A is decreased by b 是a减b 为什么?

A is decreased by b 是a减b 为什么? 是不是a is decreased by b 是b减a A decreased by b 就是a是不是a is decreased by b 是b减a A decreased by b 就是a减b sat a is decreased by b 是 a-b还是b-a啊 A decreased by B是A-B还是B-A? The price of a gallon of gasoline at the pump increased by 10 percent at thea.increased; increased b.increased; decreased c.increased; did not change d.decreased; decreased e.decreased; increased If y varies inversely as the square of x, then when x is doubled y is a) multiplied by 4 b) divided by 4 c) increased by 4 d) decreased by 4 e) unchanged帮忙翻译一下 不懂啊 Over the past decades,sea ice ___ in the Arctic as a result of global warming.A.had decreased B.decreased C.has been decreasing D.is decreasing 陈向东 最新GRE数学预测模拟试题4第22题If a is increased by 25% and b is decreased by 25%,the resulting numbers will be equal.What is the ratio of a to 这里的resulting numbers是什么意思?a和b是怎样的相互关系? 宏观经济的题an open market ____ by the Fed increases money supply,which leads to ____ interest rates and increased GDP A.purchase,decreased B.Sale.decreased C.Sale,increased D.purchase,increased 英语数学题求英语达人翻译fourteen decreased by a number is equal to twice the same number plus eleven? if 5/4 of x is 20,what number is x decreased by 翻译就好! 急!懂英语和数学的来啊!The length and width of a rectangle are 12cm and 5cm respectively. If the length is increased by 50% and the width is decreased by 20%.(a)Find the original area of the rectangle.(b)Find the new area of the rectangle.(c 英语翻译A setof 10 numbers has sum 100.Each number of the set is increased（增加）by 20,then multiplied（乘）by 20then decreased by 20.What is the sum of the numbers in the new set? 关于会计的一道题目,英语的The Corner Store paid ＄1,100 in dividends and ＄850 in interest this past year ,Common stock increased by ＄500 and retained earnings decreased by ＄260.What is net income for the year?A.＄840 B.＄850 C.＄ A number decreased by the difference between eight and the number. If Margarets weight is decreased by 5% ,it will become 53.2 kg .What is Margaret's weightb now? ）Over the past decades,sea ice in the Arctic as a result of global warming.）Over the past decades,sea ice in the Arctic as a result of global warming.A.had decreased B.decreased C.has been decreasing D.is decreasing 解释一下 x varies directly as y but inversely as z.if y is increased by 30% and z is decreased by 30%,how does x vary?