90% of what number is 45? Algebraic Equation An algebraic equation involves the comparison of two algebraic expressions to each other. Let's consider a mathematical expression written as ax +b If this expression is equated to another mathematical expression such as 4x, then their combinations beco...
A formula is a mathematical equation to solve a geometry problem while a theorem is a statement that is proved using previously known facts. For example, the “Pythagoras Theorem” proved that a2 + b2 = c2 for a right-angled triangle, where a and b are the sides of the right-angled tri...
Reporter:The weather is beautiful today! But yesterday’s rainstorm was the heaviest one so far this year. So, what were people doing yesterday at the time of the rainstorm? [outside the studio,on the street] Girl:...
English | Rules Hot Water Tank Elbow US$0.81-0.82 / Piece View \ \ \ \ \ \ Recommend for you What is Fast Response and Delivery: High-Quality SS316L Stainless Steel Fittings, Meeting DIN En 10253 and GB/T 12459 Standards What is A1...
1. Mary is old enough to take care of ___. 2. Did you enjoy ___ at the party yesterday? 3. — Who taught you English last year? — Nobody taught me. I taught ___. A. me B. myself C. mine D. I 答案: 1. hers...
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What is the HL congruence theorem?Question:What is the HL congruence theorem?Types of Right Triangles:A right triangle is a type of triangle where the largest angle is a right angle. There are two types of right triangles that are often used, the {eq}30^\circ - 60^\circ - 90^\circ...
Thus in triangle ABD, ∠D is a right angle, hypotenuse AB = 2a and BD = a So, by Pythagoras theorem, we have AB2= AD2+ BD2 ⇒ (2a)2= AD2+a2 ⇒ AD2= 4a2– a2 ⇒ AD = $\sqrt{3}$a Trigonometric Ratios of 30o
百度试题 结果1 题目What percent of the students use the Internet every day?A:90%.B:85%.C:45%.D:15%. 相关知识点: 试题来源: 解析 A 细节理解题。根据图表可知,有90%的学生每天使用互联网。故正确答案为A。反馈 收藏
___ ___ is this shirt? 6.那些短袜是什么颜色? ___ ___ are those socks? 7.___ girls,we have skirts ___ purple ___ only $20. 对于女生,我们有紫色的短裙,仅卖20美元。 8.这个帽子看起来不错。 The hat ___ ___. 9.你的鞋子是大还是小? Are your...