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Questions (689)
tina is more than 20 yrs old but less than 60. you can count by 7s to reach her age. next year you count by 5s to reach her age
3 answers
321 views
find two numbers whose difference is 153
3 answers
762 views
341- blank = a number between 115 and 120
1 answer
450 views
use only the 6,+,-,x,divided,and = keys on a calculator to get the display to say 7. you can use these keys as many or as few
1 answer
515 views
10, 15, 25 what is the range ?
2 answers
334 views
The Human Resources Department of Apex Manufacturing Company wants a report that shows its employees the benefits of saving for
0 answers
618 views
if a ticket for a game was 60.00. than later the price was increased by 2/5 what is the final cost of the ticket?
2 answers
394 views
3. Create the logic for a program that accepts input values for the projected cost of a vacation and the number of months until
0 answers
555 views
Your vertical spring accelerometer has a 40 g mass hanging from it. You climb aboard the roller coaster that starts at rest and
1 answer
429 views
Sara drives 72 miles on 3.2 gallons of gas. She uses this information to calculate how many miles per gallon she can drive.
4 answers
5,941 views
Can someone check my answers:
write out each problem with repeated addition. 3*0= 0*13= 20*0= I got 0+0+0
1 answer
468 views
The answer to this question IS NOT "B".
What is the answer to the following question. Inside the bus, in his summer Class-A
3 answers
1,586 views
Inside the bus, in his summer Class-A uniform with its brass glitter and infantry-blue shoulder cordon, Jamie Sabin was going
1 answer
724 views
2. According to your text, the groundwater aquifers of India have been severely over pumped. (Points : 1)
1 answer
364 views
the bases of a trapezoid are 22 and 12 respectively. The angles at the extremities of one base are 65^ and 40^ respectively.
2 answers
1,777 views
Carol Miller went to Europe and forgot to pay her $850 mortgage payment on her New Hampshire ski house. For her 55 days overdue
1 answer
446 views
a 5000lb. truck traveling at 30 miles per hr. hits a herd of horses bring the truck to a dead stop what is the force of impact?
1 answer
872 views
In 1970, the total enrollment in public universities and colleges in a country was 5.1 million students. By 2004, enrollment had
0 answers
563 views
please help me Asap
In 1970, the total enrollment in public universities and colleges in a country was 5.1 million students. By
1 answer
1,262 views
A 600 lb. oak packing crate is sitting on a cross grained, 14 ft long, oak ramp.
The force of the box against the ramp is 520
0 answers
512 views
The cannonball is fired at a speed of 45 and an angle of 35 . A cannonball that was accidentally dropped from the top of the
2 answers
511 views
What was the Supreme Court's ruling on the Dred Scott case?
Dred Scott should be considered free since he had lived in many
7 answers
1,868 views
What do you learn from the dialogue between Mr. Frank and Miep at the beginning of Scene 1?
A;Miep wants to show Mr. Frank
2 answers
809 views
Sodium fluoride and lead nitrate are both soluble in water. If 1.13 g of NaF and 0.232 g of Pb(NO3)2 are dissolved in sufficient
1 answer
715 views
2 H2 + O2 = 2H2O
2 grams + 32 grams=_ _ _ _ _grams how would the mass of water formed in the reaction compare to the mass of
0 answers
493 views
2 H2 + O2 -> 2 H2O
2 grams + 32 grams -> _ _ _ _ _ grams how would the mass of water formed in the reaction compare to the mass
0 answers
546 views
2 H2 + O2 -> 2 H2O
2 grams + 32 grams -> _ _ _ _ _ grams how would the mass of water formed in the reaction compare to the mass
0 answers
1,000 views
2 H2 + O2 -> 2 H2O
2 grams + 32 grams -> _ _ _ _ _ grams how would the mass of water formed in the reaction compare to the mass
0 answers
739 views
2 H2 + O2 -> 2 H2O
2 grams + 32 grams -> _ _ _ _ _ grams how would the mass of water formed in the reaction compare to the mass
0 answers
548 views
2 H2 + O2 -> 2 H2O
2 grams + 32 grams -> _ _ _ _ _ grams how would the mass of water formed in the reaction compare to the mass
1 answer
521 views
when 1 gram of water evaporated the volume of the water vapor increases but the mass remains constant.
why does the water remain
0 answers
395 views
why the tilt of axis causes summer to be warmer than winter in the northern hemisphere
i put because the rays of the sun strike
1 answer
660 views
what does ella mean
1 answer
356 views
A solution is prepared by mixing 50.7 mL of 0.28 M Pb(NO3)2 with 70.8 mL of 1.0 M KCl. Calculate the concentrations of Pb2+ and
0 answers
423 views
The speed of a substance is 13.056 m/s. What is the speed in cm/Ms??
