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bob
Questions and answers by
bob
, page 7
Questions (2,063)
Anne wants to tie a support line from the top of a 50 foot radio tower to an anchor spot 30 feet from the tower’s base.
4 answers
4,299 views
Imagine that there is a fire in your house or apartment, and you only have 5 minutes to grab your possessions and get out.
1 answer
436 views
Find the remainder when 33! is divided by 37.
Please give full solution.
4 answers
608 views
The sentence "P �¨ Q" is read as (Points : 1)
P or Q P and Q If P then Q Q if and only
1 answer
264 views
Scientists generally agree that Earth is getting warmer due to what's called the greenhouse effect. A greenhouse used for plants
6 answers
3,918 views
Write the " 7−2" expression so that no answer includes negative exponents. Assume the variables are nonzero
1 answer
402 views
If BC = 16 and AC = 29, find AB.
2 answers
586 views
Networks are often set up in the client/server network arrangement. Raheem has learned that this is a very common type of
1 answer
473 views
if you are stuck in the middle of a frictionless frozen lake with only your backpack, how can you get back safely to solid
4 answers
2,079 views
if you are stuck in the middle of a frictionless frozen lake with only your backpack, how can you get back safely to solid
2 answers
604 views
if you are stuck in the middle of a frictionless frozen lake with only your backpack, how can you get back safely to solid
1 answer
491 views
Help a brother out!!! please!!!Nitroglycerin, C3H5N3O9 decomposes to form N2,CO2,H2O, and O2
4(C3H5N3O9)-> 6N2+12O2+10H20+O2
3 answers
659 views
How many grams of NH3 are required to make 52.7g H2O in the following reaction : 4NH3+6NO->5N2+6H2O
2 answers
524 views
What is a possible hypothesis that could be tested in the Atomic Theory lab?
1 answer
337 views
Let x,y,z be positive real numbers such that:
xyz=945 x(y+1)+y(z+1)+z(x+1)=385. What is the minimum possible value of z+y/2+x/4?
1 answer
309 views
The type of accounting concerned with providing information and analyses to managers
within the organization is referred to as
2 answers
566 views
What is the standard form of the quadratic function that has a vertex of (-3, -27)?
1 answer
877 views
what is a catalyst converter
1 answer
338 views
Could somebody help me I don't understand any of this. Could someone show me or tell me how to work the problems?
1. Find the
14 answers
3,156 views
A hockey puck sliding on a frozen lake comes
to rest after traveling 272 m. If its initial velocity is 3 m/s, what is its
2 answers
560 views
Net force F causes mass m1 to accelerate at rate a. A net force of 3F causes mass m2 to accelerate at rate 2a. What is the ratio
6 answers
5,430 views
Sheila is going to divide a 36-inch piece of ribbon into 5 equal pieces.She says each piece will be 7 inches long.whats the
4 answers
1,068 views
A gyroscope consists of a uniform disc of mass radius M= 1 kg and radius R= 0.3 m . The disc spins with an angular speed ω= 200
2 answers
556 views
what would be an example of a parameter? i'm confused. i'm given this problem:
How much time do undergraduate students at GMU
1 answer
394 views
*The below is a scenario in which I have to make an IRAC for (not sure if you know what that is) but read the scenario and see
1 answer
480 views
the honeyguide bird leading the honey badger to the bees hive, both eat meat what is the symbiosis for this
2 answers
717 views
lcm of two numbers
pi/3 pi/2 How do I do it? Would it be pi or pi/6? Thanks
7 answers
5,585 views
sin(x+90) = ?
cos(x+90) = ? Would the first equal like -sin(x)? Would the second equal uh -cos(x)? I'm not quite sure :/
1 answer
401 views
Solve the problem. Round to the nearest tenth unless indicated otherwise. The amount of rainfall in January in a certain city is
2 answers
958 views
A spring with a force constant of 5.4 N/m has
a relaxed length of 2.63 m. When a mass is attached to the end of the spring and
4 answers
2,673 views
An unknown substance has a mass of 28.1 g. The temperature of the substance increases by 16.3 degrees Celsius when 176 J of heat
3 answers
721 views
The perimeter of a pool is 64 feet and has a width of x and a length of x-4. Write an equation and find both the width and
3 answers
486 views
Find the force of gravity between a newborn baby (mass = 2.9kg ) and the planet Mars (mass = 6.4×1023kg), when Mars is at its
2 answers
548 views
ind the force of gravity between a newborn baby (mass = 2.9kg ) and the planet Mars (mass = 6.4×10^23kg), when Mars is at its
1 answer
411 views
Oregon is about 400 miles from west to east, and 300 miles from north to south. If the image of Oregon on a map is 15 inches
2 answers
581 views
1.What two things happen to particles in a substance when the substance is heated?
