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Karina

Questions (56)

If 3 raise to power 2y -6(3raise to power y) =27
1. 1 answer
2. 257 views
Data is collected on the number of ice cream cones sold in a shop on a certain day and the number of people wearing sunglasses
1. 2 answers
2. 1,730 views
Saul reads every week. In his first week of reading, he read 50 pages. Each week after that, he read 65 pages. Which expression
1. 5 answers
2. 1,664 views
How does distance running affect the energy systems?A. The oxidative system becomes more important, and the ATP-PC system
1. 2 answers
2. 491 views
The earning per share for a retail store were $1.87 in 2008 and $2.51 in 2010. Use the midpoint formula to estimate the earnings
1. 1 answer
2. 370 views
How many moles of calcium carbonate, CaCO3, are in 1.500 L of a 0.40M calcium carbonate solution?
1. 1 answer
2. 502 views
What is the molecular formula of a molecule that has an em formula of CH and a molecular mass of 78.11 g/mol?
1. 1 answer
2. 466 views
How many grams of sodium hydroxide, NAOH, are needed to make up 580 ml of 1.50M sodium hydroxide solution?
1. 1 answer
2. 572 views
A chemical reaction produces 3.75 L of chlorine gas at STP. How many moles of chlorine are produced by the reaction?
1. 1 answer
2. 934 views
hanna has a bag of 15 red, 11 orange 9 yellow, 12 green, 6 blue and 11 purple crayond.How many times would you expect ganna to
1. 1 answer
2. 673 views
Whats is an example of a change in political relations between powers that was in part the result of a change in discourse?
1. 0 answers
2. 424 views
A $5000 loan has a stated rate of 10% but it will be paid off in 12 equal monthly payments. What is the APR on the loan?
1. 0 answers
2. 508 views
Sharons rectangular vegteable garden is 20 feet by 30 feet. In addition mulching her garden, she wants to put mulch around the
1. 2 answers
2. 710 views
Tina baked a loaf of cinnamon bread and cut it into 15 equal pieces. Four people ate an equal number of pieces left. there are
1. 2 answers
2. 595 views
What statement makes this true?9^-2 A.81 B.18 C.1/81 D.-1/81 Is it A?
1. 1 answer
2. 1,290 views
I don't know if my answer for this question is correct but can you please check?1.) Between which pair of numbers does the
1. 1 answer
2. 643 views
HA is an acid that ionizes in 10% in solution. what is the [h+] of a 0.01 m solution of ha?
1. 2 answers
2. 1,264 views
A car's bumper is designed to withstand a 6.84-km/h (1.9-m/s) collision with an immovable object without damage to the body of
1. 0 answers
2. 851 views
Using energy considerations, calculate the average force a 62.0 kg sprinter exerts backward on the track to accelerate from 2.00
1. 1 answer
2. 3,824 views
Suppose the ski patrol lowers a rescue sled and victim, having a total mass of 95.0 kg, down a θ = 50.0° slope at constant
1. 2 answers
2. 7,199 views
An automobile with 0.300 m radius tires travels 75,000 km before wearing them out. How many revolutions do the tires make,
1. 1 answer
2. 949 views
The existence of the planet Pluto was proposed based on irregularities in Neptune's orbit. Pluto was subsequently discovered
1. 2 answers
2. 2,372 views
At takeoff a commercial jet has a 65.0 m/s speed. Its tires have a diameter of 0.700 m.(a) At how many rpm are the tires
1. 1 answer
2. 1,428 views
The breathing process is controlled by (Select all that apply)A. The diaphragm B. The pharynx C. Blood vessels D. rib muscles
1. 15 answers
2. 7,496 views
That's great! that was my main idea but how would he be able to get the money from his brother anyway?so far i have made it so
1. 1 answer
2. 1,076 views
Hello, I'm writing a story and was wondering if someone could give me realistic reasons as to why a brother would kidnap hid
1. 4 answers
2. 593 views
What is 6(a+7) when a=8
1. 1 answer
2. 544 views
Calculate the work done (in joules) by a chemical reaction if the volume increases from 3.3L to 3.5L against a constant external
1. 1 answer
2. 1,122 views
