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Cynthia

Questions (307)

Brianna solved a two-step equation, but she made a mistake along the way.0.1x + 3 = 1.7 (-3) + 0.1x + 3 = 1.7 + (-3) Line 1 0.1x
1. 1 answer
2. 130 views
Cos45
1. 0 answers
2. 102 views
Substance with a melting point of negative 188
1. 1 answer
2. 110 views
When f(x)=(p-1)x³+px²+qx+r is divided by (x+2) and (x-1) the remainder are -5 and4 respectively if (x+1) is factor of
1. 1 answer
2. 389 views
If r varies p and p = 15 when r = 40 find the law connecting r and p. Also find p when r =42.5
1. 1 answer
2. 332 views
In the play Bethune why is Bethune initially discouraged in China
1. 0 answers
2. 253 views
find inverse of g(x)=2x^2-1
1. 1 answer
2. 266 views
Find the value of x,given that x+1,2x and 2x+3 are consecutive tems of a linear sequence
1. 1 answer
2. 335 views
PCl3(g)+Cl2(g)⇄PCl5(g) Kc=0.11A 0.60mol sample of PCl3(g) and a 0.70mol sample of Cl2(g) are placed in a previously evacuated
1. 1 answer
2. 1,753 views
Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the high temperature of 94 degrees
1. 1 answer
2. 686 views
To determine the insurance of a car, an insurance company considers the following determinants; the model of car, the age the
1. 1 answer
2. 1,115 views
A 12 g fly, attached to a fly fishing rod, comes undone and hits a wall with a velocity of 3.2 m/s to the right. It rebounds
1. 0 answers
2. 298 views
A 1400 kilogram car crests a 3200 m pass in the mountains and briefly comes to rest. The car descends 1000 m before climbing and
1. 0 answers
2. 264 views
15.47 × 0.0852/(254)^1/3
1. 4 answers
2. 632 views
A planet has a mass of 5.21x10^23 kg and a radius of 2.77x10^6 m. (a) what is the acceleration of this planet? (b) how much
1. 2 answers
2. 777 views
A rocket of mass 3.45x10^5 kg isn’t flight near earth surface. it’s the rest is directed at an angle of 52.2° above the
1. 0 answers
2. 370 views
An airplane has a mass of 2.56x10^4 kg and takes off under the influence of a constant net force of 1.90x10^4 N. What is the net
1. 1 answer
2. 397 views
What is the equation of the line that includes the point (4,-3) and has a slope of -2?A. y = -2x - 5 B. y = -2x - 2 C. y = -2x +
1. 1 answer
2. 435 views
A cone of height 9cm has a volume of n cm3 and a curved surface area of n cm2. Find the vertical angle of the cone
1. 9 answers
2. 1,686 views
The second term of a GP is 4, the fifth term is 81, find the seventh term
1. 2 answers
2. 3,025 views
The Dna is bond with what ?
1. 1 answer
2. 405 views
Shown that alpha =3alpha and beta =2alpha
1. 2 answers
2. 412 views
What are the impact of risk behaviour?
1. 1 answer
2. 862 views
Alkali metals can be used for all but one of the following
1. 3 answers
2. 545 views
Twice n,less three,equals 5How do you write it as an equation?
1. 4 answers
2. 493 views
The sum of a number and 10 is -10
1. 1 answer
2. 529 views
Carolyn plans to use her 25% employee discount to buy a $39 lamp because she is redecorating her bedroom
1. 1 answer
2. 371 views
The sum of a number and 10 is -10
1. 1 answer
2. 354 views
The normal to the curve y = ax^1/2 + bx at the point where x = 1 has a gradient 1 and intercepts the y-axis (0,-14). Find a and
1. 1 answer
2. 1,954 views
Social effects of poor service delivery.
1. 3 answers
2. 743 views
In the following sentence, what word does the participial phrase modify?Everyone in the annex heard her screaming loudly
1. 8 answers
2. 938 views
I cant get this stupid question, this is disgusting and I just want to get this over with.What the word for when blood rushes
1. 6 answers
2. 659 views
Rick made $33000 last year he also made $3000 selling vases at craft shows.which part of rick income is fixed income?
1. 2 answers
2. 444 views
If no digit may be used more than once, how many 2-digit numbers can be formed using only the digits 5, 6, 3, and 2?
1. 3 answers
2. 787 views
A homogeneous disk of mass m and of radius r free to rotate without friction about its horizontal axis, is used used as a
1. 1 answer
2. 916 views
I don't have a close about this question !!!!!!!! It takes you 3 hours to drive to a concert 135 miles away. You drive 55 miles
1. 2 answers
2. 1,149 views
You have a boat that is capable of moving at 10.4 m/s through still water. You wish to cross a river that flows due west at 2.8
1. 2 answers
2. 581 views
Tim tracked the change in outside temperature one afternoon. He record a temperature of 98.3 degrees at noon. Bathe temperature
1. 1 answer
2. 846 views
(For this, i know the equation for constant of variation is y=kx, but i just forgot how to solve it)For the eqaution -4y=8x,
1. 1 answer
2. 428 views
If n represents a number, write an expression for one-half of three less than the number.
