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Grace

Questions (502)

Factorize the following expressions completely. 3×sqare+2×y-12×z-8yz
1. 1 answer
2. 280 views
what is the wavelength of the frequency is 2.45x10^9 Hz
1. 0 answers
2. 295 views
Sasha has saved $40. She got a summer job moving lawns, and gets $6 for every lawn she mows. How many lawns does Sasha need to
1. 1 answer
2. 481 views
Meaghan goes to the grocery store to buy hot dogs and hamburgers for a cookout. She buys a total of 16 packages for a total of
1. 3 answers
2. 562 views
Simplify 2 whole number 2/3+ 1 whole number 3/4_2 whole number 1/2
1. 2 answers
2. 196 views
Simpliy 2 whole number 2/3+1 whole number 3/4_2 whole number 1/2=
1. 1 answer
2. 217 views
Give the ratios of the length to breadth of a rectangle as 3:1, find the length, if the breadth is 5cm?
1. 2 answers
2. 335 views
Find the value of log✓15+log2-log6-½
1. 2 answers
2. 307 views
What is the binding energy of 1 mole of 239/94 Pu if the mass defect is 0.001896 kg/mol
1. 2 answers
2. 357 views
Analyze the impact of risky teenage behavior on social,physical and emotional
1. 1 answer
2. 434 views
The Byzantine Empire began as the eastern half of the old Roman Empire and expanded to include much of Rome’s Mediterranean
1. 1 answer
2. 343 views
Sammy has a rectangular piece of cloth7/8 of a meter long and 4/5 of a meter wide. She decides to share the rectangular piece of
1. 1 answer
2. 387 views
If a wire 510 mm long is cut so that one piece is twice as long as the other piece how many mm is the shorter piece
1. 1 answer
2. 274 views
What is the conditional statement of the sentence?For all real numbers a, b, and c, a = b implies that a−c=b−c. A. If a, b,
1. 0 answers
2. 376 views
Which of the following is a simple sentence?(1 point)Before going to bed, I always floss and brush my teeth. She put on her
1. 27 answers
2. 9,138 views
Use the given information to find the minimum sample size required to estimate an unknown population mean .Margin of error:
1. 0 answers
2. 288 views
22.0 rad/s to rpm
1. 0 answers
2. 432 views
Suppose a person absorbed 51 mrad of alpha radiation.What would be the equivalent dose in millisieverts?
1. 1 answer
2. 1,224 views
When Lithium reacts with Tin (ll) Sulfate, what are the products?
1. 2 answers
2. 378 views
Which of the following statements is true for the sequence with general term a sub n equals the quotient of the product of the
1. 1 answer
2. 458 views
A large 2-topping pizza, L, costs $2 more than a medium 3-topping pizza, M.
1. 2 answers
2. 419 views
Khanya builders are paid R480 for 8 hours of work,while rex builders are paid R660 for 12 hours of work.Which company is paid
1. 2 answers
2. 1,039 views
Positive tags of the following:(1)It isn't raining. (2)You don't like coffee. (3)We mustn't tell her. (4)They will not help.
1. 0 answers
2. 334 views
A rectangular prism has a length of 20 in., a width of 2 in., and a height of 3 1/4 in.The prism is filled with cubes that have
1. 4 answers
2. 2,069 views
The first term of an Arithmetic progression is -5, find it's common difference if its last term is 31
1. 2 answers
2. 639 views
A chemist has the following reaction6ClO2 +3H2O -> 5HClO3 + HCl If a chemist wants 30.0 moles of HClO3, what is the minimum
1. 1 answer
2. 504 views
What is marketing and thier authors
1. 0 answers
2. 395 views
We are making a sequence of triangles out of diamonds. The first three steps are complete. In each step a line of diamonds is
1. 1 answer
2. 466 views
it snowed 14 in' in 5 hours. What is the unit rate
1. 1 answer
2. 732 views
A body of mass 2kg moving with velocity of 6m/s collides with a stationary object of mass 0.5kg. If the two bodies move together
1. 2 answers
2. 1,845 views
If objects fall with an acceleration of about 10 m/s2 on the Earth, how much would the acceleration be on the Moon's surface?
