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Questions Asked on April 2, 2020

a certain radioactive element has a half life of 31.2 years. in how many years will contamination reach 32% of the original
1. 2 answers
2. asked by Deven
3. 721 views
a plane travelling north has a landing speed of 75.6m/s. after touch down it has 787m long runway to reduce its speed to
1. 3 answers
2. asked by Xa
3. 602 views
Hi, I need a bit of help with verifying identities. The problems are as follows:sinx+cosx/cotx+1=sinx sin2x/sin -
1. 2 answers
2. asked by Retrograde
3. 619 views
Suppose that f is a Mobius transformation such that f(1)=i, f(i)=-1, and f(-1)=1. Find the value of f(-i).
1. 3 answers
2. asked by Jakob
3. 405 views
What is the equilibrium concentration of carbon dioxide in water that is in contact with air at 25 °C and 4.17 atm. The mole
1. 0 answers
2. asked by lacy
3. 541 views
Drag each government power to the correct branch of Roman government.enforced the law controlled foreign policy passed the laws
1. 3 answers
2. asked by ...
3. 912 views
the population of a city is given by 3000e^(kt), where t = 0 corresponds to the year 1960. in 1950 the population was 2400. Find
1. 6 answers
2. asked by Deven
3. 518 views
got an odd onea person is being chased by a wombat is running in a straight line towards a tree at a speed of 5.04m/s where the
1. 2 answers
2. asked by Matt
3. 467 views
If sinA=3/5 when pi/2 < A < pi and cosB=5/13 when 3pi/2 < B < 2pi, find the exact value of the function cos(5pi/6+B).
1. 1 answer
2. asked by Serein
3. 1,675 views
The Mobius transformation T(z)=(az+b)/(z-1) maps unit circle onto the line Re(z)=3 in such a way that the interior of the circle
1. 0 answers
2. asked by Rohit
3. 467 views
A(n) 19 g object moving to the right at39 cm/s overtakes and collides elastically with a 36 g object moving in the same
1. 1 answer
2. asked by Todoroki
3. 684 views
The scale of a building plan is 1:200. What length, in cm, on the plan represents 5 meters of the building?
1. 2 answers
2. asked by Kd
3. 732 views
If p varies inversely with q, and p=2 when q=1, find the equation that relates p and q.
1. 2 answers
2. asked by jhhioh
3. 2,151 views
Respond to the following as utilitarian ethicists:How shall we reason through to the decision of the law enforcement authorities
1. 1 answer
2. asked by Marie
3. 449 views
Find all solutions4sin^(2)x - 4sin(x) + 1 = 0
1. 1 answer
2. asked by rainbow
3. 784 views
which form of discrimination is worse race or class?
1. 2 answers
2. asked by sienna
3. 369 views
John was shopping for tiles for a land 250 square meters large. If each tile is $47, how much will John spend to cover the whole
1. 1 answer
2. asked by Saraj
3. 347 views
A marble with speed 14 cm/s rolls off the edge of a table 75 cm high. How long does it take to drop to the floor? How far,
1. 2 answers
2. asked by Matt
3. 1,164 views
i need help finding the message, and what literary devices or elements were used to demonstrate this message. im writing a
1. 2 answers
2. asked by juliana
3. 469 views
A critical reaction in the production of energy to do work or drive chemical reactions in biological systems is the hydrolysis
1. 1 answer
2. asked by SG
3. 517 views
Which reactions have a positive ΔSrxn?A(g)+2B(g)⟶2C(g) A(s)+2B(g)⟶C(g) 2A(g)+B(g)⟶4C(g) 2A(g)+B(s)⟶3C(g)
1. 1 answer
2. asked by SG
3. 4,455 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. asked by lucy
3. 428 views
A cop cars siren has a frequency of 700Hz. If you are standing on the sidewalk as the cop car approaches you at the speed of 25
1. 1 answer
2. asked by Amina
3. 1,398 views
Find the exact value of cos(2θ)and sin(2θ) if tan(θ) = (-5/12) and 270° < θ < 360
1. 2 answers
2. asked by rainbow
3. 1,076 views
r/8 - p-2/2Solution and why someone would get the working out incorrect
1. 1 answer
2. asked by Nive
3. 302 views
ChemistryCalculate the mass of silver deposited when a current of 2.6A is passed through a solution of a silver salt for
1. 0 answers
2. asked by tolu
3. 452 views
x and y are points on the earth's surface at opposite ends of a diameter through the centre of the Earth. (a) If the longitude
1. 1 answer
2. asked by Knox
3. 771 views
A cylindrical resistor has a resistance of 217 Ohms. What is the resistance (in Ohms) if the length is increased by a factor of
1. 1 answer
2. asked by Anonymous
3. 429 views
A cylindrical resistor has a resistance of 262 Ohms. What is the resistance (in Ohms) if the radius is increased by a factor of
1. 1 answer
2. asked by Anonymous
3. 398 views
A bullet is fired at 660m/s and strikes a target 200m away. How long has it taken to hit the target.
