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Raquel
Questions and answers by visitors named
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)
3 answers
1,214 views
What were Mendeleev's reversals?How did Henry Moseley explain them?
Mendeleev thought the periodic table was in order of atomic
14 answers
1,221 views
How do i solve the pair of simultaneous equations
y=x^2-3x-12 and y=2x-16 and epxress y=x^2-3x-12 in the form y=(x-h^2)+k, where
4 answers
1,329 views
factorise:
d2 + 2d + 1 - e2
2 answers
500 views
Need help with powerpoint presentation describing urbanization
1 answer
375 views
What was the role of the Nazi party?
Why were Jews denied citizenship?
4 answers
482 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
3 answers
679 views
•provide an example of how one domain of development impacts the other two.
2 answers
865 views
find cos (x/2) when sint =12/13
1 answer
436 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 answer
457 views
The average intensity of sunlight at earth's surface is approximately 1400 W/m^2 , if the Sun is directly overhead. The average
2 answers
1,304 views
A wire measures 137 centimeters in length. The shorter piece is 13 centimeters short. find the of length each piece.
2 answers
480 views
cos22.5=1/2 sqrt(A + sqrt B)
1 answer
358 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 answer
402 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
4 answers
443 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
4 answers
473 views
round to the nearest ten and hundred.
997
1 answer
372 views
round 997 to the nearest hundreds
3 answers
309 views
round to the nearest tens. 646
10 answers
917 views
round to the nearest thousand 9612
2 answers
577 views
round to the nearest thousand 9339
2 answers
793 views
round to the nearest tens 362
4 answers
407 views
Charollets Web
How did Wilbur respond to the lamb saying "Pigs mean less than nothing to me"
2 answers
473 views
Ways to group plants? Evergreen, seeds,...
1 answer
328 views
round 749 to the nearest hundred
3 answers
835 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
3 answers
348 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
6 answers
439 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 answer
285 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?
7 answers
3,174 views
In a complete sentence, explain why you can cut the rectangles into different shapes and still have four equal parts?
1 answer
347 views
Compare and contrast a desert ecosystem and a forest ecosystem.
7 answers
914 views
There are 18 students in the classroom. There ate 2 students in each group. How many groups of students are there?
7 answers
1,354 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?
6 answers
698 views
Sarah has 10 stuffed animals. Explain two different ways she can group the stuffed animals so each group has the same number and
4 answers
556 views
Sarah has 10 stuffed animals. Explain two different ways she can group the stuffed animals so each group has the same number and
7 answers
1,560 views
Explain how you know if a number can be divided by 10 evenly.
5 answers
1,140 views
The measure of how much material makes up an object is the?
3 answers
482 views
What is 7r + -5
1 answer
290 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 answer
624 views
Ricky has 16 coins consisting of P5 & P1 coins amounting to P44. How many of each kind does he have?
1 answer
381 views
Ricky has 16 coins consisting of P5 & P1 coins amounting to P44. How many of each kind does he have?
1 answer
358 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 one
More
3 answers
767 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 answer
380 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 answer
480 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
4 answers
1,001 views
A university drama production sold a total of 400 tickets for P18,500. If student tickets sold for P40 & guest tickets for P60,
4 answers
493 views
A Square shaped animal pen and a pen shaped like an equilateral triangle have an equal perimeters. Find the length of the sides
3 answers
1,253 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
2 answers
524 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
4 answers
1,376 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
4 answers
978 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.
4 answers
1,767 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.
2 answers
602 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
4 answers
784 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
2 answers
890 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
2 answers
1,180 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
2 answers
653 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
3 answers
1,438 views
Find two consecutive integers such that 1/5 of the first less 1/9 pf the secondnis 3
1 answer
341 views
Find two consecutive integers such that 1/5 of the first less 1/9 of the second is 3
1 answer
325 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 answer
437 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
3 answers
2,100 views
A natural number decreased by 30 times its reciprocal is 1. Find the natural number.
4 answers
1,439 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
2 answers
786 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
2 answers
786 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
3 answers
1,057 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
2 answers
547 views
120t = 105 (t+1/3)
Find the disrance
1 answer
352 views
Driving from Tulsa to Detroit, Takimi average 50mph, he figured thatnif he had average 60mph his driving hours would have
1 answer
343 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 answer
459 views
What is the value of x and y in the equation 7y= 2x+28.
1 answer
272 views
Y-2x=4 solve for x and y with graph
2 answers
528 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
2 answers
703 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 answer
336 views
Not counting the "turn around" , a helicopter carrying passengers between an airport and the roof of a downtown skycraper 20
2 answers
499 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 answer
415 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 answer
455 views
Not counting the "turn around" , a helicopter carrying passengers between an airport and the roof of a downtown skycraper 20
1 answer
467 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
2 answers
574 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?
2 answers
821 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
2 answers
1,339 views
Triangle DOG is congruent to triangle CAT, DO=5, OG = 6, DG = 7 and CA = 2x + 1. Find x
3 answers
988 views
TriangleWED is congruent to triangle FRI, angle W = 80degrees, angle D = 45 degrees, angle E = 55 degrees and angle R = 4x + 10.
1 answer
427 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)
2 answers
529 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
4 answers
3,567 views
find the value Of k of the product pf the roots of 2x square - 6x + k = 0 is 4.
4 answers
363 views
Two numbers differ by 6. The sum of their squares is 116. Find the biggest number.
5 answers
3,355 views
The difference between a number and its reciprocal is 7/12. Find the number.
4 answers
2,234 views
The square of a certain integer plus three times itself equals 18. Find the integer
1 answer
415 views
A carpenter is to use 12m of wood to construct a picture frame.what is the maximum area of the frame
3 answers
537 views
A manufacturer is in the business of producing small figurines. He finds that the daily cost in pesos,P, of producing n
2 answers
590 views
What number or numbers are equal to thrice their own square root?
2 answers
517 views
If a=25cm and b=2meters, what is the ratio of a to b?
1 answer
370 views
The sides of a triangle are 15cm, 20cm, and 28cm. How long are the segments into which the bisector of the largest angle
4 answers
660 views
Given triangleABC proportion to trianglePQR. If AB=4cm, BC=6cm, AC=9cm, and QR=4cm, find the perimeter of trianglePQR. What is
4 answers
406 views
What should be the value of x so that the ratios 4:10 and x:12 will form a proportion
1 answer
386 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 answer
468 views
If a 6-foot man has a shadow of 9 feet, how long a shadow would a 20-foot pole have?
3 answers
497 views
In trianglePQR, if AB//QR, PA=3cm, PQ=8cm, and QR=9cm, how long is AB?
1 answer
393 views
If AB//CD//EF, BD=12cm, DF=16cm and AE=35cm, find AC
1 answer
299 views
Given triangleABC proportion to trianglePQR. If AB=4cm, BC=6cm, AC=9cm, and QR=4cm, find the perimeter of trianglePQR
1 answer
423 views
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