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Danielle
Questions (431)
An airplane is flying at a speed of
350 mi/h at an altitude of one mile. The plane passes directly above a radar station at time
0 answers
840 views
You have a $50 coupon from the
manufacturer good for the purchase of a cell phone. The store where you are purchasing your cell
2 answers
1,517 views
Tina can paint a room in 8 hours, but when she and her friend Emily work together, they can complete the job in 3 hours. How
1 answer
828 views
determine whether the equation defines y as a function of x.
√x + y = 12
1 answer
557 views
A taxi company charges $2.00 for the
first mile (or part of a mile) and 20 cents for each succeeding tenth of a mile (or part).
2 answers
5,907 views
Read the DNA sequence given below in the 3' to 5' direction and please tell me all of the potential start codons (i.e. every
0 answers
549 views
What 3' to 5' DNA sequence would correspond to a 5'-AUG-3' start codon?
0 answers
557 views
(This question ties into the previous question I posted about mRNA).
Use the Universal triplet code to determine the sequence of
0 answers
539 views
Does it matter which strand is the 'code strand'? The following two sequences look identical, except one runs 3'-5' and the
1 answer
1,056 views
For the DNA sequence given below, write the complementary DNA sequence that would compliment the double-strand
DNA
0 answers
697 views
why is the line <x,y,z>=<8,9,10>+t<3,4,5> perpendicular to the plane 3x=4y+5z=10
2 answers
407 views
You are instructed to create 800. mL of a 0.69 M phosphate buffer with a pH of 7.6. You have phosphoric acid and the sodium
1 answer
1,642 views
Candy and Tim share a paper route. It takes Candy 70 min to deliver all the papers, and it takes Tim 80 min.
How long does it
1 answer
621 views
Jack invests $1000 at a certain annual interest rate, and he invests another $2000 at an annual rate that is one-half percent
1 answer
1,289 views
solve nonlinear inequality
x^4 > x^2
1 answer
372 views
ax+b/cx+d=2
solve for x
1 answer
591 views
ax+b/cx+d=2
solve for x
0 answers
357 views
a+1 a-1 B+1
_________ = _______ + _________ B B a Solve for A. Note: I set up problems with underlines so they can look like
1 answer
620 views
Every moment of every day, light pours out from the Sun at the center of our solar system and travels to Earth. It does not
1 answer
901 views
If 10.0 mL of 0.18 M MgCl2 are mixed with 20.1 mL of 0.56 M NaOH, what will be the final concentration of Mg2+ in solution when
1 answer
503 views
If 10.0 mL of 0.18 M MgCl2 are mixed with 20.1 mL of 0.56 M NaOH, what will be the final concentration of Mg2+ in solution when
0 answers
424 views
What [Ag1+] is required to start precipitation of AgOH from a saturated solution of Mg(OH)2? Ksp = 2.4 ✕ 10-8 for AgOH and Ksp
1 answer
896 views
please simplify
(1/1+x+h) - (1 /1+x ) divided by h
1 answer
367 views
Simplify the rational expression
3 (1 + x)^1/3 - x (1 + x)^-2/3 divided by (1 + x)^2/3
2 answers
495 views
State whether the given equation is true for all values of the variables (disregard any value that makes a denominator zero)
equa
1 answer
917 views
Vernon drew an 8in. Wide by 5in.tall picture that will be turned into a 48 ft wide billboard.How tall will the actual billboard
2 answers
638 views
How many Cl- ions are present in 2.35 mol of CaCl2 and please show steps ! Need help so I can study for a huge test tomorrow
1 answer
533 views
In the following problem, check that it is appropriate to use the normal approximation to the binomial. Then use the normal
1 answer
1,727 views
Find x-values if any at which the function f(x)=13x^2-15x-15 is not continuous. Which of the discontinuities are removable?
THANK
5 answers
1,255 views
A person stands on a bridge that is 100 feet above a river.
If she drops a pebble how fast is it moving after 2 seconds? How long
1 answer
1,301 views
A speaker has a collection of 62 jokes. He uses 3 jokes in each speech.
