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Raquel

Questions and answers by Raquel

Questions (129)

A wrench .9m long lies along the positive y-axis, and grips a bolt at the origin. A force is applied in the direction of (0,1,3)
1. 3 answers
2. 1,230 views
What were Mendeleev's reversals?How did Henry Moseley explain them?Mendeleev thought the periodic table was in order of atomic
1. 14 answers
2. 1,239 views
How do i solve the pair of simultaneous equationsy=x^2-3x-12 and y=2x-16 and epxress y=x^2-3x-12 in the form y=(x-h^2)+k, where
1. 4 answers
2. 1,337 views
factorise:d2 + 2d + 1 - e2
1. 2 answers
2. 510 views
Need help with powerpoint presentation describing urbanization
1. 1 answer
2. 383 views
What was the role of the Nazi party?Why were Jews denied citizenship?
1. 4 answers
2. 491 views
0.1kg of ice initially at a temperature of -10 degrees Celsius is added to a cup with .5kg of water initially at 20 degrees
1. 3 answers
2. 688 views
•provide an example of how one domain of development impacts the other two.
1. 2 answers
2. 872 views
find cos (x/2) when sint =12/13
1. 1 answer
2. 445 views
A figure is made of a row of squares. One square has a perimeter of 4. Two squares have a perimeter of 6, and so on. Finish the
1. 1 answer
2. 466 views
The average intensity of sunlight at earth's surface is approximately 1400 W/m^2 , if the Sun is directly overhead. The average
1. 2 answers
2. 1,323 views
A wire measures 137 centimeters in length. The shorter piece is 13 centimeters short. find the of length each piece.
1. 2 answers
2. 487 views
cos22.5=1/2 sqrt(A + sqrt B)
1. 1 answer
2. 369 views
Eight students tried out for the band or chorus. Five students tried out for band, and the rest tried out for the chorus. How
1. 1 answer
2. 409 views
Doug has 170 stamps in his two-book collection. his first book of stamps has 30 more stamps in it than his second book. How mwny
1. 4 answers
2. 450 views
Mr. Burns ran 14 miles last week. He only ran on Monday, Tuesday, and Wednesday. If Mr. Burns ran 3 miles on Tuesday and 5 miles
1. 4 answers
2. 479 views
round to the nearest ten and hundred.997
1. 1 answer
2. 379 views
round 997 to the nearest hundreds
1. 3 answers
2. 316 views
round to the nearest tens. 646
1. 10 answers
2. 938 views
round to the nearest thousand 9612
1. 2 answers
2. 584 views
round to the nearest thousand 9339
1. 2 answers
2. 800 views
round to the nearest tens 362
1. 4 answers
2. 413 views
Charollets WebHow did Wilbur respond to the lamb saying "Pigs mean less than nothing to me"
1. 2 answers
2. 479 views
Ways to group plants? Evergreen, seeds,...
1. 1 answer
2. 339 views
round 749 to the nearest hundred
1. 3 answers
2. 847 views
Leslie saw 8 squirrles at the park. She saw 5 birds and 12 ants. how many more ants and birds did Leslie see than she saw
1. 3 answers
2. 355 views
Sophia went to an amusement park. She went on 18 rids in all. 7 of the rides were roller coasters. How many of the rides Sophia
1. 6 answers
2. 447 views
How do I solve this algebra questions,2n+4n+4=-8, 9=5+4t, at+2=12, 2x+3=7, 3b+6=12, m/6+5=7????
1. 1 answer
2. 291 views
What is the van't Hoff factor for K2SO4 in an aqueous solution that is 5.00 % K2SO4 by mass and freezes at -1.21 ∘C?
1. 7 answers
2. 3,193 views
In a complete sentence, explain why you can cut the rectangles into different shapes and still have four equal parts?
1. 1 answer
2. 361 views
Compare and contrast a desert ecosystem and a forest ecosystem.
1. 7 answers
2. 923 views
There are 18 students in the classroom. There ate 2 students in each group. How many groups of students are there?
1. 7 answers
2. 1,373 views
Bryce draws 40 stars on a poster. He draws 5 rows and puts the same number in each row. How many stars ate in each row?
1. 6 answers
2. 705 views
Sarah has 10 stuffed animals. Explain two different ways she can group the stuffed animals so each group has the same number and
1. 4 answers
2. 563 views
Sarah has 10 stuffed animals. Explain two different ways she can group the stuffed animals so each group has the same number and
1. 7 answers
2. 1,571 views
Explain how you know if a number can be divided by 10 evenly.
1. 5 answers
2. 1,147 views
The measure of how much material makes up an object is the?