1 answer
314 views
the mean IQ of statistics teachers is greater than 110. write the existing state and alternative hypotheses.
1 answer
450 views
solve equation for the exact solutions if possible put answer in degrees.
2tanx/3-tan^2x=1
1 answer
1,931 views
is (0,4)a solution to y=6-2x?.Explain
2 answers
806 views
find the speed of sound (in m/s) at -35°C at 1 atm pressure in dry air
2 answers
660 views
Explain the Doppler Effect?
1 answer
440 views
complete KH2PO4(aq)+KOH(aq)
1 answer
367 views
On a wet racetrack, the maximum safe speed, to avoid sliding on a level circular curve with a radius of curvature of 56 m, is 73
1 answer
636 views
Calculate pH for strong base solution: 15.0 mL of 1.20×10^−2 M Ca(OH)2 diluted to 460.0 mL
1 answer
501 views
What is the cash discount and net amount paid if the gross amount of the invoice or freight paid is 7000$, freight charged is
0 answers
784 views
How many 4-digit numbers can be formed using the numbers 5, 6, 7 and 8? How many of the 4-digit numbers are less than 7000?
2 answers
580 views
In a movie a character jumps off a balcony at an angel of 25 degree 10 meters above the ground and land in a window that is 5
1 answer
575 views
How many milliliters of a stock solution of 5.40 M HNO_3 would you have to use to prepare 0.150 L of 0.510 M HNO_3?
3 answers
500 views
Two boxes sit side-by-side on a smooth horizontal surface. The lighter box has a mass of 5.18 kg, the heavier box has a mass of
0 answers
1,190 views
A fishtank with inside dimensions of 30.5 cm X 61 cm X 30.5 cm is filled with water. What is the volume in cm3 of water
1 answer
560 views
A fishtank with inside dimensions of 30.5 cm X 61 cm X 30.5 cm is filled with water. What is the volume in cm3 of water
1 answer
482 views
1. Small group discussions with preschools enables them to: A. Find out if they are superior B. Learn to argue C. Outsmart the
3 answers
911 views
2 5/8 * 24 * 6 2/3
1 answer
216 views
how do you solve this equation
2 cos pi x = 4x + 5
1 answer
348 views
what is a 40% mark up on an item that
costs-$38.00?
4 answers
292 views
A galvanic cell has an iron electrode in contact with 0.20 M FeSO4 and a copper electrode in contact with a CuSO4 solution. If
1 answer
2,679 views
if ABCD is a square and DB is equal to 12 cm, then AC is equal to 6 cm.
2 answers
388 views
simplify 9-(6+4v) & 7(p-10)-7
1 answer
275 views
Find the set that describes the intersection of each pair of sets:
a. C={people who are more than 20 years old}. D={people who
1 answer
448 views
The initial kinetic energy imparted to a 0.72 kg bullet is 1777 J.The acceleration of gravity is 9.81 m/s2. Neglecting air
0 answers
569 views
27.
a)In the 1950’s, an experimental train that had a mass of 32800 kg was powered across a level track by a jet engine that
0 answers
603 views
22.
a)You are a pirate working for Dread Pirate Roberts. You are in charge of a cannon that exerts a force 20000 N on a cannon
1 answer
1,015 views
A student weighing 700 N climbs at constant
speed to the top of an 8 m vertical rope in 10 s. The average power expended by the
2 answers
1,132 views
15.
