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Lina
Questions and answers by visitors named
Lina
Questions (131)
Write your answer in standard form. Show all your work if you want to be eligible for partial credit.
Write the equation of a
1 answer
613 views
A nation's production possibilities curve is "bowed out" from the origin because
a. resources are not equally efficient in
3 answers
2,094 views
A steel beam is used in the construction of a skyscraper. By what fraction (change in L)/(Lo) does the length of the beam
4 answers
785 views
Which equation has the complex number 4-3i as a root?
1) x^2+6x-25=0 2) x^2-6x+25=0 3) x^2+8x-25=0 4) x^2-8x+25=0 Can anyone
4 answers
1,529 views
What would be considered as a competitive interest rate and was is a compeititve interest rate?
1 answer
355 views
For the reading section is the format
part 1 vocab 2 short passages 1 long part3 vocab 2 short passages 2 short or is it the
2 answers
585 views
city law enforcement has state that 20% of items sold by paywn within city stolen john purchase 4 items from city pawn shop for
1 answer
452 views
For the manufacturing plant discussed in Exercise 8.10, the union president and the human resources director jointly select a
2 answers
560 views
8.11) For the manufacturing plant discussed in Exercise 8.10, the union president and the human resources director jointly
2 answers
749 views
If a sample of size 30 is selected, the value of A for the probability p(t¡Ý A)= 0.01 is?
3 answers
632 views
If a sample of size 30 is selected, the value of A for the probability
P(t greater or less A) = 0.01 is?
2 answers
477 views
Please, give the formula and steps to do this problem. Thank you
The average length of a flight by regional airlines in the
3 answers
835 views
Please only the formula and step I need for this problem. thank you
In response to media inquiries and concerns expressed by
1 answer
508 views
Please only the formula and steps to do this problem. Thank you
An assembly process includes a torque wrench device that
2 answers
943 views
A researcher has observed independent samples of females and males, recording how long each person took to complete his or her
4 answers
560 views
For constant acceleration, how does the average velocity for an interval compare with the instantaneous velocity at half-time in
4 answers
511 views
Calculate the pH change of 10mL of HCl added to 1M phosphate buffer in 1L with initil pH of 7.2?
2 answers
558 views
I forgot my book in my desk and have homework over the weekend!! HELP ME!
2 answers
501 views
This is a follow up on my other question:
I need help on Mitosis, and cell reproduction.
1 answer
285 views
The formation of children's core values is most strongly influenced by
5 answers
426 views
Question: What time period or movement began in the textile industry?
I am really confused about this questions. My answer was
5 answers
335 views
How many 2 inch squares can be placed completly on a rectangular board that is 12 inchea wide and 16 inches long?
1 answer
361 views
Tim ate some chocolate cake for an afternoon snack He left 3/4 of the cake. If his parents ate 1/3 of the remaining cake for
3 answers
643 views
HI! I need help with detremining how long my essay should be. It has to be from 4-5 minutes long. Thanks!
5 answers
319 views
Hi! For a research project from my science class I'm having trouble trying to find an answer to the following problem.
How does
4 answers
442 views
I only have one way that the Man-o-War defends them self, their stingers. I need one more way. But my search engine only
7 answers
446 views
Hi I need help with my math problem. It is:
Name the function rule from the table given. Table- X= Y= -4 4 -2 2 0 0 answers: y =
5 answers
482 views
For my quiz some of these questions confuse me.
Your genome is over 99% identical to every other human on earth. True False 3
3 answers
492 views
Can a secondary consumer be eaten by another secondary consumer? Thanks! :-)
4 answers
413 views
I need help figuring out this on a food web. It goes from a flower to a butterfly to a frog to the bird to a coyote. Now I have
5 answers
431 views
Where was the site for the Battle of Gettysburg in the Civil War? Thanks!
4 answers
885 views
Where was the site of the Battle of Fort Sumter in the Civil War? Thanks!
11 answers
523 views
(Penn Foster)
1- Neueon development and elaboration, which occurs between birth and age 10, is prompted by: A -aural prompts from
6 answers
550 views
Health, Safety, and Nutrition
1. Today in class you’re going to talk to your students about Vitamin C and what it does for a
5 answers
577 views
A gas is confined to a container with a massless piston at the top. (Part C figure) A massless wire is attached to the piston.
6 answers
3,617 views
A gas is confined to a container with a massless piston at the top. (Part C figure) A massless wire is attached to the piston.
