Questions and answers by

Shreya

Questions (136)

A 600g object is tied to a string 1m long and it is rotated in a horizontal circle of radius 0.8m thus the tension produced on
1. 2 answers
2. 251 views
in four innings Clint scored 60 runs, 40 runs, 84 runs, and 16 runs respectively. How many runs must he score to raise his mean
1. 1 answer
2. 259 views
cleo collected a sack of seashells at the beach. she gave amy 2/5 of the seashells and used 1/4 of the remainder for a craft
1. 1 answer
2. 326 views
find the magnitude resultant of two forces (3j+4j) and (3j+4k)
1. 2 answers
2. 385 views
A block and tackle of 5 pulleys is used to raise a load of 5o kgf steadily through a height of 20m. The work against friction is
1. 1 answer
2. 816 views
The length of wire is 25.5cm and it's radius is 1.02mm. Calculate the percentage error in mesurement of its volume
1. 1 answer
2. 736 views
Devide the sum of 5/21 and 4/7 by their difference
1. 1 answer
2. 432 views
A child leaves her book bag on a slide. The bag, which is at the top of the slide, starts from rest and reaches the bottom in
1. 1 answer
2. 1,227 views
Why the ball of ventrical is thicker than the ball of atrium
1. 1 answer
2. 396 views
Why the ball of ventrical is thicker than the ball of atrium
1. 1 answer
2. 350 views
A circular park of 28 m diameter has been constructed. A 3.5m circular track outside has been developed along the park. Using
1. 2 answers
2. 681 views
I bought 12 dozens of eggs at Rs 7.20 per dozen .Eighteen eggs were broken .I sold the remaining eggs at the rate of Rs 7.50 per
1. 1 answer
2. 906 views
How many electrons are present in 0.01 moles of sulphate ion
1. 1 answer
2. 397 views
A bullet is moving with velocity u after emerging from a plankits velocity reduces by u/20 then find the total number of planks
1. 1 answer
2. 503 views
If non-nucleated cells of meristematic tissue are used for tissue culture, then growth rate will be :a) High b) Average c) Very
1. 4 answers
2. 612 views
Fill in the blanks with appropriate form of verb (past tense)The jewellery _____(be give)to her by her husband, who _____ died
1. 6 answers
2. 831 views
Punctuate:My orchard was often robbed by schoolboys and my wife's custards plundered by cats. I think the answer would be: My
1. 1 answer
2. 1,729 views
Please explain adverb phrases, prepositional phrases, verb phrases, noun phrases and adjective phrases along with examples.2)
1. 1 answer
2. 1,040 views
1) Observe the relation and fill in the blanks.food:crude:: should: ____ (I think the answer could be prude but it could also be
1. 1 answer
2. 717 views
1) If it rained heavily, the reservoirs______ full.Use the right form of verb to fill in the blanks. a) will be b)would be
1. 3 answers
2. 1,966 views
Punctuate the following sentence:How is the weather today Sam said John. I think the punctuated sentence would be: "How is the
1. 7 answers
2. 545 views
"Fame shall sound thy praise from sea to sea".Can this be considered an example of personification?
1. 2 answers
2. 2,335 views
Which of the following is a simple sentence?a) He ran fast but he failed to win the prize. b) Although he ran fast he failed to
1. 12 answers
2. 3,846 views
Honour and reputation (is/are) dearer than life. Suitable form of verb is:
1. 7 answers
2. 2,082 views
(3-4sin^2A)(1-3tan^2A) =(3-tan^2A)(4cos^A-3)
1. 0 answers
2. 755 views
theo invests £800 in an account that pays 2% simple interest each yearhow much interest is earned in a year how much there will
1. 1 answer
2. 573 views
Hey ms sue can you please help me to simplify this paragraph?Raynaud's disease occurs when the small arteries (arterioles) that
1. 3 answers
2. 548 views
Hey I want to shorten this paragraph out which tells what Raynaud's is, can anyone please simplify it and make it shorter
1. 3 answers
2. 578 views
Hey im doing a powerpoint presentation on this raynaud's disease, and could someone please give me some good sites to go through
1. 1 answer
2. 806 views
Did a catalase producing hydrogen peroxide lab, used manganese dioxide, fresh frozen liver, potato, ice, fine clean sand, etc.
1. 0 answers
2. 587 views
I want to know the causes of heat stroke and heat exhaustion. I cant seem to find separate causes for the two, finding very
1. 0 answers
2. 483 views
Hey I am doing a lab, the link is downh t t p : //w w w . sd67 . bc .
1. 0 answers
2. 733 views
which of the following 0.10M solutions is basic?A LiCl B K3Po4 C NaCLO4 D NH4NO3 Is it C?
1. 1 answer
2. 894 views
define the term strong bronsted lowry acidit is 100% ionized in solution? is that it?
