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Questions (81)

y=x^2+5x+1,y=3x+25
1. 1 answer
2. 93 views
Simplify −5(2x−6)+25x
1. 1 answer
2. 248 views
what can i be with this subjects
1. 1 answer
2. 263 views
A baket of mass 2.5kg is shot and move with a velocity of 30ms calcute the kinetic energy of bullet
1. 3 answers
2. 307 views
2 C2H2(g) + 5 O2(g)  4 CO2(g) + 2 H2 (g)How many L of CO2 gas (measured at STP) will be formed during the combustion of 50.0L
1. 2 answers
2. 671 views
An object has a gravitational potential energy of 24 joules when it rests on a shelf 3 m above the ground. What would be its
1. 0 answers
2. 271 views
An object of mass 1.5 kg rests on a shelf where it has a gravitational potential energy of 7 joules. An object of mass 4.5 kg is
1. 1 answer
2. 310 views
please solve w fair is partly x and partly as the square of x when x is equals to 3 w is equals 18 and when x equals to 5 w is
1. 3 answers
2. 266 views
3√2+5√2-10√2 is equal to
1. 1 answer
2. 241 views
the thickness of book varies directly with the number of pages ,a book is 1.8
1. 2 answers
2. 499 views
3/4 of the girls in SSS1 play basket ball and 4/7 play volleyball. Every girl plays at least one of these games. If 27 girls
1. 3 answers
2. 2,385 views
What was the aim of the Reign of terror
1. 2 answers
2. 691 views
A train moving on a circular track with a diameter of 14,642 km,takes 50 minute to complete one revolution. calculate the
1. 1 answer
2. 957 views
the rectangular garden of 6 metres by 4 metres is surrounded by a path of uniform width. if the area path is 56m squad, what is
1. 2 answers
2. 707 views
the rectangular garde of 6 metres by 4 metres is surrounded by a path of uniform width. if the area path is 56m squad, what is
1. 1 answer
2. 501 views
how much work is done if a force of 12N moves an object a distance of 5m
1. 2 answers
2. 2,986 views
Assume you are starting a new research project from scratch, you are interested in one of the following proteins and want to
1. 0 answers
2. 685 views
How could you write 35% as the sum of two benchmark percents or as a multiple of a percentTHIS IS 6TH GRADE MATH IT IS PRE
1. 3 answers
2. 689 views
Consider the cost function C(x)=x^3-3x^2+100x-10, discuss its domain
1. 1 answer
2. 389 views
an average of 760m, 96.2mm wide angled, height of 3 600m. what the scale of these photographs?
1. 0 answers
2. 458 views
an open water tank with length 20 m and width 15 m holds 4800 cubic metres of water.calculate the total surface area of the part
1. 1 answer
2. 572 views
Is 38/53 in simplest form? Explain why or why not. If not, write it in simplest form.
1. 104 answers
2. 10,396 views
Patsy has cheer leading practice every fourth day. She wants to be in the school play. but they have practice every sixth day.
1. 1 answer
2. 808 views
Find the centres and radii of the circles given byA)x2+y2=6x B)x2+y2-6x+14y+49=0
1. 1 answer
2. 487 views
a cask containing 20 liters of wine was emptied of one-fifth of its contents and then filled with water. if this is done 20
1. 2 answers
2. 11,032 views
How much interest is earned on $470 at 4% for seven years?
1. 5 answers
2. 2,880 views
If u borrow $675 for 6years at an interest rate of %10, how much interest will u pay?
1. 2 answers
2. 1,508 views
I am less than 20 I am an odd number I am the square root of 225 I am
1. 2 answers
2. 456 views
write the number as a mixed number11 over 2
1. 5 answers
2. 556 views
9 to the power of 2x+1=81 to the power of x ÷3 to the power of x
1. 1 answer
2. 393 views
Traditional healers should be allowed to practice and prescribe medicine in hospital and clinics
1. 4 answers
2. 813 views
Hello.I have a question. Do sprouts germinate? Thank you for the help. PLEASE HELP:)
1. 1 answer
2. 877 views
you and a flight attendant toss a ball back and forth in an airplane in flight. Does the kinetic energy of the ball depend on
1. 1 answer
2. 824 views
you and a flight attendant toss a ball back and forth in an airplane in flight. Does the kinetic energy of the ball depend on
1. 2 answers
2. 2,550 views
what are the steps in baking of cake?
1. 1 answer
2. 505 views
find the theoreticval value of the period of a pendulum of length 0.9 meters located on the surface of the earth.
1. 1 answer
2. 450 views
why cant Na be used to prepare H2?
1. 1 answer
2. 360 views
The following is a list of figures for a given year in billions of dollars. Using this data, compute: (a) GDP; (b) NDP; (c) NI;
1. 1 answer
2. 1,541 views
what is the line segement for each length 2 1/4 and 7/8 when measured with a ruler
1. 0 answers
2. 397 views
What happens when smog lifts in los angeles, california?
1. 4 answers
2. 3,213 views
penny put 5 dounts in one pack how many packs will she have in 2587
1. 5 answers
2. 385 views
At a certain instant a moving object comes to momentary rest. Is it accelerating at that moment?
