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Matthew

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Could you please check these last two sentences, again? Thank you.1) On one hand, I think it would be best to organize a student
1. 2 answers
2. 499 views
I left out the following sentences.Please, could you check them too? 1) My backpack is very heavy because inside (in it? are
1. 1 answer
2. 622 views
Could you please check these sentences, please? Thank you.1) The thieves stole a lot of things but they didn't damage the house.
1. 1 answer
2. 525 views
I left out these sentences. Thank you.1) I hope the weather will be nice/good. I hope to have luck with the weather. If there is
1. 1 answer
2. 663 views
Imagine you are one of the competitors in the Ten Tors Challenge. Describe your clothes and the things you will take with you on
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2. 838 views
I urgently need you to check this. Thank you, Writeacher.1) Sorry for disturbing you again. Our secretary told me she hasn't
1. 1 answer
2. 600 views
I still have a few sentences to check. Thank you very much, Writeacher.1) During my last holiday I went to Switzerland. For my
1. 1 answer
2. 478 views
I urgently need you to help me check these sentences. Thank you, Writeacher1) I'm sorry we havent' been in touch with each other
1. 1 answer
2. 526 views
Writeacher, can you suggest possible topics for email conversations among teenagers?1) I will ask my students to introduce
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2. 470 views
I urgently need you to help me find the proper words. Thank you Writeacher1) Thank you very much for sending me the list of your
1. 1 answer
2. 652 views
Writeacher, here is my today's post.I varied my name from Henry to Matthew because there are too many Henry on Jiskha!!! In this
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2. 1,010 views
Verify if these are correct answers.1. The derivative of f(x)=e^2x -e^-2x is f'(x)=2e^2x - 2e^-2x? 2.A certain radioactive
1. 1 answer
2. 783 views
So, they give me a word equation, where I am suppose to try and create a balanced equation for it.Ammonium phosphate and barium
1. 2 answers
2. 1,389 views
I need some help with some of these questions:The action of bacteria on meat and fish produces a poisonous compound called
1. 1 answer
2. 937 views
I need some help with some of these questions:The action of bacteria on meat and fish produces a poisonous compound called
1. 1 answer
2. 1,730 views
How many tangents does the graph of f(x)=(x-1)^2(x-3)^2 have?I found out the derivative of f(x)=(x-1)^2(x-3)^2 f'(x)=4x^3 -
1. 1 answer
2. 377 views
Mr. Clarkson and Mrs. Rose had an average of $180. After Mr. Clarkson spent $73 and Mrs. Rose received $38 from her father, Mr.
1. 1 answer
2. 1,208 views
Could someone help me with this question.Determine what limit would be represented by the following graph. imgur dot com/bceWN I
1. 1 answer
2. 656 views
Is this the right explanation for this question1. Examine the continuity of the function h(x)= -x, if x<0 0, if x=0 x, if x>0
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2. 666 views
I don't know what to write for question b and c.1 a)Determine the values of x for which the function f(x) = 3/(√x^2+3x-4) is
1. 1 answer
2. 639 views
Verify this question1. Determine lim as x->3 (3x-8)/(4x-12), if it exists. (3(3)-8)/(4(3)-12) =1/0 Therefore it doesn't limit
1. 1 answer
2. 982 views
Can someone help me with this question. With steps.Examine the continuity of the function h(x)= -x, if x<0 0, if x=0 x, if x>0
1. 3 answers
2. 471 views
Determine the values of x for which the function f(x) = 3/(√x^2+3x-4) is continuous.
1. 2 answers
2. 516 views
I keep getting wrong answer for this question.Write as a single logarithm log(x+1)+2log(2x+1)-log(x-3)
1. 2 answers
2. 1,316 views
I keep getting wrong answer for this question.Write as a single logarithm log(x+1)+2log(2x+1)-log(x-3)
1. 1 answer
2. 527 views
Write as a single logarithmlog(x+1)+2log(2x+1)-log(x-3)
1. 2 answers
2. 611 views
solve for x2^x=0.125 5^2x=39 13^x=27
1. 2 answers
2. 956 views
Evaluate log(base4)8 + log(base4)(1/8log(base4)=(8x1/8) =1 I got 1 but the back of the book says 0...?
1. 1 answer
2. 376 views
Your friend's car is parked on a cliff overlooking the ocean on an incline that makes an angle of 16.9° below the horizontal.
1. 0 answers
2. 629 views
Is Famine considered as Extra curricular activity?
1. 1 answer
2. 398 views
I am doing my application form for a university, it asks for my job informationJob Title: I work at Mcdonalds part-time and work
1. 2 answers
2. 594 views
Evan is painting a stool that has a cylindrical seat and four rectangular prism legs. The seat has a diameter of 8 inches and a
1. 2 answers
2. 563 views
Total number of scores is 45. Alex scored 9. What percent of the total number of points did Alex score?
