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Ruby

Questions and answers by visitors named Ruby

Questions (103)

2.0kg block of iron transfers 180,000j to the atmosphere around it. If its initial temperature was 350 celius what is it's final
1. 1 answer
2. 406 views
How much sodium hydroxide, at what concentration, do I need to add to 500 mL of 0.1 N HCL to obtain pH 6.8. How do you calculate
1. 1 answer
2. 772 views
mols of HCl= 0.1N X 0.5L=0.05 mols of HClTherefore, number of mols of 2N NaOH needed to obtain pH 6.8: 0.05 mols HCL/2 = 25 mL
1. 1 answer
2. 379 views
What is the value of y if x = -3?y = 1 = 2(x-5) Plug in -3 for x, in the equation for y, and see what you get. I think you
1. 1 answer
2. 404 views
Solve problem by showing necessary steps to resolve.0.06q + 14 = 0.3q - 5.2 Subract 0.06 q from both sides. 14 = 0.24q - 5.2 Add
1. 2 answers
2. 539 views
Find the value of y in each formula if x= -3.y + 1 = 2(x - 5) Substitute -3 for x. The first step leaves you with this: y + 1 =
1. 1 answer
2. 319 views
what is a country's excess quantity of demand to a nation's?exports or imports
1. 1 answer
2. 343 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 increase
1. 3 answers
2. 2,388 views
A family spends 20% of its monthly income on food, 23% on rent, and 42% on other expenses and saves the balance. If the family
1. 2 answers
2. 664 views
We are writing a paper on "Race in your Community" and I have had a hard time getting going because I live in a small town with
1. 4 answers
2. 782 views
the question is this:suppose you want to design an air-bag system that can protect the driver in an head-on collision at a speed
1. 4 answers
2. 1,440 views
Physics Homework_____________________________________________________________ 1.) A particle at t 1 = -2.0 s is at x 1 = 3.4 cm
1. 4 answers
2. 745 views
A box is resting on a tablefrictionless). Determine the weight of the box and the normal force acting on it. (a) If the box was
1. 2 answers
2. 1,144 views
i have been workin on this problem for hours and desperatly need help.Im suppose to solve the following three problems in the
1. 3 answers
2. 649 views
A ball of radius 10 has a round hole of radius 8 drilled through its center. Find the volume of the resulting solid.
1. 3 answers
2. 2,277 views
Hi there,I am doing a presentation on Martin Luther King's March on Washington August 28th, 1963 and was wondering if you direct
1. 1 answer
2. 480 views
You are given a wooden block that is 25cm long, 8cm wide and 3cm tall. Also, the block of wood has a mass of 350 grams. What is
1. 3 answers
2. 532 views
The maximum speed that a car can travel around a flat curved road is 18m/s. What would be the maximum speed for that car around
1. 2 answers
2. 749 views
When should the computerized medical database be online to the computer terminal?
1. 1 answer
2. 365 views
can you check for me?Thanks Assigment: write a business letter according to the background. Background:Assume that you’ve
1. 7 answers
2. 1,339 views
can someone double check for me?This is the second part to the business letter I posted a few days ago. Process: Draft an
1. 2 answers
2. 554 views
What mass iron(III) oxide could be produced from 8.2 mol of oxygen gas in the synthesis of iron(III)?(Balanced equation)
1. 2 answers
2. 740 views
Superphosphate, a water soluble fertilizer, is sometimes marked as a "triple phosphate". It is a mixture of Ca(H2PO4)2 + 2CaSO4.
1. 3 answers
2. 694 views
how can you condense thesecos^3x* cos2x^2 cos^3x- cos2x^2 Thanks a lot :)
1. 1 answer
2. 355 views
Given Tangent theta = -5 on 4 and cos theta >0, find sine theta and sec theta
1. 3 answers
2. 804 views
on the same set of axes: (0 degrees is greater than or equal to x and x is less than or equal to 360 degrees)(a) sketch the
1. 2 answers
2. 569 views
briefly: what is vietnamisation?
1. 3 answers
2. 329 views
Simplify:2sec^2A-2/4tan A...Please help,anyone who can answer
1. 3 answers
2. 473 views
please help me answer this question:A pilot sets to fly from B to A and wishes to set a course to offset a 32 km/h easterly
1. 2 answers
2. 731 views
Please help me answer this question;1.A metal gutter open at the tops and ends, is bent up from material 30 cm wide to form a
1. 3 answers
2. 651 views
1.The largest of the salivary glands is theA. Submandibular B. Sublingual C. Minor D. Parotid 2.The portion of the tooth that is
1. 3 answers
2. 950 views
A car moving with a constant acceleration covers the distance between two points 80 m apart in 8.0 s. Its velocity as it passes
1. 1 answer
2. 407 views
Which is the correct symbol to make the resulting inequality true?4 4/3 > 4 1/2 Or 4 4/3 < 4 1/2 What does this mean?