What critical value for z would be used to test the hypotheses: H0:μ≤10 and Ha:μ>10, for α = 0.05 ?
1. 1 answer
2. 416 views
In most state and local courts, 12 jurors and 2 alternates are chosen from a pool of 30 prospective jurors.The order of the
1. 2 answers
2. 1,035 views
Consider making a four-digit I.D. number using the digits 3,5,8, and 0a. How many I.D. numbers can be formed using each digit
1. 1 answer
2. 1,160 views
A fair six-sided die is rolled. If the number showing is even, you lose a point for each dot showing. If the number showing is
1. 0 answers
2. 626 views
Suppose you want to row your boat across a 3-mile-wide river. You can row at a speed of 2.5 mi/h. The current is flowing south
1. 1 answer
2. 630 views
Consider a hemispherical bowl of radius 10cm.(4 points) If the water level in the bowl is h cm deep, find the radius of the
1. 1 answer
2. 1,670 views
the model of the car you are thinking of buying is available in five different colors and four different styles. In how many
1. 2 answers
2. 2,294 views
On vacation, Le Hong averaged 45 mph traveling from city A to city B. Returning by a different route that covered the same
1. 1 answer
2. 530 views
Mass (before reaction): test tube + HCl(aq) + stir bar + capsule 26.600 gMass (after reaction): test tube + HCl(aq) + stir bar +
1. 0 answers
2. 702 views
Mass (before reaction): test tube + HCl(aq) + stir bar + capsule 26.600 gMass (after reaction): test tube + HCl(aq) + stir bar +
1. 2 answers
2. 3,069 views
A dockworker applies a constant horizontal force of 90.0Nto a block of ice on a smooth horizontal floor. The frictional force is
1. 1 answer
2. 1,011 views
Using Heisenberg's uncertainty principle, calculate the uncertainty in the position of the following.a 1.32-mg mosquito moving
1. 0 answers
2. 551 views
Using Heisenberg's uncertainty principle, calculate the uncertainty in the position of the following.a 1.32-mg mosquito moving
1. 0 answers
2. 570 views
A rocket, initially at rest on the ground, accelerates straight upward with a constant acceleration of 34.3 . The rocket
1. 1 answer
2. 1,093 views
How do you write a program that prints out your course schedule for a week?Here's an example of the output for one day: Monday
1. 1 answer
2. 1,403 views
The product of two consecutive integers is two hundred forty. Find the two integers.
1. 2 answers
2. 560 views
The length of a rectangle is three less than three times the width. The area is 90ft^2. Find the width and the length of the
1. 1 answer
2. 506 views
Explain- how would the gravitational force between Earth and the Moon change if the distance between them increased?
1. 1 answer
2. 979 views
You pull upward on a stuffed suitcase with a force of 100 N, and it accelerates upward at 0.816 m/s2.(a) What is the mass of the
1. 1 answer
2. 1,539 views
You pull upward on a stuffed suitcase with a force of 100 N, and it accelerates upward at 0.816 m/s2.(a) What is the mass of the
1. 1 answer
2. 637 views
How do you find a perimeter
1. 4 answers
2. 1,849 views
Vivian is walking to the hairdresser's at 1.3 m/s when she glances at her watch and realizes that she is going to be late for
1. 5 answers
2. 9,526 views
three bases on a tRNA molecule that complement an mRNA codon
1. 0 answers
2. 596 views
What is the religious symbolism in My Antonia? How is My Antonia an American Genesis? Why might Cather have chosen to fram her
1. 0 answers
2. 457 views
Hotel construction tends to come in waves, resulting ina) a major increase of capital flowing into the industry b) excess supply
1. 1 answer
2. 717 views
I need to combine each of the folowing sentences and improve them( clarity and interest). English is not my first language,i am
1. 4 answers
2. 1,274 views
Air is about 78.0% nitrogen molecules and 21.0% oxygen molecules. Several other gases make up the remaining 1% of air
1. 1 answer
2. 1,199 views
So we have a question for chem. homework and i really don't understand. can you please explain it.....Question:There is a change
1. 1 answer
2. 607 views

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