1. 3 answers
2. 488 views
What is 7r + -5
1. 1 answer
2. 292 views
Based on this problem:"Wayne owns a shaved ice stand. He sells 700 shaved ice cups per month at $1.50 each, making the total
1. 1 answer
2. 632 views
Ricky has 16 coins consisting of P5 & P1 coins amounting to P44. How many of each kind does he have?
1. 1 answer
2. 385 views
Ricky has 16 coins consisting of P5 & P1 coins amounting to P44. How many of each kind does he have?
1. 1 answer
2. 365 views
Mother has P1 coin, P5 coins and P10 bill in her purse. In all, she has P112. She has two more P1 coin than P5 coins and oneMore
1. 3 answers
2. 776 views
One positive integer is three moee than twice another and their sum is greater than 65 but less than 75. What pairs of integers
1. 1 answer
2. 386 views
One positive integer is three moee than twice another and their sum is greater than 65 but less than 75. What pairs of integers
1. 1 answer
2. 487 views
Eric has 48 bills valuing P1,500 to be deposited in a bank. If the bills consistedmof P20& P50 bills, how many P50 bills does he
1. 4 answers
2. 1,008 views
A university drama production sold a total of 400 tickets for P18,500. If student tickets sold for P40 & guest tickets for P60,
1. 4 answers
2. 500 views
A Square shaped animal pen and a pen shaped like an equilateral triangle have an equal perimeters. Find the length of the sides
1. 3 answers
2. 1,268 views
If two inlet pipes are open, they can fill a pool in 1 & 12 minutes, one of the pipes can fill the pool itself in 2 hours. How
1. 2 answers
2. 530 views
A woman invested some money at 8% and some at 9% annual simple interest. The interest for 1 year on the combined investment of
1. 4 answers
2. 1,389 views
A merchant wants to mix gummy worms worth $7 per pound and gummy bears worth $3 per pound to make 30 pounds of a mixture worth
1. 4 answers
2. 984 views
The ticket prices for a movie are shown in the illustration. Receipts for one showing were $1,990 for an audience of 215 people.
1. 4 answers
2. 1,783 views
A rectangular-shaped dance floor has a perimeter of 164 feet. If the floor were 44 feet wider, its width would equal its length.
1. 2 answers
2. 609 views
A boat can travel 48 miles downstream in 4 hours and can make the return trip in 6 hours. Find the speed of the boat in still
1. 4 answers
2. 791 views
An airplane travels 1260km in the same time a car travels 429km. If the rate of the car is 120kph less than the rate of the
1. 2 answers
2. 896 views
An airplane travels 1260km in the same time a car travels 420km. If the rate of the car is 120kph less than the rate of the
1. 2 answers
2. 1,188 views
An ordinary plane leaves an airport and flies due west at 180kph. Two hours later, a jet leaves the same airport and flies due
1. 2 answers
2. 662 views
An ordinary plane leaves an airport and flies due west at 180kph. Two hours later, a jet leaves the same airport and flies due
1. 3 answers
2. 1,447 views
Find two consecutive integers such that 1/5 of the first less 1/9 pf the secondnis 3
1. 1 answer
2. 345 views
Find two consecutive integers such that 1/5 of the first less 1/9 of the second is 3
1. 1 answer
2. 330 views
A boat travels 28 km upstream in 7 hours. It travels 48 km downstream in 4 hours. Find the speed of the boat and the speed of
1. 1 answer
2. 444 views
A boat travels 28 km upstream in 7 hours. It travels 48 km downstream in 4 hours. Find the speed of the boat and the speed of
1. 3 answers
2. 2,107 views
A natural number decreased by 30 times its reciprocal is 1. Find the natural number.
1. 4 answers
2. 1,449 views
Imelda's plane travels at a speed of 350kph in still air. One day, she travels 169km against the wind at the same time it takes
1. 2 answers
2. 795 views
Tom can clean the living room in 45 minutes. Wally can clean it in 30 minutes. Both start cleaning and 5 minutes later their
1. 2 answers
2. 794 views
In an automobile race, the rate of one car was 120 mi/hr and the rate of another was 105 mi/hr. If the faster car finished the
1. 3 answers
2. 1,064 views
In an automobile race, the rate of one car was 120 mi/hr and the rate of another was 105 mi/hr. If the faster car finished the
1. 2 answers
2. 553 views
120t = 105 (t+1/3)Find the disrance
1. 1 answer
2. 358 views
Driving from Tulsa to Detroit, Takimi average 50mph, he figured thatnif he had average 60mph his driving hours would have
1. 1 answer
2. 350 views
Three years ago, Wendy's age was 3/4 as old as Erna and Lucys age was 2/3 as okd as Erna. If the sum of their ages is 67, find
1. 1 answer
2. 465 views
What is the value of x and y in the equation 7y= 2x+28.