1. 1 answer
2. 540 views
Using RNA a s a template for prot e in synthesis instead of t r ans l a t ing prot e ins directly from theDNA is advantageous
1. 22 answers
2. 1,065 views
Find the area of the region bounded by y=x^4/3-4 , the x-axis,x=-1 , and x=1 ..Search tips:
1. 1 answer
2. 361 views
An electric motor rotating a workshop grind- ing wheel at a rate of 147 rev/min is switched off with a constant deceleration of
1. 1 answer
2. 639 views
Calculate the heat (in kJ) required to transform 58.60 g of dinitrogen tetraoxide from a solid at atemperature of -9.3 °C to a
1. 1 answer
2. 794 views
(a) Which of the ions K+, Na+ , Be2+ will have the largest heat of hydration? Which the smallest? (b) Of the two compounds KNO3
1. 0 answers
2. 568 views
What is an amino acid? Why do they cause superglue to stick to my fingerprints on a cd when I place the cd in a plastic box
1. 0 answers
2. 470 views
How many molecules (not moles) of NH3 are produced from 8.92×10−4 g of H2?
1. 1 answer
2. 739 views
There are 80 students 35 of them are boys about what percent are boys
1. 4 answers
2. 418 views
Which of the following is NOT proportional?A)4/10 = 6/15 B) 2/1 = 30/15 C) 5/25 = 4/24 D) 63/90= 70/100
1. 2 answers
2. 340 views
suppose an experimental arrangement like the one in part 2 has mass m1= 0.200kg at the 0.100m mark and a mass m2=0.100 kg at
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2. 864 views
Thank you so much for the help on my other question!!!An alloy (solution of metals) is 80% by volume iron. The rest is aluminum.
1. 1 answer
2. 609 views
An aqueous solution of copper (I) chloride is 15.7% by mass copper (I) chloride. Copper (I) is 35.8% by mass chlorine. If the
1. 0 answers
2. 1,254 views
I am really struggling with this Fibonacci number problem. If the greates common factor of "m" and "n" is "r", then the greatest
1. 2 answers
2. 596 views
19[7+w+(-2)]
1. 1 answer
2. 263 views
How far in miles is a line of 1,000,000 pennies. Please show chart with 5 instances. Define a variable and write an algebraic
1. 1 answer
2. 961 views
Find the derivative of the function.1. 2x+5/3x-2 2. (1-x)(1+x^2)^-1 Please show work. TYVM. :)
1. 1 answer
2. 372 views
A plane flying horizontally at 50 m/s is 2000m from its target.a)At what height must a projectile be released in order to strike
1. 0 answers
2. 454 views
A rocket is fired at 1500 m/s at an angle of 50 degrees with respect to the ground.a)What are the horizontal and vertical
1. 1 answer
2. 473 views
rays pq and qr are perpendicular. point s lies in the interior of <pqr. if m<pqs = 4x + 7 and m<sqr = 9 + 4a, find m<pqs and
1. 0 answers
2. 584 views
how can pollution start in the Blue Ridge region affect the habitat of a tadpole living in the Piedmont region (think about the
1. 0 answers
2. 442 views
Can i get some help simplifying this fraction?((x+5)/(x)) / ((x+5)/(2x))
1. 2 answers
2. 367 views
The height above the ground of a ball thrown up with a velocity of 96 feet per second from a height of 6 feet is 6+96t-16^2
1. 1 answer
2. 2,171 views
I need to know how to right a net ionic equation for the following chemical reaction: 5 H2C2O4 + 3 H2SO4 + 2 KMnO4 = K2SO4 + 2
1. 0 answers
2. 649 views
Using Newton's Method, determine the first approximation to the solution of:e^(4x)= 10-2x starting with x=0 what is x1= ??? P.S.
1. 1 answer
2. 598 views
from the following words I got to separate them into 3 groups: omitted syllable, omitted letter, and added syllable. drowned,
1. 6 answers
2. 642 views
An unstable atomic nucleus of mass 17.0 ¡Ñ 10¡V27 kg which is at rest disintegrates into three particles. One of the
1. 0 answers
2. 672 views
What is the volume of 0.129 M HCl(aq) re-quired to neutralize all of the hydroxide ions in 46 mL of 0.216 M KOH(aq)? Answer in
1. 1 answer
2. 999 views
The sum of the measures of the angles of a polygon with n sides is given. Find n.32) 180 33) 1080 34) 1980 35) 2880
1. 2 answers
2. 2,925 views
How to change 320% into a decimal and a fraction
1. 1 answer
2. 986 views
would an Egyptian style revolution beneficial or detrimental to the US government?
