Questions and answers by

Diana

Questions (751)

Why do scientists use experimental design?
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2. 353 views
o What are the advantages of the four different special journals? When would you use each type?
1. 1 answer
2. 449 views
A student makes a 10.50 purchase at the bookstore with a $20.00 bill. The store has no bills and gives the change in quarters
1. 1 answer
2. 557 views
The preimeter of a retangle is 98. The length is 7m more than twice the width. Fid the dimension?
1. 2 answers
2. 331 views
of a radio show. Each commercial is either 30 seconds or 60 seconds long. If the total comercial time during 1 hour is 13 min,
1. 1 answer
2. 513 views
What role should American's ideals play in it's National security policy history,current, hypothetical cases
1. 1 answer
2. 574 views
1. Consider the following equation.xy + 7x + 5y = –8 (a) Differentiate both sides with respect to x to complete the following.
1. 2 answers
2. 548 views
How can you determine if two lines are perpendicular?
1. 4 answers
2. 457 views
Given Darwin’s Theory of Evolution, what scientific evidence best supports evolution by natural selection?
1. 6 answers
2. 1,106 views
What is the difference between domain and range?
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2. 418 views
Are all linear equations functions? Why or why not?
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2. 500 views
If you replace the equal sign of an equation and put an inequality sign in its place, is there ever a time when the same value
1. 2 answers
2. 482 views
My text explains the answer to this question, however I do not understand the answer. Instead of posting the entire text I was
1. 1 answer
2. 514 views
What is the volume of 45.0g of nitrogen monoxide, NO, at 20 C and a pressure of 740 mm Hg?Please someone can check my work is
1. 5 answers
2. 518 views
How many milliliters of NH3 (at STP) are needed to react with 45.0 mL of NO2 (at STP) according to the equation.Can someone
1. 3 answers
2. 772 views
How many milliliters of NH3 (at STP) are needed to react with 45.0 mL of NO2 (at STP) according to the equation.Can someone
1. 2 answers
2. 546 views
Someone can help me please?A gas sample weighing 0.528 g is collected in a flask having a volume of 126 mL. At 75 degrees
1. 3 answers
2. 670 views
What was the cause of the Panic of 1837? It means the same as too many people buying too much land with too little collateral.
1. 0 answers
2. 495 views
if there is collision between the president and congress,can congress restain the president in foreign policy making?
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2. 1,066 views
sin 190 over 20 equals sin 47 over x.
1. 2 answers
2. 317 views
the width of a rectangle is 1 ft less than the length, the area is 6 ft^2, what is the length and width? thank you
1. 3 answers
2. 1,465 views
x^2-7x+3=01) exact solutions x=? 2) approx to 3 decimal places x=?
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2. 396 views
Could someone help me with this question?5^(2x) - 4^(5^x) = 12 I got up to log (5^x)= log(-4) but it isnt correct since it can't
1. 5 answers
2. 437 views
write a quadratic equation having the given numbers as solutions.-4 and -1 thank you
1. 1 answer
2. 686 views
Solve the equation for x in the interval 0<x<2pi1/ 1+tan^2x = -cos x How would i do this? im thinking of maybe changing the
1. 1 answer
2. 594 views
How would I solve this equation for x in the interval 0<x<2pitan^2x sinx - sinx/3 = 0 Please explain it step by step..ive been
1. 3 answers
2. 530 views
write equivalent expression using radical notation(a^2b^2)^1/3
1. 2 answers
2. 1,310 views
My cousin Robert was pushed into a pool. The pool was 6 feet Wide and 10 feet deep. The pool had soft walls. How did my Cousin
1. 1 answer
2. 626 views
Why do you think it was written in 1863(after two years of fighting in the Civil War)?
1. 1 answer
2. 488 views
collect like terms17a +6b-11a-9b= thanks
1. 1 answer
2. 430 views
translate to an algebraic expression, the product of 11% of some number
1. 5 answers
2. 764 views
find the indicated outputs f(x)=2x^2-3xf(0)=? f(-1)=? f(2)=? help?
1. 1 answer
2. 464 views
I need someone to refresh my brain on collecting like terms..17a + 6b - 11a - 9b= thank you
1. 2 answers
2. 408 views
can you check this questionWhy did Napoleon invade Russia Napoleon invaded Russia because he wanted to complete his mastery of
1. 1 answer
2. 449 views
could you help me with this questionWhy did being a sea power help britain to survive an attack by the French?
