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charles
Questions (104)
A feather is dropped onto the surface of the moon. How far will the feather have fallen if it reaches the surface in 9.00
1 answer
127 views
Which numberline shows the solution x>7
1 answer
190 views
With continuous compounding at 8 percent for 20 years, what is the approximate future value of a N$20,000 initial investment?
1 answer
616 views
Why did the union want to capture Vicksburg? A. to prevent trains from getting through. B. to shut down the textile mills here.
1 answer
592 views
a drop of oil of volume 000000000•1m spreads out on water to make a circular film of radius 0•1m what is the thickness of
1 answer
447 views
write down the first four terms of the binomial expansion of (1-y)^8 in ascending power of y.By putting y=1/2x(1-x) in your
2 answers
3,693 views
solve :log (12x-10)=1+log2(4x+3)
3 answers
1,266 views
the first, second and fifth term of a linear sequence is/are three consecutive termsof an exponential sequence, if the first
2 answers
1,764 views
solve
7x = 42 show your work help plz
1 answer
459 views
The given box plots show the number of text messages Paul and Sally received each day on their cell phones.
Select the true
1 answer
2,333 views
Nutritional Information: protein = 4 grams, carbohydrate = 4 grams, fat = 9 grams.
If a banana has 27 grams of carbohydrates and
2 answers
794 views
protein = 4 calories per gram
carbohydrate = 4 calories per gram fat = 9 calories per gram A serving of chicken has 27 grams of
1 answer
2,447 views
7th percent intrest semianually
give values for the follow amount of time -0.5 1 1.5 2 2.5 3
1 answer
385 views
Investment: collectable toys
Current yield 5% per month Rick: Extreamly high Your inital value is 1000 dollars what is the
2 answers
407 views
If a man weighs 600 N on the Earth, what would he weigh on Jupiter, where the free-fall acceleration is 25.9 m/s2?
1 answer
1,459 views
A girl starts from point A and walks 285m to B on a bearing of 078.She then walks due south to a point C which is 307m from A.
4 answers
3,235 views
A man walks due west for 4km. He then changes direction and walks on a bearing of 179 until he is south-west of his starting
2 answers
2,683 views
The length by the width of Roxie's photo is 24 cm long and 14 cm wide. In order to make a photo that will fit into a wallet, the
2 answers
947 views
The mean of Alice's last 5 math test scores is 88. The first 4 of these 5 math test scores were 87, 75, 93, and 85. What score
1 answer
532 views
a gas occupies a volume of 50.0mL at degrees Celsius and 630mmHg.at what temperature in degrees Celsius would the pressure be
2 answers
648 views
Determine the Cartesian form of the equation r^2 cos theta -cos3theta
1 answer
356 views
two strips of fabric measure 14 2/3 inches and 20 7/8 inches in length. to form one length, the strips are sew together using
2 answers
1,320 views
A jar contains 6 red, 7 white, and 7 blue marbles. If a marble chosen at random. Find the following probabilities?
A)P(red)
1 answer
1,065 views
In isosceles right triangle ABC, point D is on hypotenuse BC such that AD is an altitude of triangle ABC and DC = 5. What is the
4 answers
1,101 views
I need help making this question into a equation? A cable television company charges $15 plus $5 each for extra services and now
0 answers
405 views
A 0.109g sample of a pure gaseous compound occupies 112ml at 100degrees and 750torr: what is the molecular weight of the
2 answers
2,009 views
the surface tension Y, of liquid depends on the density,P, acceleration of gravity,g, and the height, h. use the method of
1 answer
1,050 views
a sphere of radius r moving with
velocity v through a fluid experiences a retarding force f given by F=6r^yv^zn^x where n is the
3 answers
2,519 views
The vertical and horizontal component of the initial velocity of a projectile are 36m/s and 64m/s. Find the initial velocity and
1 answer
943 views
suppose you are offered two identical jobs: one paying a starting salary of $40,000 with yearly raises of $2,000 and one paying
0 answers
1,561 views
a girl throws a ball vertically upward with a speed of 20 ft/sec from the roof of a building 60 ft high.(a)how long will it take
1 answer
618 views
Find the derivative of d^2Y/dx^2 of y=e^2t and x=cost^2 and leave your answer in terms of x and y
1 answer
366 views
Air is pumped into a spherical balloon at the rate of 20cm^3/s^-1.find the rate of change of radius of the balloon when the
1 answer
981 views
3 students; A, B and C, are in a swimming race. A and B have the same probability of winning and each is twice as likely to win
1 answer
3,962 views
How would your experimental formula of magnesium chloride “MgClx” have been affected if
your product was not dried completely
4 answers
4,404 views
investigation to determine whether expired air contains carbondioxide
0 answers
532 views
consider a vertical piston system. the piston has a 50g mass and a given radius of 3mm. what amount of pressure does the piston
1 answer
4,593 views
what is the surface area of a cube with sides measuring 2 inches?
