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Meg

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part 1 A scientist begins with 250 grams of a radioactive substance. After 250 minutes, the sample has decayed to 40 grams.
1. 1 answer
2. 145 views
The half-life of Radium-223 is 11.43 years. What is the annual decay rate? Express the result to four decimal places.
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2. 138 views
A cylindrical tank, 6 ft in radius, lies on its side parallel to and against the side of a warehouse. A ladder, which lean
1. 2 answers
2. 129 views
I need my math notes minimized shrunk to fit onto two pages. What paid or free service can do this? I need all the examples
1. 6 answers
2. 324 views
Can you please help me find ten sources (websites or books) of the connection between physics and fashion (clothing like cotton
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2. 253 views
How much horsepower would the Challenger Hellcat Redeye Widebody need to run the speed of sound arrive before the sound of its
1. 0 answers
2. 480 views
When potassium cyanide reacts with acids a deadly poisonous gas hydrogen cyanide is produced calculate the mass in grams of
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2. 520 views
A fertilizer covers 3/4 square foot in1/2 hour. What is the unit rate of Square feet per hour?
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2. 1,677 views
The Salmonella outbreak is linked to cereal. The cereal would be known as...a. Fomite b. Vehicle c. Vector d. Chronic carrier I
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2. 381 views
Why did the United States become involved in Mexico’s civil war (select 2 answers)-Relations had weakened between United
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2. 1,460 views
Could someone please help me with my homework problem...a) Give the equation for terminal speed in the variables from Stoke's
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2. 588 views
Josh pulls a sled with a force of 100-N at an angle 30° above horizontal axis. The total mass of the sled and Josh’s sister
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2. 2,288 views
a) Give the equation for terminal speed in the variables from Stoke's Law, and the densities of the sphere Ps and the fluid P1.b
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2. 757 views
In an immersion measurement of a boy’s density, he is found to have an apparent weight of 6.86-N when completely submerged in
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2. 1,231 views
I need help finding 3 of the principals of economics from the passage below. The principals are people choose, all choices
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2. 484 views
The compound iron (II) chloride trihydrate has ____ mole(s) of water for every ____ mole(s) of ionic compound.three, two two,
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2. 582 views
the probabilities that a customer will rent 0 1 2 3 and 4 DVDs on a single visit to the rental store are 0.15, 0.25, 0.3, 0.25
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2. 2,588 views
a collector enjoys artwork that includes realistic images of geographic feautres such as rivers, mountain , and plains. Which
1. 36 answers
2. 6,395 views
What are the main arguments in favor of keeping religion and government separate?
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2. 974 views
I need help please.Laurie left home and ran to the lake at 10 mi/h. she ran back home at 8 mi/h. If the entire trip took 27
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2. 2,042 views
Someone please help!!!?7. What is 1/cot(x) in terms of sine? This is what I've got so far: sin = 1/csc tan = 1/cot 1+cot2(x) =
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2. 1,249 views
5. If a trig equation has one answer, how many answers will it have? (Provided you do not restrict the domain?)6. Why are the
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2. 631 views
what is the form utility of a cupcake?please help and thanks!
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2. 733 views
Rearranging formulav-u/a=t
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2. 416 views
Rearranging formula.s=(u+v/2)t Solve for u
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2. 395 views
Adding and subtracting rational expressions.3x/x^2+x-12 - x/x^2-16
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2. 693 views
Adding and subtracting rational expressions.1/6m + 2/5m +4/m then simplify
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2. 520 views
Factoring using the GCFx^3y^4 + x^2y^2=
1. 1 answer
2. 458 views
The perimeter of a rectangle is 82 feet. Find the length and width of the rectangle if the length is 7 feet more than width.
1. 2 answers
2. 1,523 views
A farmer wants to set up a pigpen using 40 feet of fence to enclose a rectangular area of 51 square feet. Find the dimensions of
1. 1 answer
2. 1,380 views
Zoe can feed six horses in one hour. Matt takes three times as long to feed that many horses. How long will it take them
1. 1 answer
2. 367 views
320.0 gallons of 15 M nitric acid were added to a lake. The initial pH p the lake was 6.30 and the final pH was 4.60. What is
1. 1 answer
2. 529 views
I am thinking of a number. I multiply it by 8 and add 15. I get the same answer if I multiply by 2 and add 81.
1. 2 answers
2. 977 views
A salad dressing is 30% peanut oil. Rosie Wants To Make 3 CUPS OF DRESSING. How much peanut oil does she need?
