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Lara

Questions and answers by Lara

Questions (79)

The difference between the two digits of a two digit number is 2. If the digits swap places,the number is 18 less than the
1. 5 answers
2. 1,704 views
x, x+5, x+9 form a geometric sequence; find the value(s) of x and the numerical value of each term.
1. 3 answers
2. 715 views
I don't know how to rewrite an expression using rational exponent notation. The problem is shown as ^3 square root of 11.
1. 3 answers
2. 1,353 views
What websites do i look at for shelter and agriculture of the early west africa?
1. 1 answer
2. 383 views
Did I get the right answersimplify: -6[-28-(20-48)] I got that it simplified to 0 Am I right?
1. 1 answer
2. 313 views
Is (5,2) a solution of 4x-2y=-6I said no, am I right? I am working on another problem where they want to know if this system of
1. 3 answers
2. 445 views
Is (5,2) a solution of 4x-2y=-6I said no, am I right? I am working on another problem where they want to know if this system of
1. 2 answers
2. 688 views
If water is lost at 20ft^3/day when W= 10,000 ft^3 then the leakage rate constant in the differential equation is 20/10,000 or
1. 4 answers
2. 503 views
you have received a business research study done by a consultant for a life insurance company. The study is a survey of customer
1. 2 answers
2. 543 views
Which of the following is true of the association between brand loyalty and attitude toward the brand?As brand loyalty
1. 3 answers
2. 509 views
Bill wants to write the equation that demonstrates the model for explaining quarter-life crisis. He is using optimism, locus of
1. 2 answers
2. 546 views
What mass of melamine, C3N3(NH2)3, will be obtained from 159.5 kg of urea, CO(NH2)2, if the yield of the overall reaction is
1. 3 answers
2. 966 views
investigators at an agricultural research facility randomly assigned equal numbers of chicken to be housed in two rooms. In room
1. 3 answers
2. 1,657 views
If 31.00 mL of a dilute solution of lime water (calcium hydroxide) required 10.10 mL of 0.246 M hydrochloric acid solution for
1. 3 answers
2. 537 views
A cart of 2kg travellin @6m/s collides wit another cart of mass of 0.4kg travellin in the same direction @ 2m/s. The 2kg cart
1. 1 answer
2. 419 views
A cannon placed at the top of a 100.0 m high cliff fires horizontally to a platoon of Hussars situated initially 1.0 km away
1. 2 answers
2. 554 views
I need some help to explain this sentence: "Suddenly summoned to witness something great and horrendous, we keep fighting not to
1. 1 answer
2. 405 views
What kind of awards do they give out @ a 7th grade/8th award ceremony???
1. 6 answers
2. 548 views
Express 15 as a percentage of 60 what is the answer
1. 2 answers
2. 502 views
When HgO is heated, it decomposes into elemental mercury and diatomic oxygen gas. If 42.9 g of Hg is obtained from 70.1 g of the
1. 2 answers
2. 1,013 views
A solution is found to contain 1 x 10-4 OH− ions, determine the pH of this solution.I did this problem and got 4 but it is not
1. 4 answers
2. 605 views
The amount of energy released by burning a fuel source, measured in energy per mass, is called the fuel value. If all the energy
1. 4 answers
2. 2,354 views
A light beam containing red and violet wavelengths is incident on a slab of quartz at an angle of incidence of 50.0°. The index
1. 1 answer
2. 689 views
If 10 DNA template molecules are used and 20 cycles of PCR, how many copies of a template would be amplified?I am pretty sure I
1. 1 answer
2. 1,095 views
A constant force of 58.3 N, directed at 31.7 degrees form horizontal, pulls a mass of 11.9 kg horizontally a distance of 2.77 m.
