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lucy

Questions (291)

graphing linear equations
1. 1 answer
2. 12 views
linear equations
1. 1 answer
2. 12 views
8z+15+z=96
1. 1 answer
2. 13 views
at the beginning of the month a song on a streaming service had 500 listens and was getting 35 new listens each day. Meanwhile a
1. 1 answer
2. 12 views
solve for y17y-6=10y+15
1. 1 answer
2. 12 views
solve for x-7(5x-10)-10=25
1. 1 answer
2. 12 views
solve for j6(3j-12)=18
1. 1 answer
2. 9 views
solve for m25=15-2/5m
1. 1 answer
2. 10 views
solve for w-45=-5+10w
1. 1 answer
2. 12 views
solve for x20+x/4=40
1. 1 answer
2. 10 views
solve for y-8y=-64
1. 1 answer
2. 9 views
They used to tell me I was building a dream, and so I followed the mob,When there was earth to plow, or guns to bear, I was
1. 1 answer
2. 7 views
”We took away their best lands; broke treaties, promises; tossed them the most nearly worthless scraps of a continent that had
1. 1 answer
2. 10 views
n which of the following ways did the 1920s wealth gap contribute to the start of the Great Depression?(1 point) Responses The
1. 1 answer
2. 6 views
Why is it often colder on cloudy summer days?(1 point)Responses More sunlight is transmitted than reflected by the white upper
1. 1 answer
2. 9 views
Which property causes a pencil to appear bent or broken when it is placed in a glass partially filled with water?(1 point)Respon
1. 1 answer
2. 9 views
Solve for xto determine if the equation has one, none, or infinite solutions. 5(2x+2)−7x=3x+6 (1 point) Responses The equation
1. 1 answer
2. 10 views
Solve for xto determine if the equation has one, none, or infinite solutions. 4x=3(x+5)−15 (1 point) Responses The equation
1. 1 answer
2. 10 views
Solve for xto determine if the equation has one, none, or infinite solutions. 3(x+2)−6=3x (1 point) Responses The equation has
1. 1 answer
2. 11 views
What is the total number of credits you will need to graduate with a diploma?(1 point)
1. 1 answer
2. 9 views
Waves have energy that causes particles in matter to vibrate. So, it stands to reason that(1 point)Responses the higher the
1. 1 answer
2. 10 views
Use the information about four different waves to answer the question.Wave # Frequency Wavelength Wave 1 6.66 × 1014 Hz 450 nm
1. 1 answer
2. 9 views
Which wave contains the lowest energy?(1 point) Responses wave 4 wave 4 wave 1 wave 1 wave 2 wave 2 wave 3
1. 1 answer
2. 12 views
Frequency is measured in hertz. Which option best describes hertz?(1 point)Responses the length of a wave over a specified
1. 1 answer
2. 10 views
X-ray technicians wear protective gear to keep them safe from the X-rays. Why are X-rays dangerous?(1 point)Responses They have
1. 1 answer
2. 12 views
Movie Theatre A has a popcorn machine with a 120-gallon capacity. It sells 7 gallons of popcorn per hour. Movie Theatre B has a
1. 1 answer
2. 10 views
Two machines at a factory are filling cans of soup. One machine has filled 92 cans of soup. It fills cans at a rate of 16 cans
1. 1 answer
2. 7 views
An ice cream shop makes vanilla and chocolate ice cream. The vanilla ice cream machine has a 180-cup capacity, and it sells 20
1. 1 answer
2. 6 views
Movie Theatre A has a popcorn machine with a 100-gallon capacity, and sells 3 gallons of popcorn per hour. Movie Theatre B has a
1. 1 answer
2. 13 views
Two machines at a factory are filling cans of soup. One machine has already filled 180 cans of soup, and fills cans at a rate of
1. 1 answer
2. 14 views
Solve for x: 13x+26=3x−34 .(1 point) Responses x=3 x equals 3 x=18 x equals 18 x=−6 x equals negative 6 x=−9
1. 1 answer
2. 8 views
Solve for x: 4x+8=3x−10 .(1 point) Responses x=−10 x equals negative 10 x=−18 x equals negative 18 x=−8 x equals
1. 1 answer
2. 18 views
Solve for x: 3x−3=6x+18 .(1 point) Responses x=−6 x equals negative 6 x=2 x equals 2 x=−7 x equals negative 7 x=9
1. 1 answer
2. 16 views
Solve for x: 4x−3=3x−9 .(1 point) Responses x=7 x equals 7 x=−2 x equals negative 2 x=5 x equals 5 x=−6
1. 1 answer
2. 11 views
Solve for x: 9x+16=6x+1 .(1 point) Responses x=3 x equals 3 x=6 x equals 6 x=−5 x equals negative 5 x=−4
1. 1 answer
2. 12 views