1. 2 answers
2. 1,749 views
A 1-m-tall barrel is closed on top except for a thin pipe extending 6.0 m up from the top. When the barrel is filled with water
1. 0 answers
2. 911 views
What is the principle part of the italicized verb in this sentence (suppressed) from "The Story-Teller"?The aunt suppresed a
1. 9 answers
2. 1,632 views
How many grams of gasoline would you need to burn if you started with a 275 gram piece of ice that started at -25 OC and by the
1. 3 answers
2. 601 views
What is the similarities between conduction and radiationWhat is the similarities between convection and radiation
1. 18 answers
2. 2,087 views
John has 4 cups filled with fruit juice.He said that he has a gallon of fruit juice.Is his statements reasonable?explain why or
1. 1 answer
2. 527 views
An unknown substance with a mass of 300 g absorbs 1000 j of heat while undergoing a temperature increase of 15 degrees c. What
1. 0 answers
2. 624 views
Ben is making wooden toys for the next art and craft sale each toy cause Ben $1.80 to make. If he sells the toy for three
1. 1 answer
2. 528 views
If the specific heat of water is 1.0 calorie/gram°C, how many calories are required to raise 500 grams of water 10.0°C?
1. 2 answers
2. 2,153 views
4.During the energy crisis of the 1970s, and again in the last 5 years, Congress bemoaned the “price gouging” and
1. 0 answers
2. 504 views
5 contributions of Ancient Greece to modern society
1. 2 answers
2. 737 views
when 2 moles of potassium chlorate crystals decompose to potassium chloride crystals and oxygen gas at a constant pressure and
1. 1 answer
2. 1,597 views
For a motor vehicle traveling at r miles per hour, the distance d in feet required to stop is approximately d=0.05r^2 + r. If a
1. 1 answer
2. 494 views
What fundamental motor patterns do girls attain quicker than boys
1. 1 answer
2. 621 views
39x + 75y over the square root of 97 =650 how do I solve this?
1. 0 answers
2. 393 views
A 46.6 kg crate is at rest on a level floor, and te coefficient of kinetic friction is 0.32. The acceleration of gravity is
1. 1 answer
2. 1,416 views
Simplify.(2-5i)-(3+4i)
1. 2 answers
2. 877 views
The numbers i�ã5 and -i�ã5 are solutions to which equation?a. x^2+�ã5=0 b. x^2+5=0 d. x^2-5=0
1. 3 answers
2. 344 views
1.Identify the reason for the comma(s) in the following sentence:When you have the opportunity to interview for a job, you can
1. 3 answers
2. 755 views
Find the equation of the line that passes through the pair of points. Write your answer in slope-intercept form (2,-5)(2,-1)
1. 1 answer
2. 1,455 views
How does biological and environmental factors shape our cognitive processes?
1. 1 answer
2. 1,168 views
How does one's cognitive processes shape some aspects of personality?
1. 0 answers
2. 441 views
You own a portfolio that has $1500 invested in Stock A and $2,600 invested inStock B. If the expected returns on these stocks
1. 0 answers
2. 699 views
1. Locate the absolute extrema of the function f(x)=cos(pi*x) on the closed interval [0,1/2].2. Determine whether Rolle's
1. 1 answer
2. 2,728 views
I was wondering if you could tell me if my sentence structure using ":" and quotations is correct...Furthermore, when Howard
1. 1 answer
2. 428 views
A barn has 150 feet of fencing and there are 3 rectangular corrals of identical dimensions along the back wall of the barn. The
1. 0 answers
2. 597 views
A barn has 150 feet of fencing and there are 3 rectangular corrals of identical dimensions along the back wall of the barn. The
1. 0 answers
2. 622 views
Trying to be on time for class, a girl moves at 2.4 m/s down a 52 m-long hallway, 1.2 m/s down a much more crowded hallway that
1. 5 answers
2. 2,335 views
Find the exact value of tan2(Beta) if sin(Beta) = 5/13 (Beta in Quadrant II)
1. 1 answer
2. 639 views
Write 2sin37(degrees)sin26(Degrees) as a sum (or difference)
1. 0 answers
2. 364 views
Find the centroid of the area bounded by the parabola y = 4 - x^2 and the x-axis.A. (0,1.6) B. (0,1.7) C. (0,1.8) D. (0,1.9)
1. 1 answer
2. 854 views
evaluate (integral) xe^2x dxA. 1/6x^2 e^3x+C B. 1/2xe^2x-1/2e^2x+C C. 1/2xe^2x-1/4e^2x+C D. 1/2x^2-1/8e^4x+C Evaluate (integral)
1. 2 answers
2. 657 views
to evaluate (integral) 3x^2 cos (2x^3-4) dx, it is necessary to letA. u=3x^2 B. u=6x C. u=2x^3-4 D. u=6x^2
1. 1 answer
2. 540 views
Which of the following is a step in evaluating.(Integral) cos^2 5x dx A. (Integral) 1+cos10x/2 dx B. (Integral) 1-cos10x/2 dx C.