1 answer
493 views
Choose the correct sentence pattern for the sentence below.
I hereby declare Tuesday Shakespeare Day.
2 answers
3,398 views
A 75-g piece of aluminum at 89 °C is dropped in 1.0 L of water at 1.3 101 °C, which is in an insulated beaker. Assuming that
0 answers
460 views
Gina's art teacher mixes 9 pints of yellow paint with 6 pints of blue paint. Did Gina use the same ratio of yellow paint to blue
7 answers
660 views
taryn and alastair both mow lawns. Each charges a flat fee to mow a lawn. The table shows the number of lawns in the past week,
24 answers
7,956 views
1/3 / 7/9
=1/3 * 9/7 =9/21 is this right??
2 answers
330 views
1 3/5 - 5/6
=8/5 - 6/5 =2/5 or is it =1/3/5 - 5/6 =48/30 - 25/30 =23/30 I don't know which one is right. Pleas e help!
3 answers
406 views
3/8 + 2 1/2
=3/8 + 5/2 =8/10 =4/5
3 answers
284 views
5/7 *9/10
=63/70 =9/10
4 answers
379 views
5/7 * 9/10
= 50/70 * 63/70 =3150/70 =45
3 answers
330 views
4/5 * 3/4 =
=16/20 * 15/20 =240/20 =12 is this right?
3 answers
440 views
A jar contains 133 pennies. A bigger jar contains 1 2/7 times as many pennies. What is the value of the pennies in the bigger
5 answers
2,237 views
Mark wants to paint a mural. He has 1 1/3 gallons of yellow paint, 1 1/4 green paint, and 7/8 gallon of blue paint. mark plans
15 answers
4,385 views
Melina walked her dog 2 1/5 miles. Cathy walked her dog 1 3/4 times as far as Melania did. How many more miles did Cathy walk
5 answers
1,661 views
In the combustion of hydrogen gas, hydrogen reacts with oxygen from the air to form water vapor.
If you burn 54.8 g of hydrogen
3 answers
1,227 views
With brakes fully applied, a 1370 kg car deccelerates from a speed of 98.0 km/hr. What is the work done by the braking force in
1 answer
1,382 views
A force of 1.57 N pushes against an object with a mass of 0.16 kg for 3.00 min. The object does not move. What is the work done
1 answer
897 views
What is the mass of water obtained when mix 100.0 mL of 2.5 M. HNO3 with 100.0 mL of 2.55 M. KOH?
1 answer
387 views
Calculate the mass of oxygen (in mg) dissolved in a 5.00 L bucket of water exposed to a pressure of 1.13 atm of air. Assume the
4 answers
7,586 views
f (x) = (50-w) (75-w)?
1 answer
239 views
{distinct letters in the word food}
4 answers
1,066 views
determine the pressure of a 20 lb force is applied to an area of 10 inch squared
1 answer
366 views
determine the pressure of a 20 lb force is applied to an area of 10 inch squared
0 answers
319 views
Dents and Dings Auto Body buys paint with a list price of $29,000. If the supplier extends trade discounts of 30/35/20, what is
2 answers
4,779 views
In the simple economics of a competitive market price increases under which condition?
