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Martha

Questions (144)

20 of useful work is performed by a machine when 80 of energy is applied calculate the efficiency of the machine
1. 1 answer
2. 35 views
4x−8y=24 to slope-intercept form
1. 5 answers
2. 87 views
Write a letter to your friend to your friend telling him or her about three things you like about your school
1. 2 answers
2. 172 views
What type of a structure would house the circuit most effectively ? Explain the structure
1. 1 answer
2. 165 views
6x^3+5+X^-1/3
1. 2 answers
2. 174 views
How many moles of h2o are required to produce 4.5 moles of hno3 according to the following 3no2+h2o 2hno3+no
1. 1 answer
2. 441 views
How many miles of h2o are required to produce 4.5 miles of hno3 according the following 3no2+h2o 2hno3+no
1. 2 answers
2. 242 views
Would a stethoscope be considered an independent variable?
1. 1 answer
2. 250 views
Were the actions of Andrew Jackson considered normal during his time?
1. 1 answer
2. 289 views
A store has apples on sale for $3.00 for 2 pounds. If an apple is approximately 5 ounces, how many apples can you buy for
1. 1 answer
2. 810 views
can someone help me real quick?What value is equivalent to 13 − 2(1 − 15) ÷ 4?
1. 2 answers
2. 1,030 views
Write equation to show x=number of hours reservoir is draining at rate of 25 gallons per hour, y=the number of gallons in
1. 1 answer
2. 429 views
An air ambulance is travelling from Barrie to Toronto. Toronto is located 90 km [S5°E] of Barrie. If the wind is blowing from
1. 1 answer
2. 1,025 views
Help!! I have a unit test. I have my answers other than the essays! Could you check them?1.B 2.B 3.C 4.D 5.D 6.D 7.D 8.A 9.A
1. 1 answer
2. 93 views
Use the passage to answer the question.“This great nation will endure as it has endured, will revive and will prosper. So,
1. 8 answers
2. 3,367 views
Which of the following was true of people moving to suburbs and purchasing automobiles?A. Women were allowed to drive and
1. 3 answers
2. 1,571 views
1. Find the area of a parallelogram with base b and height h. b = 87 cm h = 18.6 cm (1 point)My answer: 211.2 cm (2)
1. 3 answers
2. 1,579 views
An anti aircraft gun fires at an elevation of 60degree at an enemy aircraft at 10000m above the ground.at what speed must the
1. 3 answers
2. 731 views
If 3,A,B,192 are consecutive terms of a gp . find the values of A and B
1. 6 answers
2. 2,681 views
Convert this binary into English.01001000 01100101 01111001 00101100 00100000 01100111 01101111 00100000 01100110 01110101
1. 2 answers
2. 582 views
A group of office workers had some prize money to distribute among themselves. When all but one took $9 each, the last person
1. 2 answers
2. 1,615 views
How many real-number solutions does the equation have?-7x^2+6x+3=0 a) 1 b) 2*** c) none d) infintely
1. 1 answer
2. 807 views
Based on the excerpt, which statement best illustrates the impact of Lincoln’s proclamation on government?A >It increased the
1. 5 answers
2. 3,274 views
Why does CdS dissolve in HCL, when CuS and Bi2S3 will not?
1. 2 answers
2. 1,303 views
On Saturday, Paula sold all her mangoes, oranges and grapefruits at the market. 60% of the fruits were mangoes, 25% of the
1. 2 answers
2. 701 views
Use the Henderson Hasselbalch equations to solve for the Ka of the acid.Solution [HX]=0.200M and [NaX]=0.200M. They both have a
1. 0 answers
2. 589 views
Find all solutions in the interval [0,2pi)4sin(x)cos(x)=1 2(2sinxcosx)=1 2sin2x=1 2x=1/2 x= pi/6, and 5pi/6 Then since its 2x i
1. 1 answer
2. 1,083 views
I need help solving for all solutions for this problem:cos 2x+ sin x= 0 I substituted cos 2x for cos^2x-sin^2x So it became
1. 1 answer
2. 641 views
There are 2 red cars and 3 blue cars. The 5 cars contain a total of 12 people. No car has more than 4 people. Every car has at
1. 3 answers
2. 2,364 views
I only need help writing the equation, not solving it. This is sothe problem.Manuel's budget allows no more than $50 per week
1. 4 answers
2. 996 views
74. Sodium hydrogen carbonate is also known as baking soda. When this compound is heated, it decomposes to sodium carbonate,
1. 2 answers
2. 2,593 views
Consider a mixture of two gases,A and B, confined in accosted vessel. A quantity of a third gas C, is added to the same vas
1. 1 answer
2. 1,333 views
Please how I solve this equation giving the domain of -3 I know that i have to replace the -3 where the x is but I do not know
1. 3 answers
2. 439 views
In a race, a triathlete runs 1/3 of total distance, cycles 2/5 of the total diatance and swims the ramaining distance. he swim
1. 4 answers
2. 1,210 views
a snail travels about 0.13 cm in one minutes.how far would it travel in 7 minutes if it keeps up the same speed?About how long
1. 2 answers
2. 894 views
On a centimeter dot grid, draw all the possible rectangles with a perimeter of 14 cm and sides whose lengths are whole
1. 2 answers
2. 1,280 views
How many decimal digits in 2.00?2 or 0?