1. 4 answers
2. 442 views
Write in expanded form.7.37 Is this the correct answer? 7+3/10+7/100
1. 3 answers
2. 534 views
Round to the nearest hundred.483.9 Is 500 the correct answer?
1. 3 answers
2. 403 views
Find the median of the numbers3, 6, 10, 12, 27, 62 How do I answer this?
1. 4 answers
2. 364 views
The company Acceptance had employees with monthly salaries of $1,700, $1400, $7,000, $1550, and $2,500. Find the median of these
1. 6 answers
2. 514 views
Mrs Li bought some oranges. She gave 1/2 of them to her sister, 1/4 of the remainder to her neighbour, 3/5 of those left to her
1. 4 answers
2. 2,349 views
A man walked for some distance at 8 km/h, and for an equal distance at 5 km/h. The total time he took was 13/4 hours. Find the
1. 3 answers
2. 890 views
Add.(-6) + 11 Is 5 the answer?
1. 1 answer
2. 377 views
Subtract.-3 -16 Is -19 the answer?
1. 1 answer
2. 290 views
4•(-5)Is 20 the correct answer?
1. 1 answer
2. 292 views
Divide-60/10 Is -6 the answer?
1. 1 answer
2. 280 views
Please check my work.1) 64 divide -4 = -16 2) -144 divide (-9) = 16 3) Simplify -9 and a small 2 = -81 4) Simplify (-3) and a
1. 3 answers
2. 1,015 views
How do I write the numbers in order from greatest to least and show my work 0.275, 2 5/8, 0.15, 3 6/7
1. 1 answer
2. 335 views
Amandeep decides to grow a vegetable garden. She wants to make it 10.1m long and 4.2m wide. She is worried about rabbits eating
1. 4 answers
2. 862 views
suppose you use the rule (3x+1,3y-4) to transform the original figure into a new figure. How would the side lengths of the new
1. 2 answers
2. 1,090 views
Simplify the expression cos^2 x (sec^2 x-1)
1. 2 answers
2. 520 views
h2c4h4o4 + 2naoh --> 2h2o + na2c4h4o4as for the previous question im sorry i forgot to plug the maleic acid in the formula
1. 3 answers
2. 798 views
300-word summary of your business research process by describing the business research proposal from your experience in the
1. 1 answer
2. 361 views
Approximate the square root of 64.3, y=x^(1/2). Starting point is the square root of 64.
1. 3 answers
2. 490 views
Why do humans use running shoes, winter boots, snowshoes, skis and flippers? Why are these not biological adaptations? Use
1. 5 answers
2. 1,170 views
2. Read the following paragraph from “A Tremendous Trade”:It might not seem fair, but in every profession, workers earn
1. 4 answers
2. 1,011 views
pHpH ( strip c : 8 ) dark green pH ( strip d : 3 ) purple - suppose u mix togather equal amounts of the solutions that produced
1. 2 answers
2. 977 views
Suppose u place a beaker containing a solution in the refrigerator. An hour later, white solid found at thr bottom of beaker,
1. 2 answers
2. 591 views
A submarine is at a depth of 15.0 m under the ocean surface. The inside of the submarine is kept at atmospheric pressure. What
1. 3 answers
2. 1,483 views
If Logan's family can drive 23.125 miles on 1 gallon of gas, how far can they drive on 17 gallons?
1. 4 answers
2. 700 views
Given ________, – 243, – 226, – 209, – 192, – 175, …a. What is the 67th term of the sequence b. What is the series
1. 3 answers
2. 498 views
True or False1. – 5, – 5, – 5, – 5, – 5, … is an arithmetic sequence. 2. In an arithmetic sequence, it is possible
1. 4 answers
2. 2,041 views
1. Why cant you use the formula of the infinite geometric series on 1/81 + 1/27 + 1/9 + 1/3 + .....2. Using concepts of infinite
1. 3 answers
2. 845 views
1. Solve for the 101st term of the sequence whose 1st term is x-y and d=2x+y-3.2. In the sequence 2, 6, 10, … , what term has
1. 3 answers
2. 501 views
What is 1/8 - 3/5?1/8 - 3/5 = 5/40 - 24/40 = 19/40
1. 1 answer
2. 316 views
It's direct indirect objacts stuff can someone help me
1. 1 answer
2. 427 views
8b + 23 = -4.2
1. 3 answers
2. 275 views
Center at (2,-5), conjugate axis parallel to the y-axis, slopes at asymptotes numerically one-sixteenth times the length of the
1. 2 answers
2. 747 views
Remove the xy-term by rotation of axes, reduce the resulting equation to standard form and trace the curve on the new axes:16x^2
1. 1 answer
2. 469 views
What is the square root of 23 subtracted from square root of 37 divided by square root of 23 added to square root of 37??