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2. 357 views
describe what the graph of interval [-4,10] looks like. thank you
1. 1 answer
2. 415 views
Could you please check theseThanks you!!! Directions: Complétez Part 1 1. Au bord de la mer, on va à la ----------------.
1. 1 answer
2. 818 views
trouble with outputs....Find the indecated outputs for f(x)=3x^2 - 5x f(0)=? f(-1)=? f(2)=? please help
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2. 472 views
The second angle of a triangle is three times as large as the first. The third angle is 20 degrees larger than the sum of the
1. 2 answers
2. 1,118 views
im lost evaluate 30 divided by 5*3-2 all over/2-2divided by 3Math - jim, Tuesday, October 20, 2009 at 5:39pm You 'll have to
1. 3 answers
2. 776 views
(-3)^3-9 then there is a line and under the line is 6/2*3-1 please help a, 0, b2 1/4 cunndefined,d -4 1/2
1. 4 answers
2. 292 views
Which of the numbers 37,39,41,and 43, are prime numbers =37,41,43Write 4/7 as a percent= 57.1%
1. 1 answer
2. 337 views
how to plot the equation and find the y intersect of y + x = -10thank you
1. 1 answer
2. 321 views
The first three elements of a number sequence are 1, 2, 3. ( As you can see, the middle number is one less than the product of
1. 2 answers
2. 1,003 views
stumped on rounding to the nearest tenth. Decimals1758.2 thank you
1. 1 answer
2. 411 views
Solving inequalities with both multiplication and addition4(x-3)-2< 3-5(x+7) Can someone take me through this step by step? I do
1. 1 answer
2. 667 views
solve, using addition 5.4= x-1.3 write an integer or a decimal
1. 3 answers
2. 423 views
find the midpoint of the line segment having the given endpoints. (8, -4) and (-7,8)
1. 1 answer
2. 471 views
find the distance between the two points. 8,0 and 0,6. round to the nearest hundredth. please help
1. 2 answers
2. 1,125 views
decide if the given number is a solution to the given equation.x/4 = 5;20
1. 1 answer
2. 441 views
can someone explain what vertex arrangements are? And how to find them.
1. 2 answers
2. 314 views
what is the z-score for the given raw score, mean and standard deviation, assume a normal probability dist.raw score=66,u=60,
1. 2 answers
2. 1,243 views
Decide which variables described is likely to have a normal or near normal distributiona. the number of courses remaining until
1. 1 answer
2. 748 views
two cards are drawn without replacement from a 52 deck of cards. what ae the odds against drawing a club and a diamond? can you
1. 5 answers
2. 448 views
how many batting lineups of the nine players can be made for a baseball team if the cathcher bats first, the shortstop second
1. 3 answers
2. 1,115 views
how many 4 character license plates are possible with 2 letters of the alphabet followed by 2 digits, it repetitions are
1. 2 answers
2. 412 views
on a tv game show, the contestant is asked to select a door and then is rewrded with the prize behind the door selected. if the
1. 1 answer
2. 511 views
#1) The Lewis structure of PF3 shows that central phosphorus atom has ___ nonbonding and ___ bonding electron pairs.#2) How many
1. 6 answers
2. 6,717 views
100 words per questionin the future, how will thinking critically influence the ways that you read? Write?, Process Information?
1. 1 answer
2. 514 views
I need help with this problem (7,7);4x+5y=9
1. 1 answer
2. 353 views
Re: HomeworkText: College Accounting, 19th Edition Page 227-229 Can you provide me with the trail blances for May: Comprehensive
1. 2 answers
2. 534 views
Re: HomeworkCan you provide me with the trail blance for May: Comprehensive Problem 2 - The General's Favoriate Fishng Hole. I
1. 0 answers
2. 534 views
Which of the following solutions of strong electrolytes contains the largest # of moles of chloride ions: 100.0 mL of 0.30 M
1. 4 answers
2. 1,585 views
12/5 - 1
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2. 257 views
Other than Microsoft, is there a website where I can learn about formating business letters, memos, etc.?
1. 1 answer
2. 481 views
I am working on a paper about ethics in professional healthcare/medicine.It is difficult for me to word it properly, but here
1. 2 answers
2. 1,054 views
The average (arithmetic mean) of 4 numbers is greater than 7 and less than 11. What is one possible number that could be the sum
1. 3 answers
2. 3,807 views
what is another name for herpetologist?is it zoologists? thanks.
1. 1 answer
2. 355 views
Where can one go to download free and legal music without a catch? Is there truly such a site?
