Questions and answers by

Kirk

Questions (40)

Is it possible to have a negative specific heat capacity lf calorimeter?
1. 1 answer
2. 460 views
2y-8=3y-18
1. 1 answer
2. 292 views
2 4/5 + 1 3/5 =
1. 3 answers
2. 287 views
Ms. Sue can u explain how you got the answer 240 in my post! The one wth PEMDAS!
1. 1 answer
2. 396 views
5- 1 1/3=3/4 + 5=
1. 1 answer
2. 275 views
1 2/3 + 2/3 =
1. 2 answers
2. 302 views
19+ 25/5 - (2+6) =5+ (8-3)^2 X (8+1) =
1. 3 answers
2. 297 views
3/10-1/10+4/10=
1. 3 answers
2. 283 views
2/5 of 25=
1. 2 answers
2. 317 views
An antelope moving with constant acceleration covers the distance between two points 75.0 m apart in 6.20 s. Its speed as it
1. 0 answers
2. 701 views
1An object is thrown upward at an initial velocity and caught at the same level as it was thrown. What should the maximum height
1. 1 answer
2. 498 views
Imagine a fender bender between a large truck and a small car. During the impact,Choose one answer. a. the truck exerts a
1. 1 answer
2. 551 views
The coal car for a train has a mass of 1796 kg when it is empty. The track exerts a friction force of 3132. What force should
1. 1 answer
2. 379 views
An elevator is lifted up by a thick steel cable. While the elevator is moving upwards with a decreasing velocity,a. the upward
1. 1 answer
2. 558 views
ok so having trouble with this have tried and trie but can seeem to come up with tthe answer. d/(1-d)^2=(d+1)^2 - 1/dthe answer
1. 1 answer
2. 278 views
A 70g steel bullet moves at 200m/s just before imbedding itself into a thick anchored wood post. If 70% of the initial kinetic
1. 0 answers
2. 407 views
an ideal fluid in a pipe of diameter 14cm is moving at 6.0m/s. If the incompressible fluid density is 1.05grams/cc, what is the
1. 1 answer
2. 928 views
A wire of diameter 0.65mm and length 6.0m stretches 10mm when 5.5kg is hung from it. What is the Young's modulus for the wire
1. 0 answers
2. 499 views
Suppose you have a cookie stand, and when you charge $3 per cookie box you sell 200 boxes. But when you raise your price to $4
1. 2 answers
2. 453 views
The Great Pyramid of Cheops is a right square pyramidwith height of 148 m and a square base with a perimeter of 940 m. The
1. 1 answer
2. 1,383 views
Find the cost of carpeting the following rectangularrooms: a. Dimensions: 6.5 m * 4.5 m; cost = $13.85>m2 b. Dimensions: 15 ft *
1. 4 answers
2. 1,731 views
Explain how you would find the volume of an irregularshape.
1. 1 answer
2. 444 views
John claimed he had a garden twice as large as Al’s rectangular-shaped garden that measured 15 ft by 30 ft. When they visited
1. 1 answer
2. 1,601 views
Which of the following properties do not change under asize transformation? Explain how you can be sure of your answers. a.
1. 1 answer
2. 473 views
What geometric properties make “SOS” a good choicefor the international distress symbol?
1. 2 answers
2. 1,905 views
A plumber needs four sections of pipe 2 7/8feet long. Can this be cut from a 12 foot section? If so, how much pipe will be left
1. 2 answers
2. 1,180 views
The ratio of boys to girls in Mr. Joiner’s class is 5 to 7. If there are 15 boys in the class, how many totalstudents are in
1. 6 answers
2. 607 views
Wheel’s Bicycle shop advertised a bicycle for 15% off for a savings of $36. The bicycle did not sell so itwas offered at a new
1. 3 answers
2. 558 views
Round each of the following numbers as specified.(a) 508.576 to the nearest hundredth ________________ (b) 508.576 to the
1. 2 answers
2. 652 views
Sheryl correctly answered 85% of the questions on her 200-question biology final.Fernando scored a 90% on his 180-question
1. 1 answer
2. 1,164 views
Two automobile dealers, A and B, had the same car which was listed at $18,000. Dealer A offered a$1200 rebate and would
1. 1 answer
2. 509 views
Use the tagging and recapturing technique to estimate the number of fish in a pond. Suppose 140 fishwere captured, tagged, and
1. 2 answers
2. 796 views
Paul read 20 pages of a book in 15 minutes.(a) What is Paul’s reading rate of pages per minute? (b) If he continues to read at
1. 2 answers
2. 1,080 views
plumber needs four sections of pipe 27 8 feet long. Can this be cut from a 12 foot section? If so, how much pipe will be left
1. 1 answer
2. 578 views
Place >, <, or = between each of the following pairs to make true sentences4/5 and 120/150 -6/ and -7/6 -4/20 and 4/-20
1. 1 answer
2. 396 views
A student claimed that 9/(-11) is an improper fraction. Howdo you respond?
1. 1 answer
2. 371 views
A Boeing 747 jet is approximately 230 ft. long and has awingspan of 195 ft. If a scale model of the plane is about 40 cm long,
1. 1 answer
2. 561 views
I am not sure about this problemFind four large cities around the world and an approximate percentage rate of population growth
1. 1 answer
2. 701 views
Given that a*b = ab-b/aEvalute 1)-3+-4*8 is it 32-8/4=6? 2)2*(4*8) is the ans 64? it means ab minus B divided by A
1. 2 answers
2. 479 views
Given that a*b = ab-b/aEvalute 1)-3+-4*8 is it 32-8/4=6? 2)2*(4*8) is the ans 64?
1. 1 answer
2. 397 views