1 answer
412 views
slope intercept form of x + 3y + -6
1 answer
295 views
Calculate the mass in grams for a sample of water that absorbs 8200J when its temperature rises from 20.4∘C to 93.8∘C.
1 answer
395 views
How do I identify the initial value and the growth or decay for these problems?
a) Q=25000 x (1/2)^t b) y=350 x 5* c) N=5000 x
0 answers
377 views
5 ways in which the human or enviromental problem impacts on the community.
1 answer
399 views
A generic salt, AB, has a molar mass of 293 g/mol and a solubility of 2.20 g/L at 25 °C. What is the Ksp of this salt at 25
1 answer
889 views
A generic salt, AB, has a molar mass of 293 g/mol and a solubility of 2.20 g/L at 25 °C. What is the Ksp of this salt at 25
0 answers
514 views
What is natural law?
1 answer
302 views
what is the speed of a runner who can run 400 metre in 76 seconds
1 answer
330 views
1.As the 1st quantity increases, the 2nd quantity also increases.
2.As the 1st quantity increases, the second quantity decreases.
1 answer
421 views
5x/9-11=-51
1 answer
700 views
Explain the working principle of a sliding door on a horizontal surface on the floor.
0 answers
330 views
if a neutral shere and a sphere with a charge of 14 C are brought together, then separated, what would be the charge on each
0 answers
656 views
You think that the best sampling strategy is stratified sampling. Youd like to list the characteristics of schools in this
0 answers
560 views
Bairleys rectangular dog pen for his irish setter must have an area of 400 square feet. Also the length must be 50 feet longer
0 answers
518 views
Having trouble solving:
w^2 +5w -40
1 answer
402 views
List three states that don't have ports on the atlantic ocean
2 answers
630 views
1. The statement 3x – 4 = 2x + 9 is called .
1 answer
330 views
first term and larst term of a geometric progression is 42.if the forth term is greater than the second term by 168, find the
3 answers
1,422 views
-3/4-1/5
1 answer
231 views
Write a paragraph explaining how to find the surface area of a cone with height 10 in. and base radius 8 in
1 answer
481 views
Someone help 2500(1.65)^12=
1 answer
351 views
2,500(1.65)^12=
1 answer
285 views
find the total surface area where a cone has a height of 16cm and the diameter of the base is 24
1 answer
606 views
How do you make this sign on he computer
√
1 answer
320 views
Is this problem correct
Answer: 0.90^5 = 0.6562
1 answer
337 views
4(x+3)=2(x-6)
4x+12=2x-12 2x+12=-12 2x=-24 x=-12 is this textbook example correct?
2 answers
302 views
the time between unplanned shutdowns of a power plant has an exponential distribution with a mean of 20 days. Find the
1 answer
872 views
given an exponential distribution with mean = 30 what is the probability that the arrival time is a) less than X = 0.1 B)
0 answers
549 views
if you have a bill of 1.346 pesos
how can you equal each person in 5 family per head? example.family of Joseph-3 family of Ben -2
1 answer
1,128 views
in a circle,a 90 dagree sector has an area of 36 pie ft squared.what is the radius of the circle ???
1 answer
507 views
a hammer was released from rest vi=0m/s taking 1.12 seconds to fall 1 meter. How do you solve that
1 answer
316 views
an engine block of mass 275kg rest on a plane which is inclined at 13 degrees to the horizontal.if the plane can be tilted to a
1 answer
482 views
if you went 10000 meters in 25 min what is the average speed
1 answer
325 views
if you went 10000 meters in 25 min what is the average speed
1 answer
299 views
2 cos x - 1 =0
2 answers
331 views
1. CheckPoint: Identifying Fallacies
• Resource: Ch. 6 End-of-Chapter Exercises and the Answers, Suggestions, and Tips for
2 answers
713 views
A woman wants to take her fox, chicken, and bag of corn across the river in her canoe. The canoe can hold only one thing in
3 answers
1,492 views
A woman wants to take her fox, chicken, and bag of corn across the river in her canoe. The canoe can hold only one thing in
1 answer
501 views
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