2. What are the three most common states of
2 answers
820 views
A manufacturer produces a 4-cup and 8-cup coffee maker. The 4-cup maker takes 6 hours to produce and the 8-cup takes 9 hours.
2 answers
540 views
Phosphoric acid is a triprotic acid, so H3PO4, H2PO4 -, and HPO4 2- are all acids. Which of the solutions below would have the
4 answers
3,289 views
what is an equation of the conic section x^2+y^2=16 after a rotation of 45 degrees about the origin.
A. (x')^2+(y')^2=16 B.
2 answers
599 views
I need help to answer this question?
You want to determine the profit-maximizing production quantity for a monopolist. You can
4 answers
582 views
You want to determine the profit-maximizing production quantity for a monopolist. You can ask the firm's consultant to draw the
1 answer
525 views
the drawing below measures 7.8 cm by
6.2 cm what is the perimeter in meters? scale 1cm=10m the drawing is square
5 answers
829 views
unscramble - qobusteiu
3 answers
439 views
if 7 moles O2 are used, houch energy is produced?
1 answer
293 views
For a normal curve, what percentage of values falls beyond two standard deviations from the mean?
3 answers
545 views
The number of vacation days taken by employees of a company is normally distributed with a mean of 14 days and a standard
2 answers
675 views
The number of vacation days taken by employees of a company is normally distributed with a mean of 14 days and a standard
4 answers
1,297 views
A fire hose exerts a force on the person holding it. This is because the water accelerates as it goes from the hose through the
1 answer
946 views
i'm thinking of two numbers, x and y. The sum of 4x and 1 is y. The sum of y and twice x is 13. Find x and y.
1 answer
343 views
Perform a one-way ANOVA analysis, testing at the 0.05 level. Also, calculate the mean number of sick days for each group.
1 answer
525 views
convert y=2x^2+5x-5 into vertex form
1 answer
400 views
the daily milk production for a certain type of dairy cow has a mean of 43 pounds per day with a standard diviation of 5 pounds
2 answers
525 views
what is the equation of a parabola whose vertex is (6,0) and whose graph is half as tall as y=x^2 and opens upside down
1 answer
411 views
a report says 65% of vechiles sold were SUV's.
A random sample of 100 vechiles sold in last month is taken. Use the central limit
1 answer
420 views
mr darwin who is found of gardening is pushing a wheelbarrow with a force of 5.0 newtons. there are 11.4 newtons worth of horse
2 answers
638 views
-10+8=8+(-10) name the property illustrated
3 answers
635 views
simplify and state any restrictions:
1. x+3/x^2+11x+24 - 2x+10/x^2+11x+30 answer: -x-10/(x+8)(x+6) 2. x-4/x^2-8x+16 +
6 answers
525 views
A child rides a toboggan down a hill that
descends at an angle of 20.7◦ to the horizontal. The hill is 18.2 m long. What is the
3 answers
512 views
A helium balloon contains 0.30g of helium.
Given the molecular weight of helium is 4.0 g/mol, how many moles of helium does it
2 answers
963 views
A mothball, composed of naphthalene (C10H8), has a mass of 1.10g
2 answers
785 views
_______ is the tendency for the fluids to resist flow.______________ water is more vicious than warmer water, allowing floating
4 answers
1,185 views
A solution contains an unknown amount of dissolved magnesium. Addition of 5.34×10−2mol of Na2CO3 causes complete
3 answers
999 views
5 (x + 10) + x ??