1. 1 answer
2. 435 views
There are 39 counters in a box. How would you divide the counters to represent the ratio 5:8 ?Thank you.
1. 2 answers
2. 365 views
The numbers are 47, 55, 46, 64, 69, and 52.....What is the mode?...I can't figure this out because I thought the mode was the
1. 2 answers
2. 347 views
A circular path two feet wide has an inner diameter of 150 feet. How much farther is it around the outer edge of the path than
1. 2 answers
2. 519 views
A Ferris wheel makes 12 revolutions per ride. How far would someone travel during one ride if the diameter is 63 feet?...thanks!
1. 4 answers
2. 1,965 views
9 people are coming to Sam's party. If each person eats 1/5 of the cake, how many slices does each person get?
1. 1 answer
2. 518 views
Can someone please help me ? I think I'm supposed to put all the like terms together, but I can't remember how to do this. I
1. 5 answers
2. 625 views
Let u=f(r) and r=|x|=(x1^2 +···|xn^2)^1/2.Show that􏰀 ∑ 1 to n (∂u/∂xj)^2 = (f′(r))^2
1. 0 answers
2. 458 views
Life oriatation, description of recent service delivery protest
1. 1 answer
2. 697 views
Life oriatation
1. 1 answer
2. 487 views
Evaluation of current protests
1. 2 answers
2. 699 views
Research on process of campaigns and protests
1. 1 answer
2. 805 views
Assume the shoe is sold at 50% profit margin (profit as % of sales). If the cost of raw material were to increase by 50%, what
1. 1 answer
2. 598 views
How might the history of the US be different if the first European settlements had occurred on the west coast instead of the
1. 1 answer
2. 549 views
I have to find the correct article that goes in the sentence.1.)Usually ___ strange bird is a timid animal. Article- the.
1. 3 answers
2. 560 views
Jane is organizing her 24 dolls into equal sized piles. What is the possible number of dolls that could be in each pile?
1. 1 answer
2. 505 views
I know this is long but can someone just explain it to me? Please? Don't have to give the answer, I'm just confused :(1. An
1. 2 answers
2. 1,503 views
A triangular piece of land has a base of 12 yards and a height of 16 yards.what is the area of the piece of land?
1. 1 answer
2. 590 views
52.(52G) A 110-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 350 N. For the first
1. 3 answers
2. 3,385 views
What numbers value is 100, 000 less than 1, 547, 298?
1. 3 answers
2. 740 views
A clinical trial test a method designed to increase probability of conceiving a girl.In study 375 were born and 300 were girls
1. 1 answer
2. 779 views
Find the standard form of the equation of a line passing through (2, 3) and parallel to 3x + 5y = 2
1. 1 answer
2. 473 views
If x varies directly as y, and if x = 6 when y = 15, find y when x = 30
1. 1 answer
2. 787 views
If x varies inversely as y, and if x = 24 when y = 6, find x when y = 15.
1. 1 answer
2. 478 views
The 80 students in the 5th grade at north side elementary school voted for their favorite animal after a trip to the zoo.the
1. 2 answers
2. 608 views
It takes Kelly 3/4 hour to bake a small loaf of bread.how many loaves of bread can she bake in 3 3/4 hours if she bakes one loaf
1. 2 answers
2. 758 views
Tickets for the school play were $6.00 and 1/5 of each ticket paid for the cost of printing the programs.how much of each ticket
1. 2 answers
2. 737 views
The area of a rug was 45 square ft.the rug was separated equally into four colors.how many square feet were there in each color?
1. 1 answer
2. 647 views
Explain how chemiosmosis functions in the cell. Discuss the energy transfers and explain the role of ATP in this process.
1. 0 answers
2. 770 views
In geometry, a common standard setting for enlarging on a copy machine is 121 percent. What does this mean?
1. 1 answer
2. 1,947 views
How many diagonals does a prism have whose base is a regular polygon with 3 sides?
1. 1 answer
2. 591 views
To avoid speaking in monotone, a strategy to use can include:A. changing pitch and tone of voice. B. voice inflection. C.