2 answers
676 views
Hey
What size down pipe would I need, and how many if my roof area equals 1224.78 metres squared and I have average rainfall of
5 answers
369 views
How will the equilibrium: Heat energy + CH4 + 2H2S = CS2 + 4H2 be affected by the following?
a) A decrease in temperature? b) The
3 answers
1,797 views
A lift is pulled up to the top of a building by a constant force of 6400N at a constant speed of 2m/s. It takes 3mins to reach
3 answers
497 views
The mass of an astronaut is 72kg.
(a) what is his weight on earth ( taking g to be 10N/kg) ? (b) if the astronaut is on the
4 answers
2,920 views
A long solenoid ( radius = 1.8 cm) has a current of a 0.33 A in its winding. A long wire carrying a current of 22 A is parallel
2 answers
593 views
A long solenoid ( radius = 1.8 cm) has a current of a 0.33 A in its winding. A long wire carrying a current of 22 A is parallel
2 answers
530 views
A long solenoid ( radius = 1.8 cm) has a current of a 0.33 A in its winding. A long wire carrying a current of 22 A is parallel
1 answer
1,113 views
A long solenoid ( radius = 1.8 cm) has a current of a 0.33 A in its winding. A long wire carrying a current of 22 A is parallel
1 answer
1,130 views
A long solenoid ( radius = 1.8 cm) has a current of a 0.33 A in its winding. A long wire carrying a current of 22 A is parallel
2 answers
570 views
Write a two column proof.
Given: angle STV is congruent to angle TVU, angle STU is congruent to angle UVS. Prove: Angle SVT is
2 answers
735 views
Arrange the members of the following set of cations in order of increasing ionic radii:
Sr2+ Ba2+ Rb+ K+ I understand that Sr2+ =
4 answers
2,292 views
Kinetic energy = 1/2 mv^2 where m is the mass of the particle and v is the velocity of the particle. A joule is the SI unit for
3 answers
539 views
A total revenue function is given by R(x) = 1000(x^2 - 0.1x)^1/2 , where R(x) is the total revenue, in thousands of dollars,
4 answers
2,449 views
the molar mass of NaOH is 40g/mol, how many grams ofNaOH are required to yield 0.65 mol?
4 answers
509 views
what are the principles of standing height and weight in the nutritional assessment?
note: standing height and weight are from
1 answer
407 views
A cork gun contains a spring whose spring constant is 18.0 N/m. The spring is compressed by a distance ∆X = 6.0 cm and used to
3 answers
774 views
A particle P travels with constant speed in a circle of radius 7.3 m and completes one revolution in 34.0 s (see Figure). The
1 answer
420 views
A particle P travels with constant speed in a circle of radius 7.3 m and completes one revolution in 34.0 s (see Figure). The
2 answers
815 views
A cork gun contains a spring whose spring constant is 18.0 N/m. The spring is compressed by a distance ∆X = 6.0 cm and used to
3 answers
2,881 views
A mass M = 40.0 kg is suspended by a massless string from the ceiling of a van which is moving with constant acceleration a, as
4 answers
3,189 views
2-Eric and Frank want to equally share 4/3 feet of rope. what length of rope should each friend get? Explain how to use a
7 answers
1,162 views
Explain how you would convert a measurement given in ounces into pints
3 answers
827 views
What are the magnitudes of (a) the angular velocity, (b) the radial acceleration, and (c) the tangential acceleration of a
4 answers
1,808 views
perimeter = 24 feet
triangle that have one side is b =? second side is b =? third side is b - 3 =? How to solve this problem?
4 answers
584 views
If a, b, and c are three integers in geometric progression, prove that the number a^2+b^2+c^2 is exactly divisible by the number
1 answer
397 views
If a, b, and c are three integers in geometric progression, prove that the number a^2+b^2+c^2 is exactly divisible by the number
3 answers
400 views
1-)A passenger boat which travels 6 mph faster than a freighter required 3 days less time to make a trip of 2592 miles.
Find the
1 answer
460 views
A passenger boat which travels 6 mph faster than a freighter required 3 days less time to make a trip of 2592 miles. Find the
2 answers
586 views
For the first of two basketball games the price of each reserved seat was $1.50,the price of each unreserved seat was 5 cents,
1 answer
433 views
A small manufacturing company has rated
80% of its employees as satisfactory and 20% as unsatisfactory . Personnel records show
3 answers
1,091 views
A confectioner perchased several boxes of candy for $6. He gave five boxes to his children, and sold the rest at 10 cents more
7 answers
555 views
A monument consists of two cubical blocks of granite, the smaller resting on the larger. The total height of the monument is 5
3 answers
2,659 views
There are three pipes in which a cistern can be filled. The second takes 5 hours longer than the first, the third three times as
1 answer
423 views
1/x+1/x+5+1/3x=1/2.25
Solve for x.