6x + 15 5x + 15 6x + 50 4x - 50
1 answer
395 views
A congressional committie has of 8 senators and 7 representatives. How many ways can a subcomittie of 6 be formed from the full
1 answer
415 views
The probability that a football game will go into overtime is 18%. In 140 randomly selected football games, what is the mean and
1 answer
1,071 views
A water trough is 7 m long and has a cross-section in the shape of an isosceles trapezoid that is 40 cm wide at the bottom, 100
3 answers
841 views
should my calculated bulk modulus of a liquid be (-)? the lookup tables i'm comparing the results too have positive values, or
2 answers
492 views
Have a new tutor who has failed to teach us most of his assignment, I've finally got stuck on derivation of the formula
1 answer
389 views
Andy hit three less field goals than three times the number of field goals Gary hit. Together, they scored 17 field goals. Write
3 answers
385 views
A piece of putty of mass m = 0.75 kg and velocity v = 2.5 m/s moves on a horizontal frictionless surface. It collides with and
4 answers
4,685 views
Tom is making meatloaf with 3/4 pound of turkey and 5/6 pound of ground beef. What is the LCM he should use to find the total
7 answers
1,428 views
•math - Ms. Sue, Sunday, November 16, 2014 at 12:39pm
12 •math - bob, Sunday, November 16, 2014 at 12:56pm Ms. Sue can you
2 answers
688 views
A ball with radius 12cm rolls on a level surface, and the translational speed of the center of mass is 0.35 m/s.
What is the
2 answers
589 views
A solid disk rotates in the horizontal plane at an angular velocity of 0.040 rad/s with respect to an axis perpendicular to the
2 answers
581 views
what is 1/3 divide 5/8
1 answer
247 views
Three blocks A, B, and C are connected by two massless strings passing over smooth pulleys as shown below, with the 3.4-kg block
3 answers
1,706 views
Gina's art teacher mixes 9 pints of yellow paint with 6 pints of blue paint to create green paint. Gina mixes 4 pints of yellow
2 answers
507 views
Calculate the oxygen ppm concentration of a 3.50 kg sample of lake water that comtains 2.34 mg of dissolved oxygen
7 answers
629 views
an employee is paid $3600 for the first month. she is paid an additional 1% at the end of the second month, which means a total
4 answers
655 views
the third term of a geometric sequence is 25 and the eighth term is 25/32. find a, r, and t
4 answers
726 views
the wheel of a bicycle has a diameterof 72 cm and are rotating with an angular velocity of 12 rad/s. determine how much time the
1 answer
469 views
find unknown number in the following equation 9/10 - x +1/5 what is x
1 answer
357 views
repost find unknown number in the equation 9/10 - x = 1/5
1 answer
324 views
Samuel and Jason 3/4 of the combined earnings from Wednesday to buy a gift. how much do they spend? Is there enough left over
4 answers
591 views
A countertop is 16 feet long and 3 feet wide
13 answers
2,665 views
How many square yards of carpeting are needed to cover the floor of a rectangular room that is 21 ft. long and 12 ft. wide?
4 answers
2,844 views
An office supply company is shipping a case of wooden pencils to a store. there are 64 boxes of pencils in the case. If each of
4 answers
915 views
List x1, x2, x3, x4 where xi is the right endpoint of the four equal intervals used to estimate the area under the curve of f(x)
3 answers
1,731 views
A cat usually lands on its feet regardless of the position from which it is dropped. A slow-motion film of a cat falling shows
2 answers
568 views
have 2 || lines C and d. lines intersect lines are a and b. On a, has 2 alternate interior <s 95 and x; 2 al. exterior <s 95 and
1 answer
488 views
the isotope has a very short life of 13 half-life days.
estimate the percentage of the original amount of the isotope released by
2 answers
538 views
jamie is joining a music club as part of her 4-cd introductory package she can choose from 12 rock selection, 10 alternative
1 answer
1,002 views
select one acid, one base, and one salt and describe specifically how and where they are used in therapeutic processes.
1 answer
323 views
logb3=1.099
logb8=2.079 find logb216 i am just lost on what to do
2 answers
1,124 views
If one bag of skittles contains 1 and 1/4 cups then how many bags of skittles would 12 cups of skittles be divided into?
1 answer
378 views
A basic amino acid,arginine,has a molar mass of 174g.mol^-1.it has the following percentage composition:41,38% carbon, 18,39% of
4 answers
asked by
bob
1,907 views
Sam is four years younger than Jo. But in five years' time Jo will be twice Sam's age now. How old are they now?
2 answers
512 views
A country's population in 1995 was 175 million. In 2000 it was 181 million. Estimate the population in 2020 using the
5 answers
1,338 views
Simply the equation:
2x^4y^0z^2/(yz^2)^-2 x 2zx^2y^-4 Can you help? I got the denominator to be y^-6 x 2z^5 x x^2 When I solved
3 answers
279 views
Can you simplify
(2x^-4 y^-1 times 2y^4 z^-1)^-2/ 2yx^3 z^0 I got the numerator to be 16x^16 y^17 z and then divided by the
1 answer
380 views
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