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The table shows a meteorologists predicted temperatiures for an April day in Washington D.C. Use quadratic regression to find a
1. 1 answer
2. 2,214 views
Why do we only see four peaks in the 1H NMR when we have five CH2 groups and 2 OH groups?Answer a. There should be more peaks,
1. 2 answers
2. 585 views
Why do we only see four peaks in the 1H NMR when we have five CH2 groups and 2 OH groups?Answer a. There should be more peaks,
1. 1 answer
2. 737 views
The area of a rectangle is 20 square inches. The length of the rectangle is 1 inch longer than the width. What are the length
1. 7 answers
2. 1,755 views
Is basketball a streamlined object? What about a baseball? What object will not be considered streamlined
1. 1 answer
2. 381 views
what did galileo state about the motion of objects?
1. 0 answers
2. 737 views
If gravity was zero how would that effect the mass of an object? The weight?
1. 2 answers
2. 380 views
I need a rule for the following table:Input 0 1 2 3 4 5 Output 5 4 3 2 1
1. 1 answer
2. 398 views
I am trying to figure out how to make 275 gallons of a 5% NaOH solution. I know that 275 gallons weighs 2294.875 lbs. How many
1. 1 answer
2. 374 views
Let V be the volume of a right circular cone having height h and radius r and assume that h and r vary with time.a. Express the
1. 1 answer
2. 801 views
If 4 cards are drawn at random from a standard deck of cards, what are the odds, or probability, that the first three will be of
1. 1 answer
2. 716 views
From a deck of 52 playing cards, 7 cards are dealt. What are the odds of the following event occuring--4 From one suit, 3 from
1. 2 answers
2. 630 views
Jason applies a force of 4.00 newtons to a sled at an angle 62.0 degrees from the ground. What is the component of force
1. 4 answers
2. 1,899 views
Assume that American rise sells for $100 per bushel, Japanese rice sells for 16,000 yen per bushel, and the nominal exchange
1. 1 answer
2. 921 views
A 10000 Hz tone must have what intensity level to seem as loud as a 50 Hz tone that has a 100 dB sound level? (See Fig. 12-7.)12
1. 1 answer
2. 478 views
A 100-g block hangs from a spring with k = 5.3 N/m. At t = 0 s, the block is 20.0 cm below the equilibrium position and moving
1. 5 answers
2. 702 views
-29 = -4 + 5u
1. 1 answer
2. 658 views
If an electronic circuit experiences a loss of 3 decibels with an input power of 6 watts, what would its output power be, to the
1. 1 answer
2. 3,175 views
The Moon orbits the Earth at a distance of 3.85 x 108 m. Assume that this distance is between the centers of the Earth and the
1. 1 answer
2. 1,566 views
Can somebody help me with Proofs in Geometry Given:M<ABE=M<CBD
1. 1 answer
2. 452 views
2. A body fired vertically up reaches a maximum height of 120 m. The location at which the kinetic energy is 75% of the
1. 1 answer
2. 1,163 views
Not sure if it is right, I have check with the answer in the book and a few integral calculators but they seem to get a
1. 4 answers
2. 1,310 views
Trying to find ∫x*arctan(x)dx, but I can't figure out what do to after:(1/2)x^2*arctan(x)-1/2∫x^2/(x^2+1) dx
1. 7 answers
2. 498 views
Pair of functions fx=3x and g(x) =3x^2-2x+3 find the following (f◦g)(x=)
1. 2 answers
2. 457 views
A pair of masses are attached by a string that runs over a pulley. The larger mass is on a frictionless incline that makes an
1. 2 answers
2. 636 views
Write an equation in standard form (slope-intecept form) of the line passing through the pair of points (3,4) and (5,8)
1. 2 answers
2. 599 views
I am still having trouble solving this problem.Use the quadratic formula to solve this equation: 4k(k+13)=13
1. 1 answer
2. 570 views
sqrt(q^2+7q+6)-q-3=0
1. 1 answer
2. 347 views
Use the quadratic equation to solve the equation:4k(k+13)=13
1. 1 answer
2. 365 views
Solve for "x" using the quadratic formula:X^2-4x-21=0
1. 1 answer
2. 753 views
3 divided by 5 times the square root of 5 + 3 times the square root of 2. (This problem is written as a fraction.)
1. 1 answer
2. 545 views
Square root of (q^2+7q+6) minus q minus 3=0. Minus 3 and minus q are not under he radical sign.
