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Questions Asked on December 13, 2020

An atomic model shows 19 protons, 20 neutrons, and 19 electrons. What is the mass number of the atom?(1 point)39 58 19 20 I need
1. 30 answers
2. asked by Bob
3. 13,192 views
Find a real root of the equation cos(x) = 3x − 1 correct to four decimal places by usingmethod of successive approximation.
1. 3 answers
2. asked by iradukunda
3. 9,140 views
A cannon, located 60.0 m from the base of a vertical 25.0 -m-tall cliff, shoots a 15-kg shell at 43.0 degrees above the
1. 1 answer
2. asked by Anonymous
3. 6,675 views
How does the movement of tectonic plates turn sedimentary rocks into metamorphic rocks?
1. 7 answers
2. asked by K.Y
3. 5,873 views
Darcie wants to crochet a minimum of 3 blankets to donate to a homeless shelter. Darcie crochets at a rate of 1/15 of a blanket
1. 10 answers
2. asked by Joe mama
3. 3,987 views
The exponential decay graph shows the expected depreciation for a new boat, selling for $3500, over 10 years.A coordinate graph
1. 3 answers
2. asked by Bobbie
3. 3,866 views
You observe k i.i.d. copies of the discrete uniform random variable Xi , which takes values 1 through n with equal probability.D
1. 1 answer
2. asked by Stats NErd
3. 2,803 views
In the multiplication example at the right,A, B, and H represent different digits. B A 7 === HAA What is the sum of A, B, and H?
1. 2 answers
2. asked by Alice
3. 2,419 views
Read the poem from "Between the Sliver and the Ash.In wintertime you will not see The object of your heart's desire. The
1. 3 answers
2. asked by kayla
3. 1,907 views
How much amount of crystal is formed when 15 gram of saturated solution prepared at 30 degree Celsius cooled to 10 degree
1. 3 answers
2. asked by Bvx
3. 1,741 views
A body of mass 500g suspended from the end of a spiral spring which obeys Hooke's law, produced an extension of 10cm. If the
1. 1 answer
2. asked by Fynface
3. 1,734 views
What are some effective study strategies for learning and understanding the concepts of ratios, proportions, and percents?
1. 0 answers
2. asked by PLZ HELP
3. 1,435 views
1. A jar contains five blue balls and five red balls. You roll a fair die once. Next you randomly draw (without replacement) as
1. 2 answers
2. asked by zainab
3. 1,302 views
can a prime number be a multiple of any other number except itself? Explain why or why not.
1. 1 answer
2. asked by lia
3. 1,275 views
Estimate the sum or difference. Use the benchmarks, 0, one-half , and 1.Simone measures the width of one cardboard strip as
1. 7 answers
2. asked by pickle
3. 1,207 views
What is the greatest integer that is a factor of all of the given integers?
1. 2 answers
2. asked by Abby
3. 1,160 views
Look at the chart shown below.Based on information in the graph, which of the following is most likely a serious problem for
1. 2 answers
2. asked by 🥵𝓓𝓪𝓑𝓻𝓪𝓽𝓽._𝓢𝓪𝔂𝓪🥵
3. 1,061 views
the temperature at 8 pm is -2 by midnight it is 6 colder what is the temperature at midnight ?
1. 2 answers
2. asked by no
3. 1,027 views
Printers write their own stories to print.A. True B. False
1. 3 answers
2. asked by Jayden
3. 1,017 views
A gas station charged $2.20 for each gallon of gasoline. Harry paid $12.10 for gasoline. How many gallons of gasoline did Harry
1. 4 answers
2. asked by mintets
3. 990 views
1. What are biotic factors? List 3 examples.2. What are abiotic factors? List 3 examples. 3. What are carbon offsets? 4. How can
1. 1 answer
2. asked by Human Being
3. 927 views
Two 6-sided fair dice are rolled. What is the probability that the sum of the two numbers on the dice will not be 9?
1. 1 answer
2. asked by Sahil
3. 898 views
Describe a way that gravity influenced the formation of the solar system, with the planets orbiting the sun.- the test is due
1. 1 answer
2. asked by yajaira
3. 855 views
How many solutions does the system of equations have?2x = -10y + 6 and x + 5y =3 A: one B: two C: infinitely many D: none
1. 1 answer
2. asked by Lapis Lazuli
3. 727 views
Zahra compares two wireless data plans. Which equation gives the correct value of n, the number of GB, for which Plans A and B
1. 3 answers
2. asked by ryelie
3. 664 views
How does the cell membrane help organisms maintain homeostasis
1. 1 answer
2. asked by ono
3. 652 views
Consider the circles x^2+y^2=1 and x^2+y^2-2x-6y+6=0. Then find the equation of a common tangents to a circles ???