1. 0 answers
2. 258 views
Algebra15ax+10a=5a()
1. 1 answer
2. 214 views
Erika spent 5/6 hours on her computer visiting two websites. She spent 1/5 of an hour at the first website. How many hours did
1. 2 answers
2. 876 views
A sector of a circle of radius 6cm subtends an angle of 105 of the centre of the circle. Calculatei. the perpendicular of the
1. 7 answers
2. 1,160 views
Determine elastic constant of a sqring if a force of 1N is strechred by 2.7cm
1. 2 answers
2. 732 views
A school is supplied with piped water from a water tank 1 km 125m away. If 225 pipes of equal length are to be used.What is the
1. 3 answers
2. 851 views
2.Use the following graph to estimate the rate of change of the function at x=0.5 using the points (−1,−1) and (1,3)A.The
1. 1 answer
2. 903 views
A triangle has side's 8cm and 15cm and an angle of 90 degree between them calculate the smallest angle of the triangle with
1. 2 answers
2. 666 views
What is 3 significant figures of 11275.7.PLEASE ITS NEEDED VERY URGENTLY I DON'T WANT TO FAIL PLEASE!!!!!!
1. 4 answers
2. 1,350 views
What is 3 significant figures of 11,275.7.PLEASE I NEED IT NOW!!!!!!!!!!
1. 2 answers
2. 623 views
Edo:3,220,000Kaduna:6,070,000. Express Edo as a percentage of Kaduna state
1. 1 answer
2. 296 views
Find the value of:12½%of ½kg PLEASE IT IS NEEDED URGENTLY. I DON'T WANT TO FAIL PLEASE.
1. 3 answers
2. 382 views
Choose the appropriate pair of verb forms to fill in the blanks: Elle ___ grande et tu _____ petite.
1. 4 answers
2. 2,000 views
italicized word in which of the following sentences is a correct adverb form?1.After falling during a race three weeks ago,
1. 1 answer
2. 1,495 views
A pulley has a mechanical advantage of 1.What does this tell you about the size and direction of the input and output forces?
1. 6 answers
2. 1,103 views
A spiral spring of natural length of 20.0cm has a scale pan hanging freely on its lower end. When an object of mass 40g is
1. 2 answers
2. 2,475 views
What is the 50th time of the linear sequence below 27, 25, 23, 21, 19
1. 1 answer
2. 849 views
In my history class, we are currently learning about the Analects of Confucius and I was wondering what this quote means?"Never
1. 1 answer
2. 600 views
How does our sun’s 11 year sunspot cycle effect Earth?
1. 2 answers
2. 418 views
How do I differentiate y=x^3(3x+5)^7/2
1. 1 answer
2. 417 views
okay so i really need the answers for the semester exam English9A Unit6 . I can’t find them anywhere please help.
1. 0 answers
2. 512 views
A 20g bullet moving at 200m/s hots a bag of sand and comes to rest in 0.011s. What is the momentum of the bullet just before
1. 7 answers
2. 3,580 views
What is the scale factor of a dilation centered at the origin that maps the point (12, -8) to the point (-7.2, 4.8)?
1. 2 answers
2. 983 views
The coordinates of the vertices of △ABC are A(1,4), B(-2,-1), and C(-3,-2). The height h to side BC is √2, and b is the
1. 3 answers
2. 1,608 views
What is the scale factor of a dilation centered at the origin that maps the point (12, -8) to the point (-7.2, 4.8)? Please show
1. 1 answer
2. 1,099 views
If AD=27, AC=2x, BC=3, and BD=x, what is x?
1. 3 answers
2. 390 views
John draws a square on a coordinate plane. Then, he draws an image of the square 3 units to the right of the original square.
1. 4 answers
2. 1,353 views
John draws a square on a coordinate plane. Then, he draws an image of the square 3 units to the right of the original square.
1. 1 answer
2. 669 views
Which scenario accurately depicts a way that maps are used as a reference tool?A. A shopper consults a map to discern the best
1. 1 answer
2. 2,104 views
Without a scale on a map,A. many details must be omitted. B. only global trends can be captured. C. regional details can be
1. 2 answers
2. 2,436 views
Mandy finds she can get a discount on corn cobs if she buys in bulk. She can get 100 kilograms of corn cobs for $160 from Matt,
1. 1 answer
2. 2,610 views
How much 60% concentrated cordial must be added to 90% concentrated cordial to make 6L of 80% cordial?
1. 3 answers
2. 618 views
What is the angle created by two pentagons, if one side of each pentagon is glued together? Answer: 144
1. 2 answers
2. 467 views
While mixing a light green paint, Luke mixes 35% blue paint and the rest is yellow. The green paint fills up two fifths of a
1. 1 answer
2. 831 views
A 600L water tank is full to the top. One day, it started leaking at a rate of 15L per hour, when it was half way, water is
1. 3 answers
2. 550 views
(0.5)to the second power + one eighth divided by one half
1. 2 answers
2. 417 views
Determine the equilibrium constant, Ka of 0.12 mole HNO2 is dissolved to make 1 L which has a hydronium ion (Hydrogen ion)
1. 1 answer
2. 506 views
Six reason for human Rights violation
1. 1 answer
2. 509 views
what is the mean median and mode of 13, 11, 16, 12, 42, 8
1. 2 answers
2. 722 views
Does anyone know why does climate/water movement cause some parts of the ocean to be saltier than others? I'm stuck. Are there
1. 4 answers
2. 671 views
The compare_and_swap() instruction (CAS) can be used to design lock-free data structures such as stacks, queues, and lists. The
1. 1 answer
2. 3,240 views
An angel measures 53°. What are the measures of the angles comp meant and supplement?A) Comlement, 37°; supplement, 137° B)
1. 4 answers
2. 972 views
John weighs 200 pounds. He lost 10% of his weight.Then he gained back 10% of his weight. How much does John weigh now?