1. 1 answer
2. 276 views
Y-2x=4 solve for x and y with graph
1. 2 answers
2. 532 views
A salmon swims 15 miles downstream from its birth to the ocean in 3 hours. The return trip upstream to spawn takes 5 hours. How
1. 2 answers
2. 708 views
Joe takes twice as long as to row against a current as with it. If he rows 6 miles an hour in still water, what is the rate of
1. 1 answer
2. 346 views
Not counting the "turn around" , a helicopter carrying passengers between an airport and the roof of a downtown skycraper 20
1. 2 answers
2. 509 views
The air speed of a plane is 150 mph. If the plane traveled the same distance in two hours with the wind as it flew in 3 hours
1. 1 answer
2. 425 views
A motorboat travelling at full speed against a current goes 15 miles in one hour. Travelling at half speed with the current, it
1. 1 answer
2. 462 views
Not counting the "turn around" , a helicopter carrying passengers between an airport and the roof of a downtown skycraper 20
1. 1 answer
2. 476 views
A boat traveled 36 mi up a river in 3 hours, returning downstream, the boat took 2 hours. What is the boat's rate in still water
1. 2 answers
2. 580 views
Rosa is 14 years older than her sister Amy. 3 years ago, she was 3 times as old as Amy. How old are they now?
1. 2 answers
2. 826 views
A laboratory technician wishes to mix a 70% saline solutio and a 20% solution to prepare 500ml of a 40% solution. What amount of
1. 2 answers
2. 1,347 views
Triangle DOG is congruent to triangle CAT, DO=5, OG = 6, DG = 7 and CA = 2x + 1. Find x
1. 3 answers
2. 996 views
TriangleWED is congruent to triangle FRI, angle W = 80degrees, angle D = 45 degrees, angle E = 55 degrees and angle R = 4x + 10.
1. 1 answer
2. 438 views
If y = 3 is a horizontal asymptote of a rational function, which must be true?A) lim x→ 3 f(x) = 0 B) lim x→ 0 f(x) = 3 C)
1. 2 answers
2. 538 views
A children's park is 350m long and 200 m wide. It is surrounded by a pathway of uniform wittd. Suppose the total area of the
1. 4 answers
2. 3,574 views
find the value Of k of the product pf the roots of 2x square - 6x + k = 0 is 4.
1. 4 answers
2. 369 views
Two numbers differ by 6. The sum of their squares is 116. Find the biggest number.
1. 5 answers
2. 3,368 views
The difference between a number and its reciprocal is 7/12. Find the number.
1. 4 answers
2. 2,239 views
The square of a certain integer plus three times itself equals 18. Find the integer
1. 1 answer
2. 422 views
A carpenter is to use 12m of wood to construct a picture frame.what is the maximum area of the frame
1. 3 answers
2. 544 views
A manufacturer is in the business of producing small figurines. He finds that the daily cost in pesos,P, of producing n
1. 2 answers
2. 598 views
What number or numbers are equal to thrice their own square root?
1. 2 answers
2. 522 views
If a=25cm and b=2meters, what is the ratio of a to b?
1. 1 answer
2. 375 views
The sides of a triangle are 15cm, 20cm, and 28cm. How long are the segments into which the bisector of the largest angle
1. 4 answers
2. 669 views
Given triangleABC proportion to trianglePQR. If AB=4cm, BC=6cm, AC=9cm, and QR=4cm, find the perimeter of trianglePQR. What is
1. 4 answers
2. 412 views
What should be the value of x so that the ratios 4:10 and x:12 will form a proportion
1. 1 answer
2. 393 views
Two sides of a triangle are 8cm and 12cm long, and the altitude to the 8-cm side is 9cm. How long is the altitude to the 12-cm
1. 1 answer
2. 473 views
If a 6-foot man has a shadow of 9 feet, how long a shadow would a 20-foot pole have?
1. 3 answers
2. 510 views
In trianglePQR, if AB//QR, PA=3cm, PQ=8cm, and QR=9cm, how long is AB?
1. 1 answer
2. 400 views
If AB//CD//EF, BD=12cm, DF=16cm and AE=35cm, find AC
1. 1 answer
2. 304 views
Given triangleABC proportion to trianglePQR. If AB=4cm, BC=6cm, AC=9cm, and QR=4cm, find the perimeter of trianglePQR
1. 1 answer
2. 429 views

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