What is reflection?(1 point)Responses a self-examination by the narrator a self-examination by the narrator the most important
1. 1 answer
2. 10 views
Solve for x: 20x−5(6x+15)=−45 .(1 point) Responses x=−2 x equals negative 2 x=2 x equals 2 x=3 x equals 3 x=−3
1. 1 answer
2. 14 views
olve for x: −4(3x+10)−2=54 .(1 point) Responses x=8 x equals 8 x=−4 x equals negative 4 x=−8 x equal negative 8 x=4
1. 1 answer
2. 13 views
Compare the following excerpts from two poems:“For those whom thou think’st thou dost overthrow /Die not, poor Death, nor
1. 1 answer
2. 14 views
132.7425 to the nearest gram
1. 1 answer
2. 110 views
Did you know the jessie left little mix because of mental health issues not because she was tired of it.KEEP GOING JESSIE
1. 0 answers
2. 135 views
A golfer strikes a golf ball with an initial velocity of 45 m/s at an angle of 40° to the horizon
1. 1 answer
2. 141 views
one less than the product of two and n
1. 1 answer
2. 153 views
Two point charges 5uc and 3uc are fixed 4cm apart . calculate the distance in between them at which the resultant is zero
1. 2 answers
2. 1,317 views
-3w-3x-7w+4x-2w simplified
1. 4 answers
2. 822 views
a)predict whether a 2.0mol/L solution of ammonia chloride will be acidic basic or neutralb) calculate the pH of a 0.20 mil/L
1. 1 answer
2. 531 views
what is the net charge of a molecule that has 8 protons and 11 electrons
1. 1 answer
2. 408 views
ling answered 86 problems on a test correctly and received a grade 98%. How many problems were on the test if all the problems
1. 1 answer
2. 636 views
What was the purpose of tomb paintings?
1. 2 answers
2. 418 views
If (92)p = 98, what is the value of p?
1. 1 answer
2. 158 views
Why is the Torah important to Judaism?A. It describes polytheism. B. It predicts the future of the Jewish people. C. It tells
1. 4 answers
2. 1,618 views
A line L1 passes through point (1,2) and has a gradient of 5.Another line L2 is perpendicular to L1 and meets it at a point
1. 2 answers
2. 461 views
anna brought a computer game for $12 and 2 posters that cost d dollars at the media store. how much money did anna spend
1. 1 answer
2. 433 views
if i were to get:Mathematics 80,English 85,Kiswahili 70,History 90,French 80,Chemistry 90,Biology 85,C.R.E 100.What would be my
1. 1 answer
2. 417 views
A frustrum that is cut of has the bottom radius being 63 and the top radius is 21.the height is 12.Find the volume of the
1. 2 answers
2. 391 views
60cm^3 of oygen diffuses through a porous pot in 50seconds.How long would it take 60cm^3 of oxgen gas diffuses through a porous
1. 1 answer
2. 489 views
The ratio of the 6th to the 2nd term of geometric sequence is 256.If the 3rd term of this sequence is 32.Determine the first and
1. 3 answers
2. 1,337 views
The 10th term of an arithmetic sequence is 42 more than the 7th term.If the 1st term is -14,find the second term of the sequence
1. 1 answer
2. 1,437 views
Write the 1st 3 terms of the sequence whose n^th term is given by 2^n+1.
1. 5 answers
2. 768 views
Calculate the number of moles of Na2CO3 present in 100cm^3 of 2 M Na2CO3 solution.i got 5 moles.am i right
1. 5 answers
2. 2,041 views
Determine the number of sodium ions contained in 25cm^3 of 0.5M sodium carbonate solution.
1. 2 answers
2. 764 views
Draw the structural formula and give the IUPAC names of the following hydrocarbon.a)CH3CHBrCHBrCH(CH3)CH3
1. 1 answer
2. 1,009 views
Find the length of a circle with diameter of 12cm and central angle of 30°
1. 3 answers
2. 625 views
If 25cm^3 of NaOH solution containing 4.0g per litre of solution neutralised 50cm^3 of a monobasic acid,HX containing 1.8g of
1. 2 answers
2. 1,053 views
If 25cm^3 of NaOH sol containing 4.0g per litre of sol neutralised 50cm^3 of a monobasic acid,HX containing 1.8g of
1. 1 answer
2. 507 views
A label on a bottle of HCL has the following information,density 1.134gm^-3 and % purity 37%. Find the mass of HCl in 1cm^3 of
1. 5 answers
2. 1,484 views
20cm^3 of sodium carbonate solution was reacted completely with 25cm^3 of 0.8 M HCL according to the equation.
1. 1 answer
2. 932 views
i have done my best in organic chemistry but still i cant seem to get it.plz help me out.