1. 3 answers
2. 515 views
What is the amount of sales tax owed on a $550 laptop computer at the tax rate is 7%?A) $2.65 B) $22.60 C) $38.50 (my answer) D)
1. 4 answers
2. 1,380 views
Which of the following rations is equivalent to 5/20?A) 200 to 150 B) 3:5 C) 5/4 (my answer) D) 45 to 60
1. 1 answer
2. 449 views
What was the Peloponnesian war?Please check my answer :) A) A conflict between Greece and Persia B) A conflict between Athens
1. 3 answers
2. 636 views
witch soil layers contains the most humans
1. 1 answer
2. 403 views
1. A marble sculpture has been repaired and is ready for display. Which two special tests might work together to write a written
1. 5 answers
2. 2,113 views
The substances in a(n) ___________ mixture are usually easily seen and separated.A) homogeneous B) heterogeneous C) uniform D)
1. 3 answers
2. 1,288 views
Seven subtracted from five times a number, then the difference added to nine times a number.
1. 2 answers
2. 1,125 views
For the function:a) integrate by hand to find the area under the curve btwn the given x-values b) verify your answer to part (a)
1. 1 answer
2. 469 views
A cannon is fired with a muzzle velocity of 24.6 m/s with the cannon barrel at an angle of 50.0 degrees with the horizontal.
1. 1 answer
2. 538 views
Pamela is 10 years younger then Jiri. The sum of their ages is 68. What is Jiri's age?
1. 1 answer
2. 869 views
I'm trying to figure out which type of factorial ANOVA test to use for this data. The data is from a hypothetical study looking
1. 0 answers
2. 553 views
There are clues and a fraction you have to figure out which:My denominator is 5 more than twice my numerator. I am equivalent to
1. 1 answer
2. 499 views
I need some help on some of these, finding which fraction it would be with clues. I answered some, but some I need help on:1. My
1. 2 answers
2. 1,134 views
Mrs. Porter purchased 10 grapefruit and 20 plums. One grapefruit weighs the same as 3 plums. The weight of all 30 pieces of
1. 1 answer
2. 680 views
Mrs. Porter purchased 10 grapefruit and 20 plums. One grapefruit weighs the same as 3 plums. The weight of all 30 pieces of
1. 2 answers
2. 698 views
a △ b means (7-a)*(3+b). Find c if3 △ 1=5 △ c Please help. Ms.Sue possible to answer??
1. 2 answers
2. 390 views
Why is the study of infrasound and ultrasound important?
1. 0 answers
2. 414 views
x + y = 5x^y + y^x = 17 Find x and y
1. 2 answers
2. 368 views
A ladder is 25 feet long and leaning against a vertical wall at 3 ft/sec. Suppose we wish to determine how fast the top of the
1. 2 answers
2. 2,026 views
What was the importance of the inclusion of the bill of rights in the constitution?a.It limited the power and controls the
1. 4 answers
2. 3,224 views
Calculate the ph of a 1L solution to wgich has been added 25ml of 10mM acetic acid and 25ml of 30mM sodium acetate
1. 1 answer
2. 1,955 views
Can anyone help me with this question: What is the time given to each longitude?I don't understand what it means. Please help!
1. 1 answer
2. 456 views
Water is being poured into a conical cup that is 12cm tall.a) When the water in the cup is 9cm deep, what percentage of the cup
1. 3 answers
2. 4,471 views
A person runs off a 10.0-meter high balcony in a horizontal direction at 5.0 m/s. The swimming pool is at ground level 5.5
1. 7 answers
2. 1,645 views
The illustration at right shows a rectangular box, three of whose edges coincide with the coordinate axes, and one of whose
1. 2 answers
2. 977 views
hi I reposted this question to see if I would get the answer the person who posted this one last time says that 9sqrt3 is wrong
1. 1 answer
2. 625 views
Why do you think such widespread discrimination was socially acceptable back then and is not today?
1. 1 answer
2. 384 views

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