1. 6 answers
2. 916 views
HOW THE YOU WORK THIS PROBLEM?WHAT PRECENT OF 3.5 IS 7.2
1. 2 answers
2. 446 views
In two or three paraghaphs,discuss how industrial growth in Texas has affected its natural resources
1. 1 answer
2. 420 views
What is the magnitude of the electric field 0.3 m from a 10-4 C point charge?
1. 0 answers
2. 919 views
perform the indicated operation and expres your answer in simplest radical form ^3 sqrt 8 / ^4sqrt 8
1. 2 answers
2. 852 views
Wiley jumps straight up in the air from the edge of a cliff so that when he comes down he falls off the cliff. The cliff is 40
1. 1 answer
2. 715 views
let f(x) = 2x^5-5x^4find open intervals on which f is a) increasing b)decreasing Find values of x at which f has c) relative max
1. 1 answer
2. 643 views
How many calories it take to elevate the temperature of 10 gr of water-from 26C to 50C?
1. 1 answer
2. 924 views
Ms. Kenny grew 3/5 as many zinnias as Mr. Hadam. If Ms. Kenny has 12 zinnias, how many zinnias do they have in all.I calculated
1. 2 answers
2. 353 views
solve x^6 - 64 = 0
1. 5 answers
2. 769 views
solve the equation for r: S= (rL-a)/(r-x)
1. 1 answer
2. 380 views
Assuming that the Earth is spherical and recalling that latitudes range from 0° at the Equator to 90° N at the North Pole, how
1. 1 answer
2. 1,242 views
You have an unknown concentration of ammonia. When you add 15.0mL of a 0.400 M HCl solution to 50.0mL of the ammonia solution,
1. 2 answers
2. 869 views
treatment of a 0.3203g sample of impure soduim chloride with an excess of AgNo3 resulted in the formation of 0.7331g of AgCl.how
1. 1 answer
2. 700 views
treatment of a 0.3203g sample of impure soduim chloride with an excess of AgNo3 resulted in the formation of 0.7331g of AgCl.how
1. 1 answer
2. 635 views
treatment of a 0.3203g sample of impure soduim chloride with an excess of AgNo3 resulted in the formation of 0.7331g of AgCl.how
1. 1 answer
2. 659 views
Which Boolean operator limits your search so that each term input must be in the same document
1. 1 answer
2. 595 views
At the school store, colored pencils are reduced from $2.40 a box to $2.00 a box. What is the percent of decrease?
1. 2 answers
2. 796 views
An airplane flies due north at 220 km/h with respect to the air. There is a wind blowing at 65 km/h to the northeast with
1. 1 answer
2. 657 views
How much energy (in kcal) is needed to convert 53.2 g of water at 55.0 C to steam at 100.0 C
1. 1 answer
2. 500 views
Two teams are having a rope pulling contest. Team A is pulling with a force of 2400 N at 135 and team B is 1550 N at 315. What
1. 1 answer
2. 456 views
Hello, I have been trying a few ways to do this problem and am not having success.The sum of four consecutive odd integers is
1. 2 answers
2. 535 views
A car moves at a constant speed of 24m/s. How long (in minutes) will it take to travel 15.0 km?
1. 1 answer
2. 514 views
a ball is released from rest and rolls down a slope. It covers 7.5m in 12.4s. Find the average speed of the ball in m/s and
1. 1 answer
2. 486 views
A distance runner moves at a constant pace of 4.1m/s. how far (in m) does he move in 30 minutes?
1. 1 answer
2. 457 views
Part of 26000 invested at 4% interest and the rest at 2% interest yields 680.00
1. 1 answer
2. 980 views
Hello, I can't figure out the significance of the quote in Tale of Two Cities: "Drive him fast to his tomb". I know it signifies
1. 4 answers
2. 741 views
A certain coiled wire with uneven windings has the property that to stretch it an amount s from its relaxed length requires a
1. 0 answers
2. 1,213 views
How do I prepare a consolidated elimination worksheet when the parent purchases all of subsidiary's bonds on open market?
1. 0 answers
2. 902 views
Solve for X.X^3=27 x = 3 because 3 * 3 = 9 and 9 * 3 = 27. Correct? -------------------------------------- [x]= 16 X = 4^3
1. 1 answer
2. 400 views
Compute.3/2 - 4 1/3 The answer I got was 4 2/1.
1. 1 answer
2. 822 views
You have 48 yellow blocks and 40 green blocks. What is the greatest number of identical towers that you can build using all 88
1. 3 answers
2. 750 views
Six cards numbered 1 through 6 are placed in a hat. One card is taken from the hat. The unit's digit of the sum of the numbers
1. 1 answer
2. 1,007 views

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