1. 4 answers
2. asked by Kaur
3. 629 views
Kenya exchanges $200 for euros (€). Suppose the conversion rate is €1 = $1.321. How many euros should Kenya receive?
1. 1 answer
2. asked by Ronald Sterling
3. 582 views
Would someone please check my answers and then tell me how to do the last question?The population of the city of Pearville, y,
1. 4 answers
2. asked by Kim
3. 533 views
Is virus a living thing
1. 1 answer
2. asked by Lucius Daniel
3. 522 views
Mrs. Smith is baking oatmeal raisin cookies using her mother’s recipe. The number of cups of raisins needed to the number of
1. 1 answer
2. asked by Hi
3. 513 views
A hypothetical pure element consists entirely of two isotopes. The natural percent abun- dance of the isotope with mass 25.6 u
1. 1 answer
2. asked by brooke
3. 502 views
How do I write 3ZnSO4(aq) + 2Na3PO4(aq) Zn3(PO4)2(s) + 3Na2SO4(aq) in net ionic equation?
1. 1 answer
2. asked by Sparta
3. 497 views
Mr. Jones is baking peanut butter cookies using his uncle’s recipe. The number of cups of peanuts needed to the number of
1. 1 answer
2. asked by Hi
3. 485 views
A spring has a force constant of 477.7N / m . Find the potential energy stored in th spring when the spring is a) stretched 4.55
1. 1 answer
2. asked by Rose
3. 477 views
Which of the following numbers does not round to the same number as the others?5 1/5, 4 5/6 End Fraction, 5 6/7 end fraction, 4
1. 2 answers
2. asked by me
3. 462 views
Hannah was shopping for a summer dress at a store near her home. On the rack where she found the dress she wanted, she saw two
1. 1 answer
2. asked by '<>'
3. 423 views
A ball is thrown straight into the air from a 340-foot building. Its velocity is 54 ft/sec.a. What will be the max height of the
1. 2 answers
2. asked by j
3. 415 views
Mostly occurring in the ___________ of plants, this chemical reaction occurs in the organelles called the ______________. These
1. 1 answer
2. asked by yes
3. 415 views
Use a calculator to approximate two values of Θ (0≤Θ<2Π) that satisfies the equation. Round to 3 decimal places.sinΘ=-0.32
1. 1 answer
2. asked by Worm
3. 404 views
80.0 mL of distilled water is added to a 40.0 mL 0.170 M solution of ethanol. What is the molarity of ethanol in the resulting
1. 1 answer
2. asked by Amy
3. 392 views
Help! This is a part of my assignment that is due today and I am lost! Could someone help me work this problem out? Thanks!A
1. 1 answer
2. asked by lue
3. 391 views
I'm working on exponential equations and my a = 18.14, b = 1.34so when I write my equation, it's y = 18.14(1.34)^x They are
1. 1 answer
2. asked by Kim
3. 380 views
how to prove that this is true for all natural numbers n, using principle of mathematical induction.(3i+2)= 5+8+11+14+...+
1. 1 answer
2. asked by jessica
3. 365 views
When six is less than three times a number is increased by two is at least five times the same number I eight
1. 1 answer
2. asked by Emma
3. 361 views
A critic of Achebe's makes this point: "I must reiterate that I find Achebe’s essay both cogent and insightful, especially in
1. 1 answer
2. asked by ros
3. 352 views
50cm³ of water containing 2g of caffeine was extracted with 3cm³ of ether. Given that the partition coefficient between ether
1. 1 answer
2. asked by Jerry
3. 352 views
A manufacuturer sells instruments for 70 per unit. The cost of producing x instruments is C (x)=2000+4x+0.003x^2 and no more
1. 1 answer
2. asked by Avi
3. 337 views
what is the equation of straight line passing through intersection of lines 2x+y=3 and x+2y+5=0 , if the intercepts made by the
1. 1 answer
2. asked by Kaur
3. 327 views
1) what is the relationship between Varna’s and jatis?A) I have know idea 2) How have have cultures of ancient India endured
1. 2 answers
2. asked by Anonymous
3. 325 views
1. Write a compareInts method that takes two integer parameters and prints out the statement‘a’ is less than ‘b’ ‘a’
1. 1 answer
2. asked by Richard
3. 312 views
A spring has a force constant of 477.7N / m . Find the potential energy stored in th spring when the spring is a) stretched 4.55
1. 1 answer
2. asked by Rose
3. 307 views
(b) If you are asked to analyze opportunities for winter lifestyle shoe, how wouldyou choose which variation to offer and why?
1. 1 answer
2. asked by ALEX
3. 288 views
What is the greatest common factor of 10 ab, 2a^2b^2
1. 1 answer
2. asked by Abby
3. 277 views
11x+11y=1001
1. 1 answer
2. asked by maths
3. 276 views
(7+7)(5+¾)
1. 1 answer
2. asked by Lucius Daniel
3. 191 views

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