1. 3 answers
2. 515 views
1. Lee Holmes deposited $16,700 in a new savings account at 6% interest compounded semiannually. At the beginning of year 4, Lee
1. 2 answers
2. 971 views
What is the value of the variable cost ?If the break even point is $ 130, the fixed cost is $ 330, selling price per unit is $
1. 3 answers
2. 413 views
A cone with base radius of 5 cm and height of 20 cm is filled withoil with specific gravity of 0.85. Determine the dimension of
1. 2 answers
2. 502 views
A cylinder with internal diameter of5cm and 15 cm high is filled up with an unknown substance. The mass of the cylinder is 4.6
1. 2 answers
2. 980 views
Anger and Snap Judgments Read the article entitled “Anger Can Cause Snap Judgments” and answer the following questions.ANGER
1. 5 answers
2. 3,542 views
If you do 500J of work to elevate a bucket of water, what is its gravitational potential energy relative to its starting
1. 2 answers
2. 630 views
Select all the statements that apply to the sentence below.She did not believe that he actually knew the rules of bowling. -The
1. 6 answers
2. 4,544 views
Identify the verbal in this sentence as infinitive, gerund or participle.They cried, but there was none to save them: even unto
1. 6 answers
2. 4,532 views
Identify the verbal in this sentence as infinitive, gerund or participle.The old woman slept, not realizing she was no longer
1. 6 answers
2. 2,589 views
If there are 5,280 ft=1.00 mile ,how many miles are in 50,000 ft?
1. 6 answers
2. 442 views
three liquids have densities of 1.15g/m, 0.79g/ml, and 0.95 g/ml. When the liquids, which do not mix, are poured into a
1. 5 answers
2. 1,512 views
A stone is projected vertically upward with a speed of 20 m/s.a. What is its velocity at the end of 2s? b. What is the height
1. 4 answers
2. 929 views
If cot theta = -12/5 and the terminal side of theta lies in quadrant II find secant theta
1. 2 answers
2. 1,248 views
Find all values of theta where 0degrees<theta<360 degrees when csc theta = square root 2
1. 2 answers
2. 502 views
Find all values of theta where 0degrees<theta<360 degrees when csc theta = square root 2
1. 5 answers
2. 614 views
Find all values of theta where 0degrees<theta<360 degrees when csc theta = square root 2Please detail how/why i can get to the
1. 5 answers
2. 557 views
Find the exact value of csc 4pi/3What I have determined thus far: 4pi/3 = 60 degrees sin = square root of 3/2
1. 5 answers
2. 1,267 views
Johnie has 3 Jackets (J1, J2 and J3)and 2 shirts (S1, S2) and 2 Trousers (T1, T2). He wants to wear 3 pieces of clothes daily.
1. 3 answers
2. 415 views
Tony has 3 jackets and 2 shirts and 2 pants. He wants to wear three items every day. How many outfits he can choose of the same
1. 5 answers
2. 536 views
Which atom has a change in oxidation number of –3 in the following redox reaction? K2Cr2O7 + H2O + S - - > KOH + Cr2O3 + SO2Cr
1. 2 answers
2. 517 views
Of the following metals, which ions are most easily reduced?aluminum*** iron mercury potassium
1. 4 answers
2. 1,470 views
In the zinc-copper cell, Zn(s) | Zn^+2(1M) || Cu^+2(1M) | Cu(s), which electrode is negativeCu^+2 Cu(s) Zn(s) Zn^+2***
1. 2 answers
2. 499 views
You can temporarily receive relief from acidindigestion by using an antacid that contains a base. Why is it not a good idea to
1. 2 answers
2. 544 views
Your long distance telephone providers offers two plans.Plan A has monthly fee of $15 and $0.25 per minute. Plan B has a monthly
1. 6 answers
2. 7,350 views
Azaleas are flowering shrubs that produce numerous colorful blossoms. Assume that a single gene determines the color of the
1. 1 answer
2. 445 views
Sophie borrowed $2000 at a simple interest rate of 15% for 3 years to repay the loan and has $900 in interest. If Sophie's
1. 4 answers
2. 931 views