1. 1 answer
2. asked by Pem
3. 485 views
A spring of force constant 1500n/m is acted upon by a constant force of 75n.calculate the potential energy stored in the spring.
1. 2 answers
2. asked by Paul
3. 463 views
Essay on morning walk: blessings or curse
1. 1 answer
2. asked by Atif
3. 331 views
A 0.33 kg pendulum bob is attached to a 1.2 m string. What is the change in the gravitational potential energy of the system as
1. 1 answer
2. asked by Sara
3. 1,058 views
a 15kg wagon Is pulled to the right with a force of 45 newtons. The wagon accelerates at 2 m/s^2 what is the magnitude of the
1. 1 answer
2. asked by trentgamez
3. 1,347 views
a women spent 1 over 3 of her money at market 1 over 4 at the chemist 1 over 6 at electrical shop and had #555 left how much did
1. 1 answer
2. asked by bayo
3. 419 views
what happens when two forces act in the same direction
1. 1 answer
2. asked by help
3. 461 views
what is the force that results from a 3000 kg car accelerating at 20 meters per second squared
1. 1 answer
2. asked by help
3. 283 views
A 10 kg box is pushed across horizontally to the right with 60N of force. The box accelerates to the right at 2 m/s^2 what is
1. 1 answer
2. asked by LilYeet
3. 683 views
RepostExplain what you've used and why? There are a large number of students in Luttley College. 60% of the students are boys.
1. 4 answers
2. asked by Raj
3. 614 views
If r = 8 units and h = 6 units, what is the volume of the cylinder shown above?Use 3.14 for .
1. 1 answer
2. asked by james
3. 738 views
a ball rolls up a incline with a initial velocity of 15 m/s, the ball comes to rest on the incline after rolling for 4 secondsa
1. 1 answer
2. asked by Anthony Lake
3. 558 views
Explain what you've used and why?There are a large number of students in Luttley College. 60% of the students are boys. Students
1. 0 answers
2. asked by Raj
3. 908 views
Zhou rulers claimed that the
1. 1 answer
2. asked by Curtis
3. 366 views
v=u+ atu=2 a=-5 t=1/2 Work out the value of v Hi im really confused about this question please can someone help me. Thanks x
1. 2 answers
2. asked by Kay Parkinson
3. 540 views
In an acidic solutionA. concentration of OH– > concentration of H+. B. concentration of OH– < concentration of H+. C.
1. 1 answer
2. asked by Sophia
3. 370 views
Compare the GDP of Kenya, Nigeria and South Africa? Suggest two reasons for the differences between the GDP of the countries
1. 1 answer
2. asked by savon
3. 372 views
You blow across the top of an open straw to produce a musical note. Then you cut the straw in half, close the bottom end, and
1. 1 answer
2. asked by Anonymous
3. 447 views
Verify the following identity:(sin2x)/sin - (cos2x)/cosx=secx
1. 1 answer
2. asked by Serena
3. 729 views
Solve the equation 5b = 25
1. 5 answers
2. asked by diya
3. 415 views
What is the definition of setting?the location and time period of a story the problem that needs to be solved in a story the
1. 5 answers
2. asked by sally
3. 647 views
four friends shared 1/2 of one carton of orange juice. what fraction of each carton of juice did each friend get?