1. 1 answer
2. 1,000 views
Given ABCD is a squareAC= BD = 4 units Ac= BD pass origin of (0,0) Find coordinates of A B C D
1. 0 answers
2. 479 views
Given ABCD is a squareAC = BD = 4 units Find coordinates of ABCD
1. 0 answers
2. 534 views
Suppose you dissolve 40g of potassium nitrate in 100 cm3 of water at 100 C. If half the solution os poured out, how many grams
1. 1 answer
2. 905 views
The number of calls that arrive under a particular time in a cell has been established to be a Poisson distribution. The average
1. 1 answer
2. 876 views
The activity of a sample of a radioactive isotope is 1800Bq. If this isotope has a half-life of 16 days, what is the activity
1. 1 answer
2. 522 views
what happens to a soccer ball underwater at a depth of 50 feet?
1. 2 answers
2. 504 views
A baseball catcher puts on an exhibition by catching a 0.15-kg ball dropped from a helicopter at a height of 101 m. What is the
1. 2 answers
2. 1,723 views
How do you construct a frequency distribution table for the indicated data set?Month Precipiation (inches) January 2.01 February
1. 1 answer
2. 560 views
Could you please show me how to solvethis:x+6/4x^2 + 3/2x^2 = x + 4/2x^2 Please show me the steps-I don't even know where to
1. 3 answers
2. 381 views
a)One game in a state lottery requires you to pick 1 heart, 1 club, 1 diamond, and 1 spade, in that order, from the 13 cards in
1. 2 answers
2. 2,311 views
a)One game in a state lottery requires you to pick 1 heart, 1 club, 1 diamond, and 1 spade, in that order, from the 13 cards in
1. 1 answer
2. 777 views
I'm writing an essay on the short story, The Bouquet. It's a essay on the character of Mary Myrover. Tell me what you think...
1. 3 answers
2. 761 views
Find the value of xShow work 3x _ = x+15 2
1. 1 answer
2. 367 views
I'm writing an essay on the short story, The Bouquet. It's a essay on the character of Mary Myrover. Tell me what you think...
1. 2 answers
2. 631 views
What are the d themes of geography,
1. 1 answer
2. 313 views
What concerns does Omi and Winant’s theory of “racial formation” share with Bell Hooks’ critique of postmodernism? How
1. 1 answer
2. 554 views
The graph of any quadratic function can be drawn from the vertex form of the equation, by performing 1,2,3,or 4 transformations
1. 0 answers
2. 476 views
Determine if the following two planes 2x+3y-z=4 and 3x-4y-6z=1 are parallel, orthogonal or coincidental
1. 0 answers
2. 528 views
What is it called when scientists do their experiments more than once to reduce chance errors?
1. 2 answers
2. 584 views
Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about the
1. 1 answer
2. 450 views
Use cylindrical shells to find the volume V of a right circular cone with height 7h and base radius 4r.
1. 1 answer
2. 1,058 views
How is the number of zeros in the quotient in 180 divided by 8 equals 20 related to the bumber zeros in the dividen?
1. 1 answer
2. 980 views
f(t)=A[u(t)-u(t-10)], where u(t) is the unit step function. Is the energy of this signal finite? Why or why not? If it exists,
1. 2 answers
2. 461 views
A pallet of boxes weighing 10 tons is dropped from a lift truck from a height of 10 feet. The maximum velocity the pallet
1. 1 answer
2. 1,543 views
Help with fragment,The panther lay motionless behind the rock. Waiting silently for its prey.
1. 1 answer
2. 819 views
I'm in grade 9, and my oral exam is coming up on monday. One of the possible questions involves knowing the plot of the textbook
1. 1 answer
2. 589 views
What is the verb and adverb in the sentence The unpredictable volcanic activity discourages people from living there.
1. 2 answers
2. 681 views
Identify parts of Speech for sentence below, on numbered word:1 2 3 Before the eruption, Mount St.Helena was 4 like a giant
1. 1 answer
2. 519 views
Classify the triangle as right, acute, or obtuse if the measures of its sides are 28, 46, and 53.
1. 2 answers
2. 1,161 views
Are there any deeper ideas in Journey to the Center of the Earth by Jules Verne? i.e. irony, symbolism, or anything like that
1. 0 answers
2. 360 views
an unknown metal has a volume of 20cm^3 and a mass of 54g. Identify the metal
1. 0 answers
2. 451 views
How do I solve for theta in tan theta = -1?
1. 1 answer
2. 402 views
World War I1. The alliance system was supposed to prevent war, but it turned a local conflict into a general European war. Why
1. 3 answers
2. 1,315 views
Write an equation for the reaction between the Bronsted-Lowry acid HOCl(aq) reacting with base CO32-(aq)I am having difficulty
1. 1 answer
2. 715 views
A solution is mixed with a 12% acid solution to form a 16% acid solution. How many liters of the 20% acid solution are used to
1. 3 answers
2. 473 views
A 500 g piece of metal at 60 degrees celsius is placed in 200g of water at 22 degrees celsius contained in a coffee cup
1. 2 answers
2. 1,530 views
Two small planes start from the same point and fly in the opposite directions. The first plane is flying 35 mph slower than the
1. 5 answers
2. 1,752 views

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