While walking from her house to school, Miriam walks at a pace of 5 km/h. When she walks in the hallways at school, she slows
1. 2 answers
2. 650 views
The radius of moon is 27% of the earth radius and its mass is 1.2 % of the earth mass find the acc due to gravity on surface of
1. 4 answers
2. 2,051 views
The radius of moon is 27% of the earth radius and its mass is 1.2 % of the earth mass find the acc due to gravity on surface of
1. 3 answers
2. 800 views
Q69 Which of torque given below is required to change the angular momentum flywheel from 15kgm_2/s to 150kgm_2/s during a time
1. 4 answers
2. 887 views
Q85 three resistor are connected in parallel total resistance is 5 ohm if p.d across first resistance is 20V then the potential
1. 3 answers
2. 424 views
How many mole of O2 are needed for complete combustion of two mole of butane C4H10?ANS 13
1. 3 answers
2. 430 views
Change on each plate of a parallel plate capacitor is 6microC and capacitance is 4 microf what is p.d between plates?Ans 1.5
1. 3 answers
2. 448 views
Q54 The ratio of the rate of diffusion of two gases is1:3 then ratio of the molecular wieght?Ans 9:1
1. 1 answer
2. 382 views
Q49 One litre of solution contain 30g acetic acid the active mass of acetic acid is?Ans 1.0mol/L
1. 4 answers
2. 1,370 views
Q35 5 mol of H2O contain no of OH ions ?Ans 3.10×10^24ions
1. 1 answer
2. 289 views
Q31 How many moles are present in 20 cm^3solution of 0.05M HCL?Ans 10^-3mol
1. 1 answer
2. 329 views
Q60 The radius of 4rth orbital of an atom if bohrs radiusis 0.529A will be? Ans 8.4A
1. 3 answers
2. 293 views
Part A: The difference A\B of two subsets A and B of is the set A∩( \B) of all points of which are in A but not in B. Show
1. 1 answer
2. 430 views
a ball thrown upward with a velocity of 19.6m/s will come momentarily in rest in?Ans 2sec
1. 3 answers
2. 752 views
a current of 3 amp is passing through a galvanometer if a high rasistance is connected in series to it the total current that
1. 3 answers
2. 1,252 views
I NEED URGENT HELP WITH THIS QUESTION!!!!Question: The terms of a geometric sequence are 4x+1, x+4, and 10-x. Determine the
1. 5 answers
2. 393 views
Demonstrate that t T: P3 -> P3, Tp = p' is a linear function.I know that to demonstrate if something is a linear function I
1. 1 answer
2. 361 views
If 5% of electric bulb manufactured by a company are defective find the probability that in a sample of 100 bulbs.(1)None if
1. 1 answer
2. 931 views
Two point charges qA=-6nC and qB are placed in vacuum. The charge qA is at a distance of 12cm from a point D. The charge qB is
1. 1 answer
2. 769 views
If $20,000 is invested at an annual rate r (expressed as a decimal) compounded monthly, the total amount (principal P and
1. 1 answer
2. 300 views
A baseball of mass 0.15 kg is struck by a bat with a force of 5000 N. What is the acceleration of the ball?
1. 3 answers
2. 472 views
what's the difference between stopping voltage and saturation current? cheers.
1. 1 answer
2. 148 views
What does 'r' actually stand for in the binomial expansion?
1. 1 answer
2. 143 views
For longitudinal sound waves, why is the pressure a maximum when the displacement of the particles is zero? I can't quite wrap
1. 1 answer
2. 183 views
Drake observed that the snake’s (that ate an elephant) profil can be well approximated by f (x) = xe^(−x^2)where 0 ≤x
1. 1 answer
2. 198 views
Which of the following describes members of an extended family?mother, father, sisters, and brothers aunts, uncles, cousins,
1. 2 answers
2. 237 views
use benchmarks to estimate each sum or differance 4/5+8/9 connections academyabout 1 1/2 about 1 3/4 about 1 8.9 about 2 please
1. 1 answer
2. 95 views
a water tank in the shape of a circular cone with its top down, with a base radius of 5cm and height of 10cm. pour water into it
1. 4 answers
2. 125 views

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