Please help i got a is 37820 but really need help with
4 answers
1,987 views
A sociology seminar has 7 members
(a) They begin each meeting with each member shaking hands with all the other members. No one
2 answers
1,456 views
A current of 2.34 A is delivered to an electrolytic cell for 85 minutes. How many grams of Au will be deposited from an aqueous
2 answers
798 views
A current of 2.34 A is delivered to an electrolytic cell for 85 minutes. How many grams of Au will be deposited from an aqueous
0 answers
546 views
what will be the internal pressure causes by hydrogen gas when 5.00 g of zinc is dissolved in 50 g of concentrated hydrochloric
1 answer
405 views
The value of a computer bought in 1998 decreases as time passes. Two years after the computer was bought, it was worth $2,600.
0 answers
641 views
The value of a computer bought in 1998 decreases as time passes. Two years after the computer was bought, it was worth $2,600.
0 answers
546 views
The length of a rectangular flag is four yards longer than the width. The area f the flag is 140 square yards. Find the length
1 answer
795 views
A charge of - 0.15 C is moved from a position where the electric potential is 13 V to a position where the electric potential is
1 answer
1,177 views
A model car is constructed with a scale of 1 : 15. If the actual car is 12 feet long, which proportion represents the length x
1 answer
3,470 views
a lighthouse is located at point A. a ship travels from point B to point C. At point B,, the distance between the ship and the
1 answer
1,000 views
I need to figure this equation out and I do not understand what the backwards E means
ODR= # of people aged ∃65
0 answers
432 views
Use the method of elimination to solve the following system of equations. You must check your answer:
1)x/2 + y/5 = 1/2 2) 3x - y
0 answers
666 views
Translate this situation into a system of equations of the first degree in two variables and make sure you identify the
1 answer
601 views
How much sugar must be added to 50g of water to make a saturated solution at 0 degrees?!
1 answer
769 views
If Peter picked 240% more plums than Roger and Peter picked 6800 how many did both pick altogether
1 answer
1,126 views
A 5-kg box is released on a 30 degree incline and accelerates down the incline at 2.79 m/s^2. To the nearest tenth of a Newton,
1 answer
697 views
2y-z/x for x=-3, y-13, and z=5
2 answers
290 views
As a moon follows its orbit around a planet, the maximum gravitational force exerted on the moon by the planet exceeds the
1 answer
1,791 views
A 27.0kg sled is being pulled across a horizontal surface at a constant velocity. The pulling force has a magnitude of 71.0N and
1 answer
666 views
Integrate the expression β = 1/V (δV / δT) at constant pressure, assuming that β is independent of temperature. By doing so,
0 answers
516 views
How do I calculate the overall confidence limit and the overall relative confidence limit for the percent chloride?
I've found
2 answers
1,136 views
At 298K and 1bar pressure, the density of water is 1.00 g/cm^3 , Cpm = and 75.3 J/Kmol. The change in volume with temperature is
4 answers
1,316 views
what are the zeros for 1x^5+2x^4+4x^3+19x^2+9x^2+9x-5?
1 answer
661 views
The key terms Patroon, Proprietary colony, and Pacifist are described in the history of Pennsylvania but checking for
3 answers
668 views
I need to write a short paragraph in which i use the following key terms: Patroon, Proprietary colony, Pacifist.
6 answers
1,920 views
Jill has 4 of her 5 games. 8,6.6.3. Wat is the fifth game score?
1 answer
368 views
a man cashed a check for $63. the bank teller gave him six bills, but no one- dollar bills and no change. what did she give him?
3 answers
625 views
A ladder is leaned 9m up a wall with its base 5m from the wall. What angle does the ladder make with the ground?
1 answer
830 views
Noah and Brianna want to calculate the distance between their houses which are opposite sides of a water park. They mark a
0 answers
736 views
From an observation tower that overlooks a runway, the angles of depressin of point A, on one side of the runway, and point B,
1 answer
632 views
A children's play area is triangular. The sides of the play area measure 90m, 225m and 255m respectively. Calculate the area of
3 answers
1,607 views
A security camera needs to be set so that its angle of view includes the area from a doorway to the edge of a parking lot. T
1 answer
584 views
Richard is standing between two buildings in a townhouse development. The building on the left is 9m away and the angle of
0 answers
499 views
A baseball diamond is a square with sides 22.4m. The pitcher's mound is 16.8m from home plate on the line joining home plate and
3 answers
733 views
Two paths diverge at a 44 degree angle. Two mountain bike riders take separate routes at 6.5 km/ hr and 10 km/ hr. How far apart
4 answers
906 views
Draw a diagram to solve this problem: Ajax is 8 km due west of Oshawa. Uxbridge is 6 km NW of Oshawa. How far is it from Ajax to
2 answers
1,171 views
Given the points A(0,0), B(4,3) and C(2,9), what is the measure of <ABC?