1. 4 answers
2. asked by addison
3. 1,266 views
It is found necessary to apply an effort of 500N through a distance of 5m in order to raise a mass of 200kg through a height of
1. 1 answer
2. asked by Ebube
3. 528 views
Violeta wants to install new tiling in her kitchen. She places two triangular tiles together as shown in the following figure.
1. 1 answer
2. asked by miriam
3. 1,781 views
What is the volume of the rectangular prism?it is 10.4 mm in width, 5 mm in length, and 8 mm in height
1. 4 answers
2. asked by :p
3. 2,134 views
Water and glass with refractive index of 1.5 are interface. If the incident ray from the water makes an angle of 60 degree with
1. 1 answer
2. asked by Israel
3. 632 views
how to add 7 to 8 minus 3.
1. 1 answer
2. asked by Cjeck
3. 236 views
What is the definition of metaphor?a comparison between two things that are similar; for example, "A grapefruit is larger than
1. 5 answers
2. asked by sally
3. 851 views
Is some dog’s tails are long and thin. Linking verb or action verb
1. 1 answer
2. asked by Anonymous
3. 438 views
p-18=3p=
1. 1 answer
2. asked by Sofia
3. 214 views
What is the definition of imagery?words used in a way that causes the reader to read at a certain pace words used in a way that
1. 3 answers
2. asked by sally
3. 652 views
P(not 7)A.1/7 B.1/8 C.5/8 D.7/8 I don't understand the question can someone please help
1. 2 answers
2. asked by halp
3. 277 views
What is the definition of narrative poem?a poem that tells a story a poem that tells how someone feels**** a poem that is told
1. 4 answers
2. asked by sally
3. 765 views
Can someone check my answer? Also show you work so I know you didn't choose a random answer. I Pick C for the following problem:
1. 2 answers
2. asked by Fiddle sticks!
3. 684 views
Find the missing length. Round your answer to the nearest tenth. *
1. 1 answer
2. asked by karlie
3. 633 views
From a committee of 6 girls and 4 boys, a name is selected. Then another name is selected. What is the probability that both
1. 1 answer
2. asked by Just a gamer
3. 613 views
Solve the equationc/4 - 5 = 4 I think c is 36. 36 divided by 4 is 9. 9 minus 5 equals 4. Am I correct! Thanks very much!
1. 1 answer
2. asked by @person
3. 339 views
Of 20 test scores, seven are less than or equal to 81. What is the percentile rank of a test score of 81?
1. 1 answer
2. asked by Alan
3. 860 views
A pollster conducts a survey by phone. The probability that a call does not result in a person taking this survey is 85%.
1. 1 answer
2. asked by Alan
3. 536 views
What is the definition of plot?the beginning, middle, and end of a story the outcome of a story the solution to the main problem
1. 2 answers
2. asked by sally
3. 600 views
Brad takes the bus to work. When he gets off at the bus station, on the ground level, he has to take the elevator down 3 floors
1. 4 answers
2. asked by idk
3. 1,113 views
Read the sentence.The irritable old man who lives at the end of the street waved a baseball bat as he chased some skateboarders
1. 4 answers
2. asked by i need heelllpppp
3. 897 views
Read the passage from “Why Leaves Turn Color in the Fall.”Anthocyanin, the pigment that gives apples their red and turns
1. 2 answers
2. asked by annie
3. 2,268 views
1. Rockets have been used in which of the following areas (choose three of the following)a. warfare b. submarine propulsion c.