1. 1 answer
2. 319 views
State one reagent that can be used to distinguish btwn each of the pairs of ions and in each case state what is observed if each
1. 1 answer
2. 617 views
Determine the molarity containing 10.6g of NaCO3 dissolved in:a)250cm^3 of distilled water.i got 1.06. b)500cm^3 of distilled
1. 1 answer
2. 534 views
State the observation made in the reacting vessel when sulphur dioxide was prepared
1. 1 answer
2. 336 views
In a circle radius 10cm,an arc PQ subtends an angle of radians at the centre of the circle.Calculate the radius of another
1. 5 answers
2. 1,199 views
Mr.kanja,Miss Kanene and Mrs Nyaga have to mark a form three contest for 160 students.They take 5mins,4mins and 12 mins
1. 2 answers
2. 1,010 views
Find the probability of spinning a 5 and rolling a 1, 2, or 3.A) 1/16 B) 1/2 C) 1/6 D) 1/8
1. 4 answers
2. 2,181 views
A compound weighing 42 grams was found to contain 12 grams of magnesium,6 grams of carbon the rest oxgen.Determine the empirical
1. 3 answers
2. 1,514 views
How many moles of oxgen are in one mole of calcium carbonate?
1. 3 answers
2. 422 views
How do i plot this graphic quadratic equation y=x^2-8x+12.I have tried but i end up failing.Please help me and explain in detail
1. 2 answers
2. 492 views
A cylindrical metal bar of diameter 14 cm and length 2m is melted and moulded into spherical balls.In the process,5% by volume
1. 2 answers
2. 817 views
The coordinates of points A and B are A(2,3).B(4,-5).M is the midpoint of vector AB.Determine the coordinates of point M and the
1. 2 answers
2. 1,690 views
Rationalize the denominator and simplify:4 square root 5+3square root 2 divide 2square root 2-square root 5
1. 1 answer
2. 521 views
A distance of 12km is represented by a length of 4cm on a map.Given that the scale of the map is 1:n,find the a)value of n
1. 4 answers
2. 1,397 views
A man left his estate in kerugoya to his two sons.The remainder was to be shared equally among his six brothers.If the estate
1. 1 answer
2. 670 views
A rectangle measures 20 cm by 15.If each dimension is increased by 2.5cm,by what percentage is:a)the perimeter of the rectangle
1. 3 answers
2. 985 views
(-k/2)^2=2*18,k^2=36*4.How is this possible i have no idea where *4 came from
1. 3 answers
2. 318 views
y=2x^2-2x-3x+3 y=2x^2-5x+3 0=2x^2-3x-2 when you minus this u get y=-2x-3x+5 how is this possible
1. 3 answers
2. 287 views
Given that 2x^2-kx+18 is a perfect square,find k and hence solve the equation 2x^2-kx+18=0 by factorisation.Plz explain in
1. 3 answers
2. 1,230 views
Form a quadratic equation in the form ax^2+bx+c=0 whose roots are b and twice the negative reciprocal of b.plz explain in detail
1. 4 answers
2. 1,340 views
The angle of elevation of the top of a tree from a point P on a horizontal ground is 30°.From another point Q 8 metres from the
1. 7 answers
2. 968 views
Am re-posting this question.A certain volume of oxgen diffused from a given apparatus in 125 secs.In the same conditions,the
1. 5 answers
2. 425 views
A certain volume of oxgen diffused from a given apparatus in 125 secs.In the same conditions,the same volume of gas N,diffuse in
1. 4 answers
2. 794 views
I have tried posting a question on matrix bt i just dont know how to write the question u know the arrangement of numbers.Plz
1. 7 answers
2. 433 views
I want to be a lawyer but i have no idea what grades i shld get in every subject so as to achieve this and i dont take physics
1. 1 answer
2. 270 views
Simplify the following surd.Square root of 16/9.square root of 8+square root 18 +square root 50.Plz explain in detail
1. 2 answers
2. 468 views
A village water tank is in the form of a frustrum of a cone of height 3.2 cm.The top and bottom radii are 18cm and 24cm
1. 2 answers
2. 453 views
Three litres of water 1g/cm^3 is added to twelve litres of alcohol density 0.8g/cm^3.What is the density of the mixture?
1. 2 answers
2. 1,442 views
am getting problem with getting the volume of a density of mixture plzzzz am really really in need of your help
1. 1 answer
2. 297 views
i got till 10.5 litres how does one get till 847.6
1. 2 answers
2. 337 views
A piece of metal has a volume of 20 cm^3 and a mass of 300g.Calculate the density of the metal in kg/m^3.i got 15.plz confirm my
1. 3 answers
2. 2,439 views
Write a balanced equation for the reaction between rhombic and hot nitric acid
1. 3 answers
2. 566 views
When 34.8grams of potassium sulphate was dissolved in 500cm cubed distilled water.calculate :the concentration of potassium
1. 3 answers
2. 1,750 views

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