1. 2 answers
2. 2,515 views
Factorize Xsquare-6x-3
1. 1 answer
2. 483 views
what is the vapor pressure of alcohol in 25 degree celcius? the answer should be answered in millimeter mercury.tnx^_^
1. 1 answer
2. 495 views
For the following questions, use the reaction SO3(g) SO2(g) + O2(g), with ÄH = 98.4 kJ/mol and ÄS = 0.09564 kJ/(mol·K). (8
1. 3 answers
2. 1,703 views
Use the acid-base reaction HI + CsOH CsI + H2O to answer the following questions.i. What is the Arrhenius acid and what is the
1. 1 answer
2. 2,780 views
What is the Arrhenius acid and what is the Arrhenius base in the above reaction?
1. 0 answers
2. 1,196 views
Use the following steps to balance the redox reaction below:Mg + Au+ Mg2+ + Au a. Write the oxidation and reduction
1. 3 answers
2. 2,382 views
What makes this an oxidation-reaction? 3Ag2S+2Al(s) -> Al2S3+6 Ag(s)?Write the half-reactions showing the oxidation and
1. 2 answers
2. 5,648 views
If 852.04 g Al(NO3)3 reacted with the 741.93 g Na2CO3, which would be the limiting reagent?c. Use the limiting reagent to
1. 1 answer
2. 2,441 views
If 3 moles of a compound use 12 J of energy in a reaction, what is the Hreaction in kJ/mol?A. -4 kJ/mol B. -0.004 kJ/mol C.
1. 9 answers
2. 8,317 views
Calculate the empirical formula of a molecule with the following percent compositions: 55.0% gallium (Ga) and 45.0% fluorine
1. 2 answers
2. 3,120 views
Which describes a source of radiation heat?A. Liquid or gas circulating to move the heat B. The sun sending out electromagnetic
1. 0 answers
2. 566 views
What must be known for the rate constant to be calculated from the rate law?
1. 1 answer
2. 484 views
MnO4–(aq) + Cl–(aq) Mn2+ + Cl2(g) (unbalanced)i. Write the reduction and oxidation half-reactions (without electrons). (.5
1. 1 answer
2. 1,726 views
MnO4–(aq) + Cl–(aq) Mn2+ + Cl2(g) (unbalanced)i. Write the reduction and oxidation half-reactions (without electrons). (.5
1. 5 answers
2. 27,756 views
Question 1: Kinetic Theory (7 points)a. Briefly state what the kinetic theory says. (2 points) b. Put the following molecules in
1. 1 answer
2. 1,469 views
A swimming-pool worker wants the pool's pH to be 7.2. She comes by to test the water and finds that the pH is 9.2. What should
1. 13 answers
2. 1,552 views
What is the pOH of a solution with [OH-] = 2.0 10-2?
1. 1 answer
2. 522 views
1. List at least three things that your body strives to keep constant. Think about what aspects of your body overall, of one
1. 7 answers
2. 5,824 views
What would happen to a weak base dissociation equilibrium if more products were added?
1. 1 answer
2. 975 views
What would happen if O2 were added to N2(g) + O2(g) 2NO(g) at equilibrium?
1. 1 answer
2. 774 views
A 75.0 sample of 1.50×10^−2 Na2SO4 is added to 75.0 mL of 1.26×10−2 Ca(NO3)2. What is the % Ca undissolved
1. 1 answer
2. 581 views
Write the standard cell notation for a galvanic cell with a silver cathode and a zinc anode.
1. 2 answers
2. 5,724 views
If one electrode in a galvanic cell is made of zinc (Zn) and one is made of silver (Ag), which metal would be the cathode and
1. 2 answers
2. 2,917 views
Think about the various processes that take place in the body or in the natural environment and come up with a list of at least
1. 3 answers
2. 1,825 views
a carpenter was putting up a shelf. the shelf needed to be 87 centimeters long but the piece of wood she had was 1 meter and 28
1. 1 answer
2. 836 views
explain how mitosis helps an organism to grow.
1. 2 answers
2. 876 views
HELP PLEASE...what is the chemical equation for these situations..? a) there is a straight iron nail in the solidified gelatin
1. 0 answers
2. 503 views
what is the chemical equation for these situations..?a) there is a straight iron nail in the solidified gelatin solution. the
1. 0 answers
2. 986 views
Determine the chloride ion concentration in a solution containing 50.0 g MgCl2 dissolved in 1500 mL of solution.a. 0.350 M b.
1. 2 answers
2. 1,798 views
An aqueous solution of phosphoric acid, H3PO4, contains 285 g H3PO4 in 400 mL solution, and has a density of 1.35 g/mL.
1. 2 answers
2. 1,232 views
how did religion shape the development of colonial society in the Chesapeake?
1. 1 answer
2. 537 views
a gardner wishes to encloe a rectangular 3000 square feet area with bushes on three sides and a fence on the 4th side .If the
1. 0 answers
2. 489 views
what is the distance from the pitcher's box to second base if the distance from the pitcher's box to home plate is 18 meters and
1. 1 answer
2. 624 views
interpret an r value of -0.82. a)strong negative correlation B)weak negative correlation C)strong positive correlation D)no
1. 1 answer
2. 977 views
what is the kinetic energy in joules of a 1000 kg car travelling at 90km/h
1. 2 answers
2. 829 views
solve the equation by completing the square:x^2-9x-2=0
1. 1 answer
2. 376 views
write the expression as a complex number in standard form1+2i ----- 3-8i
1. 2 answers
2. 594 views
A child's development is affected most by theA. financial status of the child's family B. social status of the child's family C.
1. 4 answers
2. 781 views
( x2 + 6x-3) x2-4x = (5-x)x2-4x32x+3- 6.3x+1- 9 = 0 6log5=a and 5log4=b 4log0,24=….. Are these 4 separate questions? Convert
1. 0 answers
2. 603 views

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