1. 3 answers
2. asked by Anonymous
3. 492 views
I am taking the Using Tables, Rules, and Graphs quiz part 2, and I dont understand these two problems.1. Use the function rule
1. 8 answers
2. asked by Cherry
3. 3,112 views
which order pair is a solution of y=x+4A. 0,0 B. 5,54 c. 7,28 D. 9,13
1. 1 answer
2. asked by Anonymous
3. 332 views
brainly.com is offering unlimited questions go there it's better
1. 5 answers
2. asked by ToXiC
3. 140 views
What is the definition of rhyming couplet?when the word at the end of a line in a poem rhymes with the ending word of the
1. 3 answers
2. asked by sally
3. 504 views
What’s 4% of 300
1. 2 answers
2. asked by Anonymous
3. 227 views
For a 1.00 m (100 cm) crumple zone, how much deformation do you think is needed in order to keep the passenger the safest?
1. 13 answers
2. asked by mzvd /ak
3. 6,450 views
The function y = 125 + 75x can be used to determine the cost in dollars for a painting job of x hours. What is the rate of
1. 1 answer
2. asked by carmella
3. 1,099 views
Simply the expression 5x^-2A) 1/5x^2 B) -10x C) 5/x^2 D) 1/25x^2
1. 8 answers
2. asked by Shantel
3. 620 views
What volume of 0.5 BaCl2 are needed to have 0.1moles of BaCl2
1. 3 answers
2. asked by Anonymous
3. 1,178 views
The function y = 15(x – 2) + 45 can be used to determine the total amount of money spent on a gym membership for x months.
1. 2 answers
2. asked by carmella
3. 447 views
how do you estimate a range for the sum of 9.6+3.1+5.8
1. 1 answer
2. asked by bobby
3. 436 views
The annual demand q for bottles of wine from a vineyard when the bottles are priced at p dollars each satisfies the equationqe0.
1. 2 answers
2. asked by Parker
3. 1,291 views
What is the difference in minutes of median collection times before and after the well was installed?
1. 2 answers
2. asked by Anonymous
3. 1,745 views
Trish wants to put a fence around her square garden. The area of the garden is 81 ft². How many feet of fencing does she need?
1. 2 answers
2. asked by Zaiden
3. 1,133 views
A tile installer has selected four different size square tiles to cover a floor. The areas of the tiles are Tile A = 9 in.²,
1. 1 answer
2. asked by Zaiden
3. 575 views
Which of the following describes feedback in an oven?A: Setting temperature (this is input) B: Burning gases releases heat (this
1. 1 answer
2. asked by Sunshine
3. 442 views
Find the cost of lining a topless rectangular tank 4.8 inches long, 12.2 inches wide, and 9 inches deep with zinc, weighing 4.8
1. 2 answers
2. asked by fran
3. 1,082 views
Identify the coefficient. Be sure to include the sign.-𝓃 + 8 I chose -𝓃. My answer key says the answer is -1, but I don't
1. 6 answers
2. asked by ❄ Snowflake ❄
3. 318 views
A crate of mass 10 kg is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling force is 100 N, parallel to the
1. 1 answer
2. asked by Christian
3. 1,336 views
How am I supposed to make a story about how the giraffe evolved its neck but including all 4 types of Natural Selection?The
1. 0 answers
2. asked by DoIHaveTo
3. 383 views
You and James have been out in the sun playing soccer all day. James starts vomiting, is confused, and is not sweating. What
1. 3 answers
2. asked by Feathertail
3. 1,543 views
count and list the new bonds formed in Hydrazine burn in oxygen
1. 1 answer
2. asked by Yaction
3. 822 views
Identify the constant for each expression.4𝓍𝓎 My answer: 4 or no constant? -𝓃 + 8 My answer: +8 or just 8.
1. 3 answers
2. asked by ❄ Snowflake ❄
3. 324 views
How did growing secularism influence European writers during the Renaissance?
1. 1 answer
2. asked by khamarii
3. 600 views
Three sides of a triangle measures 0.5, 0.6, and 0.82 sides of a similar triangle measures two and 3.2 what is the length of the
1. 1 answer
2. asked by Matt
3. 475 views
it’s telling me to identify each layer and describe the three soil horizons and explain the formation and composition of each.
1. 4 answers
2. asked by Alex
3. 1,124 views
Victoria renovated a house for $71,000 if she paid 506,000 for the house what percent of the original cost did she spend
1. 1 answer
2. asked by briley
3. 359 views

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