1. 2 answers
2. 525 views
How do you solve this problem 1 1/5 minus 3/8?
1. 1 answer
2. 295 views
Any ideas where I can read online articles about marine species and the different types of habitats along coastal beaches?
1. 1 answer
2. 466 views
What do algae, kelp, and seaweeds have in common? How are they different?
1. 1 answer
2. 436 views
I don't know what to make for a physics experiment?
1. 1 answer
2. 433 views
If I boil water at home, when and how do I know I've boiled the water long enough to make distilled water?
1. 1 answer
2. 566 views
What is the difference between drinking water and distilled water?Can we make our own distilled water?
1. 1 answer
2. 591 views
Where can I download a bowling score sheet?
1. 1 answer
2. 387 views
how do I compute sales tax? $1,367.85. sales tax rate is 5.75%.also, how do I add in city tax?
1. 2 answers
2. 634 views
Where can I download free score-keeping sheets for bowling?
1. 1 answer
2. 977 views
I go to the Middletown High School and I lost the combination to my locker which has my Global Histoory textbook in it. I was
1. 1 answer
2. 460 views
A garden area is 30 ft long and 20 ft wide. A path of uniform widthis set around the edge. If the remaining garden area is 400
1. 1 answer
2. 693 views
How did Mendel novel approach contribute to his success in describing how traits are inheritedThank you for using the Jiskha
1. 0 answers
2. 533 views
17 simplify3/(x-5) + 1/ 1 - 4/(x-5) The non-use of grouping symbols makes this sentence without meaning. The non-use of grouping
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2. 578 views
20 Divide:x^2 -49y^2/6x^2+42y divided by (x^2-7xy) = factor the first term. Multiply the first term by the inverse of the
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2. 615 views
22. solvex/($a) - x/($b) = c what is this? The world wonders. believe it or not this was actually a problem that I have been
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2. 370 views
subtract. express in simplest form13x/30 - 4x/ 15 = factor the first denominator. Get a common denominator. Combine terms. I
1. 1 answer
2. 1,429 views
add:Express in simplest form4x/(x^2 -18x +72) + 4/(x-6) factor the first denominator. Get a common denominator. Combine terms. I
1. 0 answers
2. 1,207 views
subtract: express your answer in simplest form.5x-3/6 - (x+3)/6 answer choices a) 4x-1 b) 2x-3/3 c) 2x/3 -1 d) 2x/3 show me hou
1. 1 answer
2. 761 views
divide:x^2 + 2x -15/4x^2 divided by x^2-25/2x-10 answer choices a) x-3/2x^2 b) x + 3/2x^2 c) 2x^2/x + 3 d) 2x^2/x - 3 any your
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2. 464 views
Subtract: express your answer in simplest form.2/5 - y/y-2 answers a)-3y-2/y-2 b) -3y -2/5(4-2) c) -3y-4/5(y-2) d) -3y-4/y-2 The
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2. 630 views
Simplify: 3/4/4/5answer choices are: a) 3/5 b) 5/3 C) 15/16 d)16/15 How do I go about solving this fraction, please show me how
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2. 538 views
During rush hour, Fernando can drive 20 miles using the side roads in the same time that it takes to travel 15 miles on the
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2. 581 views
What values for x must be exclued in the following fraction? x + 5/ -1a) 5 b)none c) 0 d)-5 and how do I find the answer? if
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2. 499 views
x/6- x/8=1Find a common denominator for the two x-terms on the left. Then do the subraction to get x/? = 1 You do the rest.
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2. 369 views
x/(x-2)- (x+1)/x= 8/(x^2-2x)notice that x^2 - 2x factors to x(x-2), which are found as the denominators of the first two
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2. 406 views
5/(x+6)+ 2/(x^2+7x+6)= 3/(x+1)Rewrite x^2 +7x +1 as (x+6)(x+1) Multiply both sides of the equation by that expression. You get
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2. 492 views
2/(5 )=(x-2)/20
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2. 277 views
Kevin earned $165 interest for 1 year on an investment of $1500. At the same rate, what amount of interest would be earned by an
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2. 558 views
A plane flies 720 mi against a steady 30 mi/h headwind and then returns to the same point with the wind. If the entire trip
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2. 540 views
Ariana took 2 h longer to drive 360 mi on the first day of a trip than she took to drive 270 mi on the second day. If her speed
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2. 408 views
A passenger train can travel 325 mi in the same time a freight train takes to travel 200 mi. If the speed of the passenger train
1. 0 answers
2. 550 views