1. 7 answers
2. 483 views
name a compound that acts as a weak base?methanol? define the term weak bronsted-lowry base im not sure how to put this in
1. 1 answer
2. 610 views
permuationsan orchestra has 2 violinsts, 2 cellisst, and 4 harpists. Assume that the players of each instrument have to sit
1. 3 answers
2. 4,032 views
The value of Kb for HPO₄²- is?A. 2.2*10^-13 B. 6.2*10^-8 C. 1.6*10^-7 D. 4.5*10^-2 I don't get how to solve this.
1. 9 answers
2. 5,571 views
The [OH-] of a solution with a PH 5.75 isis it 5.6*10-9M?
1. 2 answers
2. 716 views
Identify the point on the unite circle coressponding to an angle of 300 degrees in standard positionA (-√3, -√3/2) B
1. 2 answers
2. 538 views
Another sine/cosine question i don't getin vancouver on certain day, high tide is 20m at 2am, the next low tide is 8m at 6am,
1. 1 answer
2. 1,078 views
Modelling with sine/cosineA Ferris wheel has a diameter of 30m. The bottom of the wheel is 1.5m off the ground it takes 3.5min
1. 1 answer
2. 1,262 views
The height h, in metres, above the ground of a car as a ferris wheel rotates can be modelled by the function h(t) =
1. 2 answers
2. 8,685 views
Graphing trigonometric functionsA sinusoidal function has a maximum at (2,10) and its next minimum (5,-2) find an equation that
1. 3 answers
2. 737 views
Laws of logarithmsevualuat using change of base rule log(√8)16 ^the square root 8 is supposed to be subscript. the answer i
1. 3 answers
2. 1,127 views
Solving problems that involve logarithmsthe sound at a rock concert decreases by 10% for every 5m travvelled. how far does it
1. 4 answers
2. 837 views
Laws of LogarithmsEvaluate: without using a calculator, except for the first one. The 5.6 is supposed to be subscript, but i
1. 2 answers
2. 466 views
I also do not get these inverses questionsy = 5(x-3)^3 x = 5(y-33)^3 I divided 5 on both sides and got 1/5x = (y-3)^3 Then do I
1. 9 answers
2. 479 views
Im trying to find the inverse of this: y = 2/3x-4I got to this step x+4 = 2/3y I need to divide by 2/3 to get rid of 2/3 beside
1. 6 answers
2. 501 views
Im going over my pre calculus 12 exam, and I need help with one question from the chapter Transformations of graphs and stuff.Co
1. 0 answers
2. 479 views
andrew is working on a binomial problem (1/2x-y)^7. He asks u to :i) what the coefficient of the 6th term ii) find the term that
1. 2 answers
2. 678 views
Im on the chapter of permutations/combinations/fundamental counting principleneed help with 2 questions 1. emma is arranging her
1. 1 answer
2. 568 views
Same problem with this questionThe angle θ is in the fourth quadrant, and tan θ = -3/7. Point P is on the terminal arm of
1. 2 answers
2. 585 views
The angle θ is in the second quadrant and tan θ = -3/5. Point P is on the terminal arm of angle θ/ Which is a possible
1. 1 answer
2. 996 views
Trigonometric Functions, Radian Measure∏ <-- will be using this for pi Using exact values, convert to radians ( hint use
1. 2 answers
2. 708 views
Applications of LogarithmsI really need help with this log stuff please. If the PH of acetic acid is 5, what is the PH of
1. 1 answer
2. 396 views
Reiny you helped me with this logarithm yesterday: How did you write it out aslog2 ( √A / B^3 ) Laws of logarithms combine,
1. 1 answer
2. 668 views
Laws of logarithmscombine, write as a single logarithm Need help on this question please, Im stuck, don't know where to go
1. 1 answer
2. 753 views
Laws of LogarithmsWithout using a calculator use the change of base rule to evaluate 1. a) log(subscript8)32(hint use base 2)
1. 1 answer
2. 701 views
Exponential FunctionsA=P(X)^t/n A-final amount P-initial amount X-growth rate t-time n-number of growth periods The teacher had
1. 2 answers
2. 1,121 views
Exponential FunctionsThis is my equation that models the accumulated amount (A) at any time t. A = 1000(1+0.08/12)^t*12 ^ How do
1. 0 answers
2. 390 views
solve by fully factoringx^3-7x-6=0 How would I fully factor this?
1. 0 answers
2. 446 views
Radical FunctionsGraph y=(x-3)(x+2) and y=√(x-3)(x+2). where are the x-intercepts of each function ?why? for the first one, i
1. 1 answer
2. 533 views
Rational Functionsy = (x^2+7x-4)/(x-2) Since the degrees of both the numerator and denominator are the same, I would use the
1. 3 answers
2. 565 views
Rational Functionsdoes the following function have a hole or a vertical asymptote or both? how do you know? find the y-value at
1. 3 answers
2. 1,184 views
I'm having a hard time understanding Endothermic and Exothermic reactions, like their standard format and stuff. For Exothermic
1. 2 answers
2. 1,509 views
Composition of FunctionsIf f(x) = 2x+1 find A. f o f(x) f(f(x)) = f(2x+1) f(2x+1) = 2(2x+1) f(f(x)) = 4x +2 B. f o f o f o f(x)
1. 1 answer
2. 2,520 views
Composition of Functionsf o g(x)=f(g(x)) --> I know that this is eqivalent to f(g(x)) Given f(x) = 2x+1, and g(X) = 3x+1 find:f
1. 1 answer
2. 658 views
Operations with Functionswrite the function below as either a sum/difference/product/quotient of 2 r more functions a. h(x) =
1. 1 answer
2. 534 views
Graphing PolynomialsDecide whether each of the following is sometimes true, always true, or never true and explain reasoning. A.