1. 1 answer
2. 771 views
Evaluate (integral) e^3x dx.A. e^3x + C B. 1/3e^3x + C C. e^4x + C D. 1/4e^4x + C
1. 1 answer
2. 331 views
Evaluate (Integral) sin 4x cos^2 4x dx.A. Cos^3(4x)/3 + C B. -Cos^3(4x)/3 + C C. Cos^3(4x)/12 + C D. -Cos^3(4x)/12 + C
1. 1 answer
2. 952 views
Evaluate (integral) cot 2x dx.A. 1/2Ln sin 2x+C B. 1/2Ln cos 2x+C C. 1/2Ln sec 2x+C D. 1/2LN csc 2x+C
1. 1 answer
2. 489 views
how does the musculoskeletal system change from birth to adulthood to achieve 206 bones?
1. 1 answer
2. 444 views
Write 2sin37(degrees)sin26(Degrees) as a sum (or difference)
1. 0 answers
2. 393 views
Prove that tan (Beta) sin (Beta) + cos (Beta) = sec (Beta)Please explain.
1. 2 answers
2. 2,005 views
Prove that tan^2(alpha)-1+cos^2(alpha)sin^2(alpha)Please Explain
1. 2 answers
2. 539 views
Solve tan2 x + tan x – 1 = 0 for the principal value(s) to twodecimal places. Please Explain
1. 2 answers
2. 493 views
Solve cos 2x – 3sin x cos 2x = 0 for the principal value(s) totwo decimal places. Please explain.
1. 1 answer
2. 461 views
How to find the reciprocal of 5/3?
1. 1 answer
2. 358 views
How do you find the reciprocal of 5/3
1. 1 answer
2. 356 views
A weather balloon if it starts with 10 liters of helium at 0km elevation and a temperature of 20 degrees. it is released and
1. 1 answer
2. 531 views
Use the given equation to answer the following questions. (Enter your answers from smallest to largest.)r = 8cos(¦È) 0 ¡Ü
1. 0 answers
2. 565 views
Carole earns 2.50 for each gadget she completes, what was her gross pay if she completed 145 gadgets last week.
1. 1 answer
2. 510 views
How do you work this problem? Find the exact value of sin 2u, cos 2u, and tan 2u given that cot u=3 and 180<u<270
1. 0 answers
2. 503 views
What is a medical scientist,if you want to study medical science,what are the minimum requirements?and how can you briefly
1. 1 answer
2. 1,160 views
A box rests on the back of a truck. The coefficient of static friction between box and bed of the truck is 0.255.(a) When the
1. 2 answers
2. 1,715 views
A fire helicopter carries a 520-kg bucket of water at the end of a 20.0-m long cable. Flying back from a fire at a constant
1. 2 answers
2. 791 views
A student titrated 1.852 g of a mixture containing potassium hydrogen phthalate, KHP....?A student titrated 1.852 g of a mixture
1. 1 answer
2. 2,143 views
Determine the molarity of a sodium hydroxide solution? if 37.34 mL of it are required to neutralize 1.922 g of citric acid.balan
1. 1 answer
2. 895 views
Explain three checks and balances that are in place in south africa that control and regulate the media
1. 3 answers
2. 429 views
Zn metal was allowed to react with hydrochloric acid to produce hyrdogen gas.This gave a total of 555mL of gas collected over
1. 1 answer
2. 1,066 views
How many liters of hydrogen gas can be made from 65.5g of magnesium at STP?Magnesium reacts to sulfric acid according to this
1. 1 answer
2. 997 views
Using the van der Waals equation, determine the pressure of 436.0g of SO2(g) in a 7.30-L vessel at 725k.?For SO2(g),
1. 2 answers
2. 566 views
What how can I calculate the amount in moles and the mass in grams of KOH needed to convert 1.50 g of aluminum to KAl(OH)4.
1. 1 answer
2. 1,558 views
If the percent yield was 81.5%, how many grams of aluminum were used to prepare 20.0 g ofpotassium alum?
1. 2 answers
2. 3,532 views
Calculate the percent yield of alum if you obtained 75.0 g of potassium alum from 5.00 g Al.
1. 3 answers
2. 2,818 views

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