Radicals part 2
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The document discusses radicals, rationalizing denominators, and binomial expressions. It defines rationalizing a denominator as changing the denominator from an irrational number to a rational number without changing the value of the fraction. It also defines conjugates as two binomial expressions whose first terms are equal and last terms are opposite, such as a + b and a - b. Examples are provided of rationalizing denominators and working with conjugates.
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The document discusses projectile motion, which refers to two-dimensional motion of objects subject to gravity. Examples of projectiles include balls and arrows. Projectiles follow a parabolic trajectory path. The range of a projectile is the maximum horizontal distance it can cover while returning to its original launch height. To analyze projectile motion, the initial velocity vector is resolved into horizontal and vertical components, and kinematic equations are applied to describe motion in each dimension throughout flight.
Force
The document defines force and describes its key properties, including that it can start or stop motion, change speed or direction of motion, or change the shape or size of an object. It also defines different types of forces like gravitational, magnetic, electrostatic, tension, and frictional forces. The document explains that force is measured in Newtons and discusses action-reaction forces.
Radicals
This document discusses working with radicals and square roots. It provides examples of properties of square roots, such as if a2 = b then a is the square root of b where a and b are greater than or equal to 0. The document uses multiple examples to illustrate properties and concepts related to working with radicals and square roots.
Fractions
A fraction represents a part of a whole or group. It consists of a numerator above a fraction bar and a denominator below. Examples include describing parts of a pizza that have been eaten or players on a team with yellow cards. Fractions can be proper if the numerator is smaller than the denominator, improper if the numerator is larger, or mixed numbers combining whole numbers and fractions. Equivalent fractions have the same value, while simplifying reduces fractions to their lowest terms.
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【业务选择办理准则】
一、工作未确定，回国需先给父母、亲戚朋友看下文凭的情况，办理一份就读学校的毕业证【微信：A575476】文凭即可
二、回国进私企、外企、自己做生意的情况，这些单位是不查询毕业证真伪的，而且国内没有渠道去查询国外文凭的真假，也不需要提供真实教育部认证。鉴于此，办理一份毕业证【微信：A575476】即可
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留信网认证的作用:
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6:个人职称评审加20分
7:个人信誉贷款加10分
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我们所定的价格是非常合理的，而且我们现在做得单子大多数都是代理和回头客户介绍的所以一般现在有新的单子 我给客户的都是第一手的代理价格，因为我想坦诚对待大家 不想跟大家在价格方面浪费时间
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选择实体注册公司办理，更放心，更安全！我们的承诺：可来公司面谈，可签订合同，会陪同客户一起到教育部认证窗口递交认证材料，客户在教育部官方认证查询网站查询到认证通过结果后付款，不成功不收费！
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Radicals part 2
- 2. Let a, b, m, and n be four real numbers, satisfying a = m + n and b = m⋅n. Then, Examples: Simplify the expressions. Use the property to help you.
- 3. Changing the denominator of a fraction from an irrational number to a rational number is called rationalizing the denominator of the fraction. Rationalizing the denominator does not change the value of the original fraction.
- 4. An expression with exactly two terms is called a binomial expression. Two binomial expressions whose first terms are equal and last terms are opposite are called conjugates, i.e. a + b and a – b are conjugates.