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jenny
Questions (426)
3x
2 −2x−15 combine like terms
1 answer
133 views
I'm a multiple 12 but less than 90 what number am i
1 answer
167 views
72 decreased by twice Jenny's age
1 answer
363 views
At what point on the curve y = 9 + 2ex − 5x is the tangent line parallel to the line 5x − y = 8?
(x, y) = ?
1 answer
338 views
f(x,y)=3xy^2-x-y
a)find the equation of the tangent plane to the graph of f(x,y,) at the point (2,1,3) b) use linear
1 answer
355 views
The energy required to increase the speed of a certain car from 17 m/s to 27 m/s is 185 kJ.
1 answer
325 views
Given the geometric sequence that starts
7, 9, . . . (a) Find the 7th term of the sequence. (Given that 7 is the first term.) (b)
3 answers
549 views
Given the arithmetic sequence that starts
−8, 10, . . . (a) Find the 20th term of the sequence. (Given that −8 is the first
1 answer
447 views
why must MgCl2.6H20 be added to the EDTA solution?
1 answer
764 views
Ben is setting up a tent. The sides that slope to the ground each measure 5.25 feet. If the sides and the ground form a
1 answer
308 views
Enrique buys 1 lb 12 oz of ground beef for $3.85. What is the cost per pound?
1 answer
362 views
A store sells plants for $35, which includes a 75% markup. Will the store make a profit, take a loss or break even if it has 75%
4 answers
390 views
A square garden has five fence posts on each side. Two on each side are corner posts. There's a distance of 3.5 yards between
1 answer
265 views
biased or not biased for each survey question about including vegetarian food on a lunch menu
Is including vegetarian food on the
1 answer
403 views
Write positive, negative, or no correlation for each situation.
1.rate of drainage and water level remaining after 5 mins 2.time
4 answers
277 views
What type of graph would best display how many books each student read over the summer?
A. bar graph B Line graph c circle graph
3 answers
551 views
TRUE OR FALSE OR SOMETIMES: When angles form a linear pair, one of the angles is acute.
TRUE OR FALSE OR SOMETIMES: If you know
2 answers
974 views
Brandi buys one dozen ears of corn for $6.96. Johanna buys 1.5 dozen ears of corn at the same price per ear as Brandi. How much
2 answers
361 views
Brian buys a shirt that originally cost $22. All shirts are 25% off. When he pays at the register the cashier adds 6% sales tax
5 answers
446 views
A store manager buy shirts at a wholesale price of $12 and marks them up 60%. After two months, the shirts are sold on sale for
5 answers
578 views
Julia takes out a loan for $1,200 from a bank that charges 5.4% simple interest per year. If the total amount she repays is
2 answers
580 views
how many numbers between 1 and 1800 are perfect cubes that don't have the digit 5 or 0?
4 answers
268 views
Lorna observed that her brother wore green on 9 of the last 21 days. Assuming the same rate, on how many days would Lorna expect
3 answers
230 views
Jess jogs at a rate of 6 mph. The next time she jogs, she increases her speed to a rate of 7 mph. How long will it take her to
2 answers
344 views
Consider the function f(x) whose second derivative is f′′(x)=8x+5sin(x). If f(0)=2 and f′(0)=3, what is f(x)?
1 answer
262 views
Consider the function f(x) whose second derivative is f′′(x)=8x+5sin(x). If f(0)=2 and f′(0)=3, what is f(x)
1 answer
276 views
i need help with Science 8 Lesson 18 unit 6 quick check
0 answers
504 views
A box without a lid will be constructed from 75 cm x 100 cm piece of cardboard, by cutting squares of the same size from each
1 answer
1,653 views
Two trains leave stations 390 miles apart at the same time and travel toward each other. One train travels at 65 miles per hour
1 answer
2,633 views
Pretend that you are writing to Queta, the girl from the reading, and that either you or a female family member is having a
1 answer
473 views
if author Amanda Ripley published another edition of her book with an update about the current CV-19 worldwide crisis, what
3 answers
459 views
Miss Strangeworth never gives away any of her roses because
A. she wants them to grow as long as possible. B. she has only a few
5 answers
1,646 views
what does the i and the m and the s stand for in the equation m = log I/s in order to find the intensity/magnitude of
0 answers
410 views
Which of the following is true about the electric charges on the objects below?