1. 2 answers
2. 643 views
12 times square root of (z-1)= 3 times the square root of (3z+1050)
1. 1 answer
2. 292 views
(8-i)^2(8+i)^2
1. 1 answer
2. 226 views
(8-i)^2(8+i)^2
1. 3 answers
2. 248 views
(6 times square root of 3 + square root of 5)(square root of 3 - 4 times the squae root of 5)
1. 1 answer
2. 819 views
Multiply:(6 times square of 5 + square root of 5)(square root of 3 - 4 times square of 5) Note: How do I type the symbol for
1. 1 answer
2. 401 views
Simplify the root.The square root of (-x)^14. Why is the answer the absolute value x^7?
1. 0 answers
2. 320 views
Implementation of informatics has shown to be effective in many areas of health care. Perform a brief literature review and
1. 1 answer
2. 393 views
(7/w+2)+(-8w-2/w^2+2w)-(6-w/w)
1. 1 answer
2. 262 views
y-(3y-7)/7 divided by(20/14)+5/2y
1. 1 answer
2. 355 views
Determine whether the equation represents direct, inverse,joint,or combined variation.y=31x/wz If it is combined, please explain
1. 2 answers
2. 2,844 views
y-3y-7/7/20/14+5/2y
1. 1 answer
2. 322 views
Add or subtract as indicated.5x/x+3+28/x-3-90/x^2-9
1. 1 answer
2. 385 views
z varies directly as x^2. If z=36 when x=3,find zwhen x=4.
1. 1 answer
2. 973 views
Question #1The price of 7 citrons and 10 fragrant wood apples is 88 units. The price of 10 citrons and 7 fragrant wood apples is
1. 3 answers
2. 6,412 views
I do not understand this problem:Factor by grouping: 1-c+cy-y
1. 1 answer
2. 435 views
800 is 22% of what number
1. 1 answer
2. 328 views
when is it inappropriate to share a hunch? Why?
1. 1 answer
2. 551 views
Find A ∪ B. (Enter your answers as a comma-separated list.)A = {2, 4}, B = {0, 1, 2, 3, 4, 5}
1. 2 answers
2. 495 views
When girls get pregnant, how do they babies get defected?
1. 2 answers
2. 374 views
Al has 76 nickels and dimes worth$5.55. How many of each coins does Al have?
1. 2 answers
2. 508 views
How is the rejection region defined and how is that related to the z-score and the p value? When do you reject or fail to reject
1. 2 answers
2. 607 views
Assume that a population is normally distributed with a mean of 100 and a standard deviation of 15. Would it be unusual for the
1. 1 answer
2. 558 views
In what environments would you expect obligate homeotherms to have the most significant advantages, and in what environments
1. 1 answer
2. 365 views
The demand function for a cola-type soft drink in general is Q = 20-2P, where Q stands for quantity and P stands for price.At
1. 1 answer
2. 1,142 views
A cat that has a mass of 6 kg climbs to the top of a tree that is 20 m high. How much potential energy does the cat have at the
1. 0 answers
2. 594 views
Two tiny objects with equal charges of 59.0 µC are placed at two corners of a square with sides of 0.355 m, as shown. How far
1. 4 answers
2. 876 views
If blue eyes are dominant to green eyes, and two parents have a 50% chance of producing offspring with green eyes. What must the
1. 0 answers
2. 507 views
14–1. (Defining capital structure weights) Templeton Extended Care Facilities, Inc. is considering the acquisition of a chain
1. 3 answers
2. 518 views
Evaluate 4x for each value of x. write the answer in simplest form. x = 3/8
1. 4 answers
2. 1,739 views
for kite ABCD, if RA=15, and BD= 16, find AD
1. 3 answers
2. 2,765 views
Assuming the earth is a perfect sphere of raius 3950 miles, find (in inches) d. d, is the difference between the arc and a
1. 2 answers
2. 437 views
Two ropes are attached to a wagon, one horizontal to the west with a tension force of 30 N, and the other east and at an angle
1. 2 answers
2. 3,312 views
An airplane wing is designed so that the speed of the air across the top of the wing is 274 m/s when the speed of the air below
1. 3 answers
2. 2,411 views
What is the molarity of OH- in a 7.83×10-3 M NaClO solution that hydrolyzes according to the equation.ClO-(aq) + H2O(l) =
1. 1 answer
2. 938 views
We are doing trig identities in school. I need help with these five:1.1+sinx/1-sinx=cscx+1/cscx-1 2.tanx+sinx/1+cosx=tanx
1. 1 answer
2. 981 views
How do i figure out the instantaneous rate of change with given graph and it says find the rate at t = 6 s
1. 3 answers
2. 504 views
Can someone help me with these questions?1.What are the maximum and minimum values for Y=28(1.21)^x on the interval 0<x<12? a)
1. 2 answers
2. 1,018 views
For each function, the point given is the maximum or minimum. Use the difference quotient to verify that the slope of the
1. 6 answers
2. 2,663 views
True or False: If the value of the correlation, r, is zero then there is no association between the two quantative variables.