A 3.0 kg block is pushed 3.0 m at a constant velocity up a vertical wall by a constant force applied at an angle of 30.0�
3 answers
2,351 views
6.
a)A 1260 kg car accelerates uniformly from rest to 4.65 m/s in 2.6 s. Find the work done on the car in this time.Answer in
1 answer
462 views
1.
a)A 15.6 kg block is dragged over a rough, horizontal surface by a constant force of 72.2 N acting at an angle of angle 34.8�
0 answers
666 views
a computer company gives a discount of 10% on a new piece of software.If it makes a 40% profit what percentage does the marked
0 answers
423 views
how do i change a fraction to a decimal
1 answer
312 views
4 2/5 - 2 1/2 = P + 3/10
1 answer
565 views
Latoya has 3/4 of a bag of popcorn. If she eats half of the popcorn at a movie , how much does she have left?
3 answers
497 views
Rupert flew 3/16 of the way around the world, but George only flew 4/9 as far as Rupert how far around the world did George fly?
1 answer
337 views
How many molecules are 100.00 grams of H2O?
3 answers
613 views
What is the mass of 5.00 moles of Pb(CH3COO)2?
1 answer
387 views
how would 3 neighbors divide a sharing a rectangle piece of land divide it into 24 equal pieces and what fraction of land would
1 answer
667 views
how many moles of sodium ions are present in 3.50 L of 0.400 M Na3PO4?
1 answer
598 views
Help with spanish!!!! Have to put correct words in the banks. 2 of them will not be used.?
Querida Beth: 1) (blank) esta todo
1 answer
1,625 views
In the explosion of a hydrogen-filled balloon, 0.54 g of hydrogen reacted with 6.6 g of oxygen to form how many grams of water
1 answer
1,253 views
During a football game, two players try to tackle another play. One player applies a force of 50.0 N to the east. A second
1 answer
594 views
which of the following statements are correct?
a. a normal distribuiton is any distribution that is not unusual. b. the graph of
1 answer
678 views
indicate whether the given statement could apply to a data set consisting of 1,000 vlaues that are all differnt.
a. the 29th
1 answer
388 views
The area of a circle is 28.26 square centimeters. What is its diameter (use 3.14 for ð)?
2 answers
3,715 views
A big yo-yo(radius .2m, mass 20kg) has a string wrapped about its circumference. If yo-yo falls, how far does it fall in 2
1 answer
472 views
100 million automobiles contains 1.1 kg of CFC-12
and leaks 25% of its CFC-12(CF2Cl2) into the atmosphere per year, how much
3 answers
757 views
By 2008 the US trade deficit was still very large (roughly 5% of gross income) and our net debt position was around $5 trillion
0 answers
469 views
I meant to type this one:
If the sine of an acute angle is 0.8, what is the sine of twice that angle? 1.60 or .64? Thanks
1 answer
461 views
Help How do I figure out:
(cos 40)(cos20) - (sin 40)(Sin 20) Thank you
1 answer
387 views
I am taking an online class, and cant understand why when I calculate ona ti84 plus an answer I get decimal answer and my
2 answers
506 views
I am taking an online class, and cant understand why when I calculate ona ti84 plus an answer I get decimal answer and my
1 answer
467 views
6) How many grams of copper (II) fluoride, CuF2, are needed to make 6.7 liters of a 1.2 M solution?
2 answers
2,217 views
sum_(n=-1)^infinity(-1)^(n+1) (1/3)^n = 9/4~~2.25...
How do you find that out? Is there a formula?
0 answers
322 views
Write a net equation for the reaction between aqueous solutions of HBr and NH3.
1 answer
499 views
How many grams of oxygen are required to react with 0.128 lead(II) sulfide?
1 answer
1,385 views
x – 2y = 6
1 answer
282 views
dh/dx
x = 7 , h (x) = (x^-1/2 + 8x)(4 - x^-1)
1 answer
279 views
Question 1
Question 1 1. Question 1 text The head of the History Department wants to compare the averages of 2 different
1 answer
721 views
estimate 4/5of 49
1 answer
287 views
6/11x32 by using estimating product
0 answers
388 views
2/3x35 by using estimating product
0 answers
403 views
3/4x35 by using estimating product
0 answers
352 views
7/8x30 by using estimating product
0 answers
352 views
5/8x41 by using estimating product
0 answers
292 views
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