1. 1 answer
2. 354 views
1. White 17/4 as a mixed number.Hi, could someone please explain how to do this? Correct me if I’m wrong but do I try to
1. 4 answers
2. 717 views
For f(x) = 0.01(2)^x, find the average rate of change from x = 2 to x = 10.A.1.275 B.8 C.10.2 D.10.24
1. 4 answers
2. 3,057 views
Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah a total
1. 2 answers
2. 632 views
I have a few questions that I'm stuck on.1. Identify how the pronoun is used in the sentence. Just today Terry bought a picture
1. 6 answers
2. 10,235 views
By what percent will a fraction increase if its numerator is decreased by 10% and its denominator is decreased by 50%?
1. 2 answers
2. 858 views
Assuming the earth to be a sphere of radius 6370 km.If seventy five percent of the earth's surface is covered by water, then
1. 4 answers
2. 971 views
1.The management committee of Zenith has indicated its desire to accept only 40% of all continuing undergraduate based on the
1. 1 answer
2. 387 views
A survey of mobile call interconnectivity indicates that the average time it takes to connect calls from one network to the
1. 1 answer
2. 465 views
The management committee of Oxford school has indicated its desire to accept only 40% of all continuing undergraduate based on
1. 1 answer
2. 388 views
1. MULTI-STEP PROBLEM There are 5743 knownamphibian species in the world. Of these, 1856 species are judged to be at risk of
1. 3 answers
2. 610 views
The potential energy of a projectile at its maximum height is equal to its kinetic energy there . If the velocity of projection
1. 3 answers
2. 510 views
How do I correctly punctuate this sentence?Carol couldn't start the car after leaving the football game fortunately however
1. 3 answers
2. 450 views
Hi! I really need to do well on this quiz, can someone check my answers?1. What can you infer from this sentence near the stat
1. 10 answers
2. 1,223 views
Please answer as soon as you can I need help figuring this out :)Which number is greater than 5.5 x 10^-7 and less than 5.5 x
1. 3 answers
2. 389 views
Please help me I don't understand what to do for this, as I haven't learned what to do if I need to find the average of
1. 2 answers
2. 483 views
What makes the statement true? 7^-2=?A- 49 B- 1/49*** C- 14 D- 1/14 Am I correct?
1. 9 answers
2. 6,314 views
5 1/4 + 2 9/16
1. 2 answers
2. 217 views
A private plane traveled from Seattle to a rugged wilderness, at an average speed of 220 mph. On the return trip, the
1. 2 answers
2. 544 views
On the first part of a trip to Carmel traveling on the freeway, Marge averaged 70 mph. On the rest of the trip, which was
1. 5 answers
2. 6,633 views
A private plane traveled from Seattle to a rugged wilderness, at an average speed of 220 mph. On the return trip, the
1. 2 answers
2. 490 views
Biologists tagged 180 fish in a lake on January 1. On February 1, they returned and collected a random sample of 45 fish,
1. 2 answers
2. 724 views
The mass of a 10p coin is 6.5g.What is the mass in kilograms of £20 in 10ps?
1. 3 answers
2. 883 views
Laura is moving up to the attic and wants to paint a wall white. The wall is a triangle with a base of 7.5 feet and a height of
1. 3 answers
2. 612 views
I have no clue how to solve these, could someone help me?For questions 6-8, multiple the following polynomials. 7. 4a(a^2+7a+4)
1. 6 answers
2. 557 views
A metal plate infused with excess electrons will attract a proton placed nearby?
1. 2 answers
2. 531 views
2. ¿Conocen a mi amiga Maria?A. Sí, conocen a tu amiga Maria. B. Sí, conocemos tu a amgia Maria. C. Sí, saben a tu amiga
1. 10 answers
2. 7,480 views
I understand the role of enzymes in chemical reactions but metabolism is the sum of all the reactions in a cell or in the body.
1. 5 answers
2. 831 views
Which of the following features of the online textbook will allow you to receive extra instruction on a topic?
1. 1 answer
2. 793 views
Which resource provides instruction and practice related to the content in the online textbook?
1. 3 answers
2. 469 views
Unit 1: ready, set, succeed- lesson 23. C or D ?? 4. A ? Please help
1. 3 answers
2. 596 views
Find the smallest value of x for which the following curve has vertical tangent lines: y= x^2 + xy^2 - x/ x^2
1. 3 answers
2. 416 views
A dried pea is fired from a plastic drinking straw that has a mass of .50g. If the force exerted on the pea averages 0.4 N over
1. 1 answer
2. 317 views
A heat lamp produces 20.0 watts of power at a wavelength of 6.7 μm .
1. 3 answers
2. 101 views

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