1. 3 answers
2. 884 views
Hi Ms. Sue. My daughter Sam just started multiplication and is having trouble with the problem 2 times 2. Can you explain how to
1. 2 answers
2. 473 views
Would the reciprocal of .125 be this answer: 1/ 0.125 or 8
1. 2 answers
2. 505 views
Can you help me with this? the reciprocal of .125 is what number? would the answer be 1/8?
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2. 483 views
for 625% of 50, is the answer 312.5?
1. 3 answers
2. 303 views
17 1/9 decreased by what number is 5 2/3?
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2. 451 views
I need help please. What percent of 990 is 33?
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2. 367 views
A sprinkler mounted on the ground sends out a jet of water at a 20 ∘ angle to the horizontal. The water leaves the nozzle at a
1. 2 answers
2. 735 views
A skier is gliding along at 2.0 m/s on horizontal, frictionless snow. He suddenly starts down a 10 ∘ incline. His speed at the
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2. 756 views
Find the horizontal and vertical asymptotes of the curve.y = 2x^2+x−1/x^2+x−42 x=? (smaller x-value) x=? (larger x-value)
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2. 536 views
Find the horizontal and vertical asymptotes of the curve.y = 4+x^4/x^2−x^4 x=? (smallest x-value) x=? x=? (largest x-value)
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2. 596 views
What number am I? When you devide me by 5, the remainder is 4. I have two digits that are odd. And the sum of my digits is 10
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2. 437 views
Set up a Hess’s law cycle, and use the following information to calculate ΔH∘f for aqueous nitric acid, HNO3(aq). You will
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2. 1,087 views
An object with mass 8.5kg is moving vertically upward with a velocity if 35m/s at a height of 100m above the ground.Find the
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2. 632 views
A tree casts a 36 ft shadow. The angle of depression from the top of the tree to the tip of the shadow is 25°. Find the height
1. 1 answer
2. 994 views
An equilibrium mixture in a 10.0 L flask contains 7.0 mol HI(g) and 1.0 mol each of I2(g) and H2(g). If 2.5 mol H2, 5.0 mol I2
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2. 530 views
What is the first natural number that is a perfect squareand a perfect cube? Can you find the second? The third?
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2. 659 views
Minnie is painting her walkincloset. Each gallon of paint covers 275 square feet. The closet is in the shape of a right
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2. 946 views
A motorist drives north for 33.0 minutes at 77.0 km/h and then stops for 15.0 minutes. He then continues north, traveling 130 km
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2. 714 views
5. On the basis of a solubility curve for KNO3 what type of substance would you expect KNO3 to be?Choices: solid liquid gas It
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2. 847 views
A book that is 13 in. tall is leaning against the edge of a wall. If the bottom of the book is 5 inches from the wall, how far
1. 2 answers
2. 1,171 views
Have a hoop (15kg) with a radius of 1.5m. Angular speed is 5 rad/s. What is the total KE possessed by the hoop? The hoop begins
1. 1 answer
2. 455 views
Rank the following in terms of increasing ﬁrstionization energy. 1. Na, Mg, N, O, F 2. F, N, O, Mg, N 3. F, O, N, Mg, Na 4. O,
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2. 1,372 views
Suppose the solubility of PbCl2 (s) 5.6 x 10^-2 M. Calculate the ksp
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2. 537 views
Two dice are tossed. What is the probability that the sum of both dice is a prime number?This is what I have so far Presuming
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2. 1,921 views
The postal service places a limit of 84 inches on the combined lenght and girth (distance around) of a package to be sen parcel
1. 1 answer
2. 5,564 views
Make the number 500 by mathematically combining eight 4's. You may use addition, subtraction, multiplication and division. You
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2. 676 views
You put $1700 into an account at 8% per year compounded continuously.a) How long will it be until you have $2000? b) What is the
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2. 501 views
You put $1700 into an account at 8% per year compounded continuously.a) How long will it be until you have $2000? b) What is the
1. 1 answer
2. 445 views
Can someone please assist meThe problem reads "use the rule of 78 to find the payoff amount for the loan paid in full before the
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2. 431 views
Which would be more beneficial for someone (who intends on going to a university) to take senior year of high school: AP
1. 2 answers
2. 362 views
Find the position and velocity of a particle at t = 1.92 s if the particle is initially moving east at a speed of 18.4 m/s and
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2. 1,153 views
320 + 16x = x^2
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2. 297 views
A massless spring of constant k =84.8 N/m is fixed on the left side of a level track. A block of mass m = 0.5 kg is pressed
1. 1 answer
2. 1,118 views
: A massless spring of constant k =84.8 N/m is fixed on the left side of a level track. A block of mass m = 0.5 kg is pressed
1. 0 answers
2. 566 views
Laird Company sells coffee makers used in business offices. Its beginning inventory of coffee makers was 200 units at $41 per
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2. 673 views
The repeated node internode node pattern of construction is typical of what part of an angiosperm plant?