3 answers
366 views
The length and width of a rectangle are to each other as 4 is to 3. A second rectangle are 4 units longer and 2 units wider than
2 answers
508 views
A carpenter has a board that is 10 feet long. He wants to make 6 table legs that are all the same length. What is the longest
14 answers
3,713 views
1. In the xy-coordinate plane, point A is the midpoint of the segment with endpoints (2,4) and (-4,-4). What is the distance
3 answers
1,019 views
How did the building of the transcontinental railway benefit the country?
I know that First Nations were kicked off their
4 answers
748 views
14 2 7 3 9=10 insert symbols to make it work
9*2 11 8 4 1=60
3 answers
844 views
A pilot flying low and slow drops a weight; it takes 2.8 s to hit the ground, during which it travels a horizontal distance of
4 answers
6,284 views
The Eatery Restaurant has 200 tables. On a recent evening, there were reservations for 1/10 of the tables. How many tables were
6 answers
1,559 views
The general equation for depreciation is given by y = A(1 – r)t, where y = current value, A = original cost, r = rate of
4 answers
4,967 views
An equation for the depreciation of a car is given by y = A(1 – r)t , where y = current value of the car, A = original cost, r
3 answers
2,485 views
Calvin deposits $400 in a savings account that accrues 5% interest compounded monthly. After c years, Calvin has $658.80.
3 answers
2,882 views
A type of plant is introduced into an ecosystem and quickly begins to take over. A scientist counts the number of plants after m
3 answers
1,107 views
A sport arena covers 710,430 square feet of ground. A newspaper reported that the arena covets about 700,000 square feet of
4 answers
1,560 views
|a|-3/4=-5/8
a. 1/8 or -1/8 b. 7/8 or -7/8 c. 1 3/8 or -1 3/8 d. No solution could someone walk me through perhaps? I missed a
1 answer
391 views
Uh...Yea... Sorry about this, but I"m trying to study and I need someone to walk me through, missed a lot of school. fyi, when
4 answers
825 views
The graph at the right is a positive vs. Time graph for the motion of an object moving along a horizontal (x) axis For each of
6 answers
889 views
The graph at the right is a positive vs. Time graph for the motion of an object moving along a horizontal (x) axis For each of
4 answers
928 views
I'm confused on how to set up the problem for each question..
1.) Calculate the empirical formula of a compound if a 6.21 g
4 answers
809 views
'm confused on how to set up the problem for each question..
1.) Calculate the empirical formula of a compound if a 6.21 g sample
2 answers
656 views
What does it mean to get a 150% salary raise?
40 answers
12,810 views
I have $0.39. There is 1 more penny than nickel, and one more nickel than dimes. The coins are?
2 answers
571 views
-2, -12, -72, -432 find the 8th term
0.2, 1.6, 12.8, 102.4 find the 6th term 24, 12, 6, 3 find the 7th term
2 answers
525 views
What are some of the reasons for income differences?
1 answer
316 views
How much more does someone with a bachlors degree usually earn than someone with a high school deploma?
1 answer
417 views
Calculate the thermal energy required to convert 5kg of ice at 0 Celsius to steam at 100 Celsius
3 answers
1,151 views
write a function that is shifted 2 units up from the function f(x)=|x|+3
Write a function that is shifted 4 units down from the
3 answers
690 views
Ryan bought 2 1/4 pounds of almonds and divided them into bags with 1/8 pound in each bag.
5 answers
849 views
Match/Choose the math sentences that count up and back by tens.
47+40=88 57+30=87 46+10=56 56-10=46 87-40=47 87-30=57 Write the
1 answer
55 views
Oliver has one juice box. Lucy has one fewer juice box than oliver. How many juice boxes does lucy have?
4 answers
1,819 views
In Heather's class room there are red chairs,yellow chairs, and blue chairs. There are 3 red chairs. There are 4 times as many
3 answers
702 views
If 2 gulps = 5 slurps, and 2 slurps = 7 sips, then 35 sips is equal to how many gulps?
3 answers
570 views
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