blue beads, then 1 white bead, and so on. Write the numbers for
1. 35 answers
2. 5,880 views
A pizza bx with a square base is to be made from a rectangular sheet of cardboard by cutting six 1-inch square from the corners
1. 1 answer
2. 496 views
A pizza box top with a square base is to be made from a rectangular sheet of cardboard by cutting six 1-inch squares from the
1. 1 answer
2. 2,297 views
A pizza box with a square base is to be made from a rectangular sheet of cardboard by cutting six 1-inch squares from the
1. 2 answers
2. 605 views
A pizza box with a square base is to be made rom a rectangular sheet of cardborad by cutting six 1-inch squares from the corners
1. 0 answers
2. 479 views
angles of elevation to an airplane are measured from the top and the base of a building that is 40 m tall. The angle from the
1. 1 answer
2. 557 views
What is the reciprocal of .26
1. 1 answer
2. 742 views
What is wrong with this ionic equation and what is the correct way to write it?Cl2(aq)+ 2K+(aq)+2Br(aq)->Br2(aq)+ 2K+(aq)+
1. 1 answer
2. 402 views
What is wrong with this ionic equation and what is the correct way to write it?Cl2(aq)+ 2K+(aq)+2Br(aq)->Br2(aq)+ K+(aq)+
1. 0 answers
2. 401 views
I am doing a experiment with ice and i have to discuss the accuracy and precise of an uncertainy measure. How to express that
1. 1 answer
2. 347 views
(14d+16+24d)-11+2(3d-2)Please help or give formula.
1. 1 answer
2. 734 views
diameter of coin is 26 mm in length find circumference & area of coin.Is 13 the answer for circumference of coin?
1. 1 answer
2. 382 views
diameter of coin is 26 mm inlength.Find circumference & area of coin .
1. 3 answers
2. 445 views
the probability of having teams that will attract a large crowd is 0.7 and the probability of having good weather is 0.85. find
1. 1 answer
2. 465 views
__________ of the environment is a learning approach proposed by influential child development theorists. It advocates that
1. 0 answers
2. 478 views
Acetic acid has a pK of 4.8. How many mL of 0.1M acetic acid and 0.1M of sodium acetate are required to prepare 1 liter of 0.1M
1. 0 answers
2. 746 views
In store credit customer makes purchase on account for $50.00, invoice #18. What do the enteries look like using specialized
1. 0 answers
2. 941 views
Store owner makes a $80.00 purchase, goods for resale, and uses check $143. Using Specialized journals, general ledger and
1. 0 answers
2. 401 views
what does customer pays $150.00 toward account at store. What does that look like using specialized journals, general ledger and
1. 0 answers
2. 967 views
how to use specialized journals, general ledger, and subsidiary ledger sheets to ... business owner purchased $200 product on
1. 0 answers
2. 437 views
6.Given -2i is a root, determine all other roots of x^4-10x^3+42x^2-88x+80.A. x= +/- 4, 2i B.x= -2, +/- 4i C.x= -4, +/- 2 D.x=
1. 2 answers
2. 573 views
Is the word program a v/cv or double constanant?
1. 5 answers
2. 513 views
What is the value of the second 5 in 1.555?
1. 1 answer
2. 350 views
What is the word form for 1.555?
1. 3 answers
2. 527 views
In 1992, the life expectancy of males in a certain country was 68.3 years. In 1998, it was 71.1 years. Let E represent the life
1. 1 answer
2. 860 views
When I'm using 'grade' in a sentence, would it be capitalized?I.e. Jorge is in Grade 9? PS I'm Canadian, so maybe no US grammar
1. 1 answer
2. 523 views
Complete xy table if x is 1, 2, 3, _, _, 6 and Y is 10,16, _, 24, 38 then create an equation of the function represented by the
1. 1 answer
2. 454 views
Can someone please double check my answers. Any feedback would be greatly appreciated..Thanks1. By creating a committee on
1. 1 answer
2. 741 views
Could someone check my answers to see if they are correct. Any feedback would be greatly appreciated..Mrs. Hall was admitted to
1. 5 answers
2. 785 views
I have a questions that I have answered If some one could just check it Thanks.Neuron development and elaboration, which occurs
1. 2 answers
2. 630 views
One reason early childhood education centers have become increasingly important providers of health education is thatA.schools
1. 4 answers
2. 812 views
5.6 x 10 the the 5th power
1. 1 answer
2. 893 views
Please help..Can anyone please tell me who was the first author of the lyrics"Five Little Monkeys" Thank You
1. 3 answers
2. 384 views
A condition often brought on by an allergic reaction is: A: anemia B: diabetes C: asthma D: seizuresI picked C Thanks
1. 1 answer
2. 396 views
I have a questions please1.An inappropriate science activity for a toddler would be:A:reporting the weather B:caring for pets of
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2. 1,212 views
When working with special needs/learning disabled children,caregivers shoulda:provide positive role models for them b:ignore
1. 1 answer
2. 566 views
to write a 75- to 100-word response describing the role civil disobedience played in the Civil Rights Movement
1. 3 answers
2. 650 views
what impact does your eating habits have on the amount of energy with high entropy levels?
1. 0 answers
2. 490 views
Using this concept, what role do we each play in sustaining life on Earth? How do our food choices affect our own consumption of
1. 0 answers
2. 518 views
• Explain the flow of energy through the ecosystem using specific plant and animal examples. Correctly use the following terms
1. 0 answers
2. 747 views
What are the pros and cons of using Malathion pesticide????
1. 3 answers
2. 702 views

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