2 answers
457 views
A golfer hits a tee shot on a 285m long straight golf hole. The ball is hooked (hit at an angle) 14degree to the left. The ball
2 answers
2,362 views
A guy wire 11.2m long. It supports a vertical power pole. The wire is fastened to the ground 9.87m from the base of a 5.3m tall
1 answer
1,241 views
A ladder is leaned 9m up a wall with its base 5m from the wall. What angle does the ladder make with the ground?
0 answers
361 views
The earth is approximately a sphere. It's diameter is about 12730km. Water covers approximately 66% of the earths surface. How
3 answers
1,128 views
Determine the minimum amount of packaging needed to completely cover a triangular prism toblerone bar with these dimensions:
4 answers
1,604 views
A ladder is leaned 9m up a wall with its base 5m from the wall. What angle does the ladder make with the ground?
1 answer
444 views
A 5.0m ladder is leaning 3.1m up a wall. What is the angle the ladder makes with the ground?
2 answers
912 views
A kite has a string 100m long anchored to the ground. The string makes and angle with the ground of 65 degree. What is the
2 answers
2,071 views
A landscaper is preparing a circular flowerbed. The bed has a 12-foot diameter. He will need 13plants per square yard. How many
3 answers
2,583 views
Suppose an insurance agent offers you a policy that will provide you with a yearly income of $150,000 in 25 years. What is the
1 answer
467 views
measure of angle 3=6x, measure of angle KAT=90-x
measure of angle 1=7x+3, measure of angle 2=6x+7 measure of angle 1=7x+3,
0 answers
690 views
Exponential distribution was used to model the lengths of CD-ROM drives in a two drive system. The two CD-ROM drives operate
0 answers
569 views
A random sample of customer incomes yields a mean income of $35000 with a standard deviation of $4500. Assume that the
1 answer
578 views
A ball of mass 0.440 kg moving east (+x direction) with a speed of 3.80 m/s collides head-on with a 0.600 kg ball at rest. If
1 answer
1,332 views
Why does Texas have so many special districts, and what are some of the problems associated with them?
1 answer
775 views
A 500g aluminum pot containing 250mL of water in the pot increases from 13.2 °C to 89.1 °C. Calculated the heat absorbed by
1 answer
621 views
When the oxidation-reduction reaction shown here is balanced, how many electrons are transferred for each atom of copper that
1 answer
1,597 views
What is the molar concentration of sodium in a 200ml solution prepared from 1.223g of sodium phosphate?
2 answers
1,214 views
lim x^2+2x-8/x^2-4
x->2
1 answer
495 views
The density of a liquid is 3.22 g/mL. How many milliliters are there in 2.62 kg?
If you answer this could you give me an
1 answer
376 views
What is the relationship between feminist theory and traditional rhetorical theory? and how do they connect?
1 answer
404 views
In the sentence: "Are you already almost finished?" "Are" is functioning as a linking verb. True or False
1 answer
460 views
What would be John Endler's relationship towards natural selection?
Help!
1 answer
386 views
A substance (CD) decomposes into C and D
At the temperature of the experiment, 15.0% of CD is decomposed when equilibrium is
2 answers
1,066 views
"The measure of an angle is 6 more than 3 times the measure of its compliment. i know the quation is X+3x+6 but how do i solve
1 answer
558 views
Consider the reaction: N2O4(g) <--> 2NO2(g)
delta H^o =58.576kJ; Keq =0.87 at 55degrees celsius What is the effect of each of
2 answers
2,792 views
Two colourless solutions are mixed in a stoppered flask. as the reaction proceeds, the resulting solution turns red, and a
2 answers
1,111 views
A ball of mass 0.30 kg is fired with velocity 100 m/s into the barrel of a spring gun of mass 2.2 kg initially at rest on a
0 answers
482 views
Two toy locomotives approach each other along the same line, and upon collision both stop dead still. One locomotive has three
1 answer
1,833 views
In this problem they show a diagram of a pulley system with an inclined plane (25 degree incline). There is a box called m1=47kg
8 answers
697 views
Three huskies are pulling a dog sled. The mass of the driver, sled and supplies is 145 kg. Snowy is pulling with a force of 83 N
2 answers
1,540 views
Identify the limiting and excess reagent for each of the following scenarios involving the formation of silicone dioxide, SiO2.
I
1 answer
692 views
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