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2. 366 views
If 3.4 mol of methane is heated so that the temperature of the gas increases 45 K while its pressure remains constant, how much
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2. 448 views
A child pushes a merry-go-round with a force of 55.0 N at an angle tangent to the circle (that is, perpendicular to a radius).
1. 1 answer
2. 456 views
A child pushes a merry-go-round with a force of 55.0 N at an angle tangent to the circle (that is, perpendicular to a radius).
1. 1 answer
2. 760 views
Find n if t(n) is approximately 10,832 in the geometric sequence with first term 83 and a common ration 1.07
1. 1 answer
2. 392 views
Find a decimal approx for S (sub 15) in the geometric sequence with first term 83 and common ratio 1.07
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2. 611 views
a bag contains 9 red marbles and 4 blue marbles. how many clear marbles should be added to the bag so the probibility of drawing
1. 1 answer
2. 542 views
a box is dropped off a tall building. At what time after release is it falling 15 m/s?
1. 2 answers
2. 378 views
Consider two cars, a very large one like a Hummer (mass 5m) and a small one like a Mini Cooper (mass m), both starting at the
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2. 620 views
Is a medical diagnosis considered a theory or a hypothesis?
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2. 533 views
A 100.0-mL aliquot of 0.100 M diprotic acid H2A (pK1 = 4.00, pK2 = 8.00) was titrated with 1.00 m NaOH. Find the pH at the
1. 1 answer
2. 1,880 views
How can I efficiently study for a Calculus test with 8 sections?
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2. 446 views
how to solve proper time interval?Proper length?thank you:D
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2. 432 views
Write the conversation in present perfect tense:1. das konzert/ euch/ gefallen/? 2. ja,/ die Band/ tolol/ spielen 3. was/ du/
1. 2 answers
2. 567 views
the specific heat of aluminum is 0.900 J/g degrees celsius. how much energy is required to heat 45.0g of aluminum from 20.0
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2. 2,154 views
to heat 12.4g of water from 20.0 degrees celsius to 25.0 degrees celsius requires ?a. 259 J b. 1300 J c. 040 J d. 1050 J
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2. 730 views
It says to multiply.2y and 14x^5y ___ ______ 7x^2 y^5
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2. 363 views
523.3 repeating rounded?
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2. 440 views
The foot of a 30-foot ladder is being pulled away from a vertical wall at a rate of 1 foot per minute. When the top of the
1. 4 answers
2. 850 views
PLEASE HELP ME, I HAVE AN EXAM TOMORROW AND THIS THE ONLY QUESTION I HAVE. THE AREA OF A REGULAR HEXAGON IS 35 IN SQUARED. FIND
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2. 661 views
The area of a regular hexagon is 35in.2. Find the length of the side.
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2. 1,758 views
a roof rises 2.4 feet vertically and 7.3 feet horizontally. what is the grade of the roof?
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2. 823 views
Find and identify the location of the extreme points of f(x)=8xln4x
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2. 333 views
Use a tangent function to estimate the grade resistance of a 2200-lb car travelling on a 2.4° grade. Round your answer to the
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2. 769 views
Use a tangent function to estimate the grade resistance of a 2200-lb car travelling on a 2.4° grade. Round your answer to the
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2. 429 views
Try to create a catchy headline about a different animal. Consider using puns, sound devices, or other plays on words.Please can
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2. 493 views
a ferris wheel has a radius of 10m and is one meter above the ground. If the ferris wheel makes 1 revolution every 20 seconds,
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2. 1,520 views
How do you solve 3= 9 =6yx 2x+5 20
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2. 281 views
Prove that if p is a prime number and p is not equal to 3, then 3 divides p^2 + 2. (Hint: When p is divided by 3, the remainder
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2. 696 views
Prove that if x and y are nonnegative real numbers, then (x+y)/2 ≥ sqrt(xy).Use the technique of working backward from the
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2. 1,234 views
The radius of Xe is 1.3*10^-8 cm. A 100-mL flask is filled with Xe at a pressure of 1.4 atm and the temperature is 290 K.
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2. 549 views

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