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22 articles trouvés pour ce sujet.

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	Filling holes with stone dust		2020-07-30
		Zach pose la question : I’m looking for amount of stone dust needed for thirteen holes with a 3ft depth and 12in diameter with a 4x4 post. I would need the measurement in KG. Harley Weston lui répond.
	Signs at 1/3 mile intervals		2020-05-03
		Heather pose la question : The butterfly garden in St. Thomas gardens is a three mile loop at every 1/3 there is a sign along the loop to mark each 3rd of a mile along the loop if Melanie is standing next to the 7th sign at what mile is she? Penny Nom lui répond.
	Forty foot and 9 spacers		2019-06-28
		Christopher pose la question : Ok I've got forty foot and 9 spacers one each end and 7 between what is the distance between the seven in the middle Penny Nom lui répond.
	Pre tax and post tax percentages		2018-05-22
		Tom pose la question : Hi, I work in a clothes shop which can also do mail-orders. My Head Office has sent a report with which we can check the records we keep in store tally with those at HO. According to that report we have taken £2578.25 in orders, excluding VAT (20%), which would therefore be £3093.91 including VAT (2578.25+20%=3093.91). According to my records, we have taken £3179.32 including VAT, which would be £2543.45 excluding VAT (3179.32-20%=2543.45). Why is it that the difference between the VAT inclusive figures (3179.32-3093.91) is +£85.41, but the difference between the VAT exclusive figures (2543.45-2578.26) is -£34.81? Now, I can see from the report that 1 order has not been recorded by HO, and I know that our average order value is around £30, so the -£34.81 makes sense. But surely both figures should be a minus, regardless of whether they include VAT? I'm sure there is an obvious answer, but I just cannot see it! Any help would be gratefully received. Thanks, Tom Penny Nom lui répond.
	Which term of this sequence has value 8?		2016-07-20
		Lauren pose la question : Hi there Which term in the sequence -2; -5/3; -4/3 ; -1; ... has a value of 8. Since term 2 and 3 of this sequence contain fractions which can be converted to recurring decimals. What is the best way to work out the common difference here. I do however understand that to work out the nth term of an arithmetic series, the following formula Tn = a + (n-1)d. In this series a = -2 Penny Nom lui répond.
	The sum of the angles of a triangle		2016-02-24
		Sophia pose la question : Does every triangle add up to 180 degrees? (Such as a unique triangle) Penny Nom lui répond.
	Which term of the series 2+7+12+...is 152?		2016-02-01
		francis pose la question : whice term of the series 2+7+12+...is 152? Penny Nom lui répond.
	A 330 foot long fence		2015-02-15
		Marsha pose la question : I am putting up a fence 330 feet long and want to put the t post every 4 feet how many t post do i need? Penny Nom lui répond.
	A fence post problem		2015-02-08
		Nicole pose la question : In Susan's rectangular garden plot, she put 12 posts on the long sides and 8 posts on the short sides. How many posts did she use altogether? (The answer is not 40.) Penny Nom lui répond.
	Reducing the size of a poster by a scale factor of 1/3		2014-04-01
		deeshon pose la question : eric is making a smaller copy of a poster that measures 20.4 cm wide by 34.2 cm long.he reduces the original by a scale factor of 1/3.what are the dimensions of the copy Penny Nom lui répond.
	Euclid's Parallel Postulate		2013-08-20
		Justin pose la question : Hello there, I was wondering is Euclid's Fifth Parallel Postulate of parallel lines never intersecting, undecidable or essentially undecidable? Thank you so much for any help you can provide! Robert Dawson lui répond.
	Fence post holes		2012-07-19
		Gerry pose la question : Hello, I'm digging 30 8" dia holes, 5 ft deep for fence posts that are 4"x 4" Can you please help me figure out how much stone dust I should order for all 30 holes. Thanks Penny Nom lui répond.
	A clock takes 3 seconds to strick the hour of 3 o'clock		2012-03-09
		saptarshi pose la question : [ A clock takes 3 seconds to strick the hour of 3 o'clock. How many seconds will it take to strick 9 o'clock?] Robert Dawson lui répond.
	The volume of a compost pile		2009-12-11
		Tim pose la question : I have a pile of compost that is78 feet long by 18 feet wide at base by 9 feet tall to a point. At the width it looks like a triangle I'm looking for the square yards Thanks Penny Nom lui répond.
	Zip codes, postal codes and 5 digit codes		2008-07-08
		Mike pose la question : Sorry if you have answered this before but I don't understand the explanations I have seen. How many possible combinations are in a 5 digit code (like a Zip Code). Is there an equation that can be used for this type of question? Penny Nom lui répond.
	A pen with 40 post on each side		2008-03-18
		Manpreet pose la question : how many post do you need to make a pen with 40 post on each side Penny Nom lui répond.
	How many locations for the lampposts are possible?		2007-01-21
		Madeeha pose la question : Maria's backyard has two trees that are 40 feet apart, as shown in the accompanying diagram. She wants to place lampposts so that the posts are 30 feet from both of the trees. Draw a sketch to show where the lampposts could be placed in relation to the trees. How many locations for the lampposts are possible? Penny Nom lui répond.
	The dimensions of a poster		2006-03-08
		Sonu pose la question : poster measures 150cm by 180cm is enlarged in the ratio 8:5 find the length and breath of the enlarged poster. Stephen La Rocque lui répond.
	A rope around a post		2002-07-15
		Nic pose la question : My daughter who is in the 10th grade asked me this ?, you have a pole 45 inches high, 22inches around. You have a rope 1/2 thick, how many feet of rope would you use to go from top bottom of pole to top. Penny Nom lui répond.
	Three problems		2001-10-28
		Brenda pose la question : Joseph is planting bushes around the perimeter of his lawn. If the bushes must be planted 4 feet apart and Joseph's lawn is 64 feet wide and 124 feet long, how many bushes will Joseph need to purchase? The cost of a long distance phone call is $1.50 for the first two minutes and $0.60 for each additional minute. How much will Maria pay for a 24 minute phone call? Find the next three numbers in the pattern. 1,3,7,15,31,___,____,___. Penny Nom lui répond.
	The height of the lamppost		2001-10-02
		Werner pose la question : I am working on question 51,section 3.7 ,page 191 of Stewart's Single Variable Calculus. The question involves a lamp post which is casting a shadow around the eliipse whose formula is x2 + 4*y2 = 5. I have found the derivative of the elllipse both explicitly: x/4(((5-x2)/4)0.5) and implicitly : y' = - x/(4*y). Harley Weston lui répond.
	A lampost and its shadow		2000-12-24
		Laura pose la question : A lamppost line EC casts a shadow line AC. A 30 cm ruler line DB has been moved from A so that it's shadow falls just within the shadow of the lamppost. Suppose the length of the ruler's shadow is 42 cm. What is the slope of the imaginary line AE? Suppose the lamppost's shadow is 15 m. long. How tall is the lamppost? Penny Nom lui répond.

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