1. 1 answer
2. 1,414 views
if you double the concentration of HCL acid, will that double rate of reaction? i have to explain in terms of the theory of
1. 2 answers
2. 804 views
out of these conditions, which would result in fastest reaction?a. 2.0M HCL, powedered CaCO3 chip, 50 degrees celsius b. 6.0M
1. 3 answers
2. 630 views
-5x divided by x, how come that equals -5, but not -5x, how do the x's cancel out?
1. 1 answer
2. 329 views
y=f(x+5/2)I timesd x+5 by 2 to get rid of 2 at the bottom and timesd y by 2. Then to get rid of 2 from y i divided it, and i got
1. 3 answers
2. 417 views
Need help with this question, don't get it.Given the relation x^2+3x=y^2-2y, what is the new relation if it has undergone: A.
1. 1 answer
2. 579 views
Need help with this question, don't get it.Given the relation x^2+3x=y^2-2y, what is the new relation if it has undergone: A.
1. 0 answers
2. 550 views
Individuals whose characteristics are well-suited to their environment survive. Individuals whose characteristics ar not
1. 3 answers
2. 1,640 views
i post my biology questions here today and few days ago no teacher reply. there not any biology tutor on here?
1. 3 answers
2. 891 views
any site i go onto that be animation site to find out about nucleic acids and protein synthesis? this chapter soo hard. codon,
1. 0 answers
2. 436 views
why is DNA replication necessary to life?
1. 0 answers
2. 373 views
why DNA replication necessary to life?
1. 0 answers
2. 865 views
why dna replication necessary to life? i think it because it carry genetic information?
1. 0 answers
2. 981 views
please i need this by tomorrow.if nucleii are 3 micrometres long, how big are the cells? these r 2 questions i not get.
1. 3 answers
2. 408 views
this part of organism usually found underground, what organele conspicuously absent?
1. 2 answers
2. 403 views
I converting 0.001mm to micrometers using staircase method and micro come under millimeter, so that mean move one decimal to
1. 1 answer
2. 453 views
i want know how to say this in words. I try myself in brackets. i am doing this for bio class so if i have to speak out loud
1. 4 answers
2. 965 views
Elemental antiomony made by these reactions down below:Sb2S3 + 5 O2 - > Sb2O4 + 3 SO2 Sb2O4 + 4 C - > 2 Sb + 4 CO how many grams
1. 3 answers
2. 1,223 views
i doing my physics work and so i have to convert 0.0023mm to meters and it seem so easy but i not know how. i first convert it
1. 6 answers
2. 716 views
solve for x. |3x-2| = |2x+5|+1okay so for these one it be |3x-2| = |2x+5| because 1 times in with |2x+5| or it be (-2x-5)
1. 1 answer
2. 326 views
|2x-3|-|2x+5| = 0 i please need helps with this.
1. 1 answer
2. 275 views
using quadratic formula solve|x^2-2x-6| = 4. and answer have to be 1+-sqrt3, 1+-sqrt11 i just not get how to get this.
1. 2 answers
2. 601 views
value of |7|-|-6|+|-cubicroot-64|i got 25 after doing whole thing but real answer be 5, i not get how to get that.
1. 5 answers
2. 392 views
if graoh of y = g(x) passes through point (-3,-6) then graph of y = |g(x)| must pass through point.how it be this answer i want
1. 4 answers
2. 732 views
|3-x|-1 = |4x+2|i try to do this and i not get correct answer which be -4/3 and 0.
1. 1 answer
2. 281 views
solve for x. |3x-2| = |2x+5|+1okay so for these one it be |3x-2| = |2x+5| because 1 times in with |2x+5| or it be (-2x-5)
1. 2 answers
2. 948 views
|2x-3|-|2x+5| = 0 i please need helps with this.
1. 1 answer
2. 270 views
solve equation |x^2-2x-6| using quadratic formula. i not get how to do this and it says quadratic formula.
1. 3 answers
2. 530 views
|2x+1|-|x-2| = 2i not get how to do this cause everything on one side i never did these question like this before.
1. 1 answer
2. 314 views
solving equations with two absolute value brackets|x+4| = |x-2| so i want to know how to do this? do i always have to write out
1. 2 answers
2. 809 views
so with this one i do the same thing multiplying what inside absolute value bracket bar with what outside?|2x-8|-2 = 4x so that
1. 2 answers
2. 1,193 views
solve3|x-8|=2x+7 i not get how to solve this the 3 infront of absolute value bracket confusing me.
1. 7 answers
2. 384 views