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Given the 100 students in the Springdale High School senior class,38 students are taking math,45 students are taking psychology,and 12 students are taking both classes.How many students in the senior class are taking exactly one of the two classes? Two numbers are in the tatio 2:3.When 4 is added to each number the ratio changes to 5:7.The sum of the two original numbers is 急,If Bob's savings earn 6 Per cent interest a year,how much interest is earnd annually for every dollar he saves? A girl has brother and sister.she has as many brothers as she has sisters.her brothers twice as many sisters as he has brothers.How many children?请看补充！A girl has brothers and sisters.she has as many brothers as she has sisters.her brothers 求解一道数学题,英语的!solve the system of equations y=-0.5x and y=1.5x+4 by elimination and graphing.题目我看懂了.但是不会做啊.尤其是那个elimination的做法.求助. 英语翻译 英语翻译1.百分之70 of a cake is flour,百分之20 eggs and the remaining portion is milk.ifthe eggs used weigh 320g,what is the weigh of flour used?2.The ratio of apples to oranges in a lorry was 5:2,there were 248 oranges,how many apples were 英语翻译The admission price per child at an amusement pake is 5/9 of the admission price for 6 adults and 3 chirdren is ￥276,then the admission price per adult is ( ) 对不起 是The admission price per child at an amusement pake is 5/9 of the 英语翻译karl's team score is 39 points.this was one point less than twice todd's team score.find todd's team score.the length of a rectangle is 6 feet more than twice the wldth.if the length is 24 feet,what is the width?four fifths of the third g 英语翻译How many 3-digit numbers have only one digit 5 in them? 英语翻译Dan needs to gain 8% of his current body weight to wrestle in weight Class A.Dan needs to lose the same percent of this current weight to wrestle in weight Class B.What percent of Dan's Class A weight,to the nearest tenth,does he need to Two angles that add up to 90 degrees are called__________angles.Two angles that add up to 180 degrees are called__________angles.不要想太深,涉及的是很简单的内容由于水平有限..不太明白题目意思 简单数学题（英文）Determine the monthly repayments needed to repay a $50000 loan that is paid back over 25 years when the interest rate is 9% compounded annually. 请翻译一下简单的英文数学题1）what is the mass of each cube?2)two more than a number is -123)the sum of 1/4 and a number and is four.4)one eighth of a number is 28.5 more than 76.请帮忙翻译一下,谢谢. 解出这道数学题对我来说容易 英文翻译 解出这道数学题对我来说容易 英文翻译啊· 英语翻译We — — our— — work out the math problem 英语翻译:很明显我们可以用一种更简单的方法来解这道数学题 要我独立解出这道数学题很难用英语怎么说 彼得正在解数学题 用英语怎么说?最好用七下的知识回答. 要我解一道数学题,我花了15分钟解这道数学题英语怎么说 1.what is the difference between 501 and 489 2.Harry and Micheal were having a ping pong match in the sports room in the evening.This was an important match because the winner would receive 300RMB.Harry won the first game,Michael won the second and H Jane's age is 's age is a prime number.Andy's age has 8 factors and he is one year older than Jane.Find the sum of their age? 一道英文数学题,求解Becca runs at an average speed of 4 miles per hour.On Saturday she ran for 5 hours including a break.1.Write an expression to show how long her break was if she ran a distance of X miles. a small island has 2/5 of its surface covered by forest and 1/4 of the remainder of its surface by sand dunes.The island also has 90 hectares covered by farm land if the lsland is made up of only forest.what is the total area of the island. 1.Find a sequence of transformations which transforms the graph of y=loge (x) （以e为底x的对数）to the graph of y=-2loge (2-x) (打不出来和上边一样 见谅).2.Sketch the graph of y=-2loge (2-x)3.Solve the equation -2loge (2-x)=10 for x A highly volatile substance initially has a mass of 1200g and its mass is reduced by 12% each second.Q1.Write a formula that gives the mass of the substance(m) at time(t) seconds.Q2.Rearrange this formula to make t the subject.Q3.What mass remains af 英语翻译a number divided by 3the difference between a number and 24 less than five times a number 11 more than third of a number10 times the sum of a number and 9 英语翻译知趣者进）））A triangle has perimeter 29cm.The sides have lengths,in centimeters,that are consecutive odd integers.What is the length of the longest side?大题目是这样的。find the solution if possible If there is not enough 英语翻译A certain communication system is made up of 40 symbols.A maximum of two symbols placed together,order not mattering,make up a word.What is the maximum number of words in this communication system? 这条数学题意思有点矛盾啊 懂英文的进 请帮我断句,Which of the following expressions represents the product of 3 less than twice x and 2 more than the quantity 3 times x