A. The ball on the right has a positive charge
0 answers
500 views
Current state and circumstances of Kodak
1 answer
417 views
Which of the following is an effect of the Agricultural Revolution in Middle America?
54 answers
13,250 views
the length of a rectangular field is 24 meters. this is 3 meters less than twice the width. find the width.
1 answer
616 views
the mass of a certain grain of rice is about 3 x 10^-2 grams. The mass of a certain grain of salt is about 6 x 10^-5 grams.
1)
4 answers
1,118 views
which describes a major obstacle nations encounter when dealing with rogue state such s north korea
1. the leaders of rogue
3 answers
4,501 views
For the following reaction, the partial pressures are listed in the table:
Substance Equlibrium H2S 5.4 I2 1.2 HI 0.43 S 7 If the
6 answers
2,834 views
Greg is buying a bike on a payment plan. the equation y=20x+600 models the amount he has left to pay, where x is the number of
2 answers
956 views
A Dish TV satellite dish is the shape of a paraboloid. The dish is 36 inches wide, and 8 inches deep. How many inches should the
1 answer
11,294 views
160 days after borrowing money, Ms. garcia pays an interest of P 370.00. How much did she borrow if the simple interest rate is
1 answer
562 views
Find the resultant of the following two displacements; 2.0 m 40 degrees 4.0 meters at 127 degrees. the angles are taken relative
7 answers
7,313 views
A basketball player made 11 free throws out of 12 during a game.what fraction of free throws did the player make?
1 answer
650 views
Which research method is BEST at explaining behavior (as opposed to simply describing it)?
2 answers
1,854 views
Why do you thinks the country has been in a recession for this long when we have many Economists? Why did they not prevent the
2 answers
495 views
Cand D are two observation posts on the same horizontal ground at the foot A of a vertical tower AB.the tower is 18m due north
9 answers
2,972 views
A designer enlarged both the length and the width of a rectangular carpet by 60 percent. The new carpet was too large so the
1 answer
841 views
calculate the molality of sulfuric acid in which the mole fraction of water is .85
1 answer
468 views
Select the TWO options that are TRUE statements about survey sampling.
Select one or more: (1)Cluster sampling usually increases
1 answer
1,040 views
a survey showed that 50 students were surveyed. 42 liked football, 15 liked tennis, 12 liked both football and tennis. How many
1 answer
812 views
Alice sold 7 packs of pencils and 22 separate pencils and Betty sold 5 packs and 2 separate pencils.
Alice sold twice the amount
1 answer
454 views
the area of triangle ABC is 38.8cm^2
Work out the length of AC Angle c =54 base=12 (scalene triangle)
1 answer
1,361 views
ln56/ln7=ln8. Is this true or is this false? How can I find this out?
1 answer
1,026 views
P P'(–4, –7) for the glide reflection where the translation is (x, y) (x,y-4) and the line of reflection is x= -1. Find the
1 answer
561 views
A(-3,3) A is a glide reflection where the translation is (x,y) (x+5,y), and the line of reflection is y=1. What are the
1 answer
708 views
P P'(–4, –7) for the glide reflection where the translation is (x, y) (x,y-4) and the line of reflection is x= -1. Find the
0 answers
482 views
The vertices of a triangle are P(–4, 1), Q(–2, –8), and R(8, –1). Name the vertices of the image reflected across the
1 answer
764 views
2. the dashed triangle is a dilation image of the solid triangle. what is the scale factor (1 point)
4 answers
2,426 views
the vertices of a triangle are p(-7 -4),q(-7,-8),and r(3,-3).Name the vertices of the image reflected across the line y=x.
the
5 answers
5,651 views
What mass of protons would be required to just neutralize the charge of 1.1 g of electrons?
1 answer
589 views
Betty is a pretty girl. Fatimah is a pretty girl.
Both_______________________________________________.
2 answers
542 views
is it possible for an object's weight to change while it's mass remains constant?
2 answers
1,748 views
six neighbors share 4 pies equally. how much of a pie does each get?
three brothers share 2 sandwiches equally. how much of a
9 answers
3,588 views
How much heat in kcal must be added to 0.77 kg of water at room temperature (20°C) to raise its temperature to 50°C?