1. 1 answer
2. 457 views
In the July issue of Archives of Neurology, researchers reported studying the smoking habits of 12000 people (3000 with
1. 0 answers
2. 479 views
The weights of trout in a certain river follow a normal distribution with mean 3 pounds and standard deviation 0.8 pounds. What
1. 2 answers
2. 1,496 views
how do you do one third (h) is less than or equal to 7? do you need to reciprocate the fraction?
1. 3 answers
2. 379 views
The piolet of a single-engine airplane flies at a constant speed of 200 km/h at a bearing of N 25 degree E. There is a 40 km/h
1. 3 answers
2. 1,113 views
To reach a campsite, a hiker first walks for 2 mi at a bearing N 40 degree E. Then He walks 3 mi due east. What are the
1. 4 answers
2. 2,241 views
Suppose the information portion of packet (D in figure 5.4) contains 10 bytes consisting of the 8-bit unsigned binary ASCII
1. 0 answers
2. 657 views
(3,5) is a point on the graph of y = f(x). Find the corresponding point on the graph of each of the following relationsa)
1. 3 answers
2. 5,134 views
1/2 of students walk to school. 1/3 of students take the bus. What is the remainder? Put in order from from greatest to least.
1. 1 answer
2. 467 views
a rectangle measures 30 feet by 20 feet and has a post at each corner and a post every 2ft. How many posts in all?
1. 1 answer
2. 441 views
Input x 2 output y=17, input x 4 output y=28, input x 6 output y=42, what is the rule for the table?
1. 1 answer
2. 431 views
draw the alkyne formed when 3,4-dichloroheptane is treated with an excess of a strong base such as sodium amide.I got
1. 0 answers
2. 724 views
CH3CH2CH(BR)CH=C(BONDED TO A METHYL ON ONE SIDE AND AN ETHYL ON THE OTHER)
1. 0 answers
2. 362 views
What is the name of this alkeneCH3-CH2-CH-CH=C-CH3 | | BR CH2CH3
1. 0 answers
2. 480 views
draw the alkyne formed when 3,4-dichloroheptane is treated with an excess of a strong base such as sodium amide.I got
1. 0 answers
2. 761 views
How would I assign priority to 1,2-dimethylcyclopropane?
1. 0 answers
2. 357 views
There is a two-digit number such that the sum of its digit is 6 while the product of the digits is 1/3 of the original number.
1. 2 answers
2. 504 views
aspirin tablets contain about 5 grains of aspirin. About 10 grams of aspirin constitute a fatal dose. How many tablets would
1. 3 answers
2. 4,058 views
A 2.9 kg object oscillates with simple harmonic motion on a spring of force constant 430.0 N/m. The maximum speed is 0.8 m/s.
1. 1 answer
2. 608 views
Each of 2 players, independently, play a game 5 times, with each game having probability of success 0.40. What is the standard
1. 0 answers
2. 535 views
A satellite that is 4175 miles from the center of the earth, orbits with a period of 90 minutes. What is its centripetal
1. 0 answers
2. 561 views
A satellite that is 4175 miles from the center of the earth, orbits with a period of 90 minutes. What is its centripetal
1. 1 answer
2. 2,059 views
A 27.59 kg child is on a swing that hangs from 2.26-m-long chains. What is her maximum speed if she swings out a 48° angle?
1. 1 answer
2. 918 views
a stone is thrown horizontally from the edge of the cliff with speed of 18m/sec. Cliff is 50 meters high
1. 1 answer
2. 829 views
polynomials(8m + 7) (2m +3)
1. 1 answer
2. 323 views
-3x(squared 2)-6x=0
1. 1 answer
2. 330 views
The Earliest Remains Of Hominid Ansestor Of Human Have Been Found In Which Region.? Anyone Could Answer This
1. 5 answers
2. 436 views
I have a few other problems that I can't seem to understand... Question: Rounded to the nearest ten. I am 12,750. I am a
1. 1 answer
2. 422 views
I am getting so confused with my math problems... Can you help me please?... The question is - Rounded to the nearest ten I am
1. 3 answers
2. 577 views
Find the ldc for the fraction -11/245, 13/175
1. 1 answer
2. 356 views

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