1 answer
1,554 views
If both numerator and denominator of a fraction are increased by one, the fraction formed is 2/3. if both numerator and
3 answers
511 views
The countries of Stabilato and Variato have the following average returns and standard deviations for their stocks, bond, and
1 answer
689 views
In late 2010, you purchased the common stock of a company that has reported significant earnings increases in nearly every
1 answer
575 views
John bought a total of 30 white and brown pens for a total of $32. The cost of each white pen is 70 cents more than the cost of
1 answer
624 views
The cost of printing the first fifteen hundred copies of a book is $1500. It costs y dollars to print each subsequent copy. The
2 answers
2,858 views
6/(2x - y) + 7/(3y -x)= 7
4/(2x - y) + 14/(3y -x) =6 Please explain step by step to solve this equation.
1 answer
1,218 views
There are 10 children (aged 1 to 10 years) who have equal amounts of money. In the first transaction the eldest child gives one
3 answers
4,091 views
I want to find about the famous pharmaceutical companies in Chicago.
Would mind telling me which website I can find.
1 answer
526 views
What new life did Malcolm pursue i n Roxbury, Massachusetts?
What changes were visible in Malcolm’s clothing? What were the
2 answers
856 views
a boy stands at a distance of 168m from a high wall . he produce a sound and haers after 1 second.calculate the speed f sound in
2 answers
960 views
a number has four digits. the digit in the hundredth place is greater than the digit in the hundreths place of 4.361. the digit
1 answer
640 views
` a four digit number between 12 and 13 has an odd number in the hundredth place and an even number in the tenths place. the
1 answer
566 views
judith has a necklace with a mass of 65.736 grams. what is the mass of her necklace rounded to the nearest tenth?
6 answers
2,159 views
1.FIND the bank discount and proceeds on the following loans
i) RM4000 FOR 3 MONTHS at 10 1/2 percent ii) RM4215 FROM 10 june to
0 answers
431 views
what is the formula to find the percent increase in profit
1 answer
361 views
I need help in calculating work.
following quantites are given. * G: 6.67E-11 *Mass of earth:5.98E24 *mass of satelightt:80kg
5 answers
602 views
I need help in calculating work.
following quantites are given. * G: 6.67E-11 *Mass of earth:5.98E24 *mass of satelightt:80kg
0 answers
554 views
i need help with chapter 10 and 11 sentence check 2
2 answers
1,240 views
3PbO2 + 2Cr3++ 2H2O3Pb2+ + 2CrO42-+ 4H+
In the above redox reaction, use oxidation numbers to identify the element oxidized, the
6 answers
1,177 views
SO42- + HAsO2+ 2H+H3AsO4 + SO2
In the above redox reaction, use oxidation numbers to identify the element oxidized, the element
1 answer
1,140 views
3PbO2 + 2Cr3++ 2H2O3Pb2+ + 2CrO42-+ 4H+
1. In the above reaction, the oxidation state of chromium changes from (answer) to
2 answers
1,200 views
SO42- + HAsO2+ 2H+H3AsO4 + SO2
1. In the above reaction, the oxidation state of sulfur changes from (Answer) to (Answer) 2. How
0 answers
737 views
csc^4-cot^4= 1+cos^2/sin^2
i need help! please help me
2 answers
549 views
A cheetah can accelerate from rest to 24.1 m/s in 2.02 s.
a) Assuming the acceleration is constant over the time interval, what
1 answer
764 views
1if you open the tert-butyl chloride and tert-butyl bromide to the air for few hours? What happened to the ratio of the halide
0 answers
557 views
what is the name given to a curved of hooked area of land that extends into a sea of ocean
1 answer
532 views
I don't understand this question name the parallels that are labeled north of the equator
3 answers
861 views
can some one explain to me how to convert 3 meters to centimeters. and 3 meters to millimeters. and 200 centimeters to meters
3 answers
661 views
A stone is dropped from rest from an infinitely tall building. Compute its velocity after 2 seconds
1 answer
456 views
Analysis of the output of a process has suggested that the variability is nonrandom on several occasions recently. However, each
0 answers
1,284 views
what length is each side of a rhombus if its perimetre is 120cm
1 answer
510 views
Graph the function f(x)=6-1/(x+4)^2 using transformations.
State: a.the domain b.the range c.the asymptotes i do not get this at
1 answer
548 views
a cycle company make bicycles, tricycles an unicycles. Last week they made 120 more bicycles than unicycles, and 4 times as many
1 answer
1,434 views
a cleaner charges $0.50 per square foot to polish wood floors. a school hall has a floor area of 30 feet by 50 feet. what would
1 answer
537 views
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