решение систем неравенств1-4 класс
найти количество целых значений переменной, при которых имеет смысл выражение корень из (11-6х) + (2-х)/корень из(х^2+х-6). У меня получается ответ (-беск; -3)
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Our factory: Guangzhou Huan Cai Glass CO., Ltd has established in 2011, is a professional manufactures and exporter that is concerned with design, development and production of glass, we are located in No. 63, Centre 7 Street Bang lake , Town Renhe District Baiyun Guangzhou City Guangdong Province China Country, with convenient transportation access. Covering an area of 8500 square meters. We now have over 83 employees. All of our products comply with international quality standard and are greatly appreciated in a variety of different market throughout the world. Our product: Toughened(tempered）glass, laminated glass, insulted glass, construction glass, fire-resistant glass, bullet-proof glass, acid etched glass, tinted glass, mirror, reflective glass, decorative glass, low-e glass, energy saving coated glass, art glass and etc. Production Application: Facades wall and curtain walls, skylight, green house railings, escalators, window and doors, office , glass partition, Commercial Building area etc.. Production Market: With the improvement of output and quality, our products are well accepted all over the country and the world. Our Service: 1. We are welcome you visit to our corporation and our factory and our production lines. 2.We will supply you information of glass material solution consultancy during design first stage. 3.we will give you product proposal . 4.We will supply detailed design and technical support from design. 5.We will update you the order tracking. 6. Our experienced and professional sales team will surely offer the essential support and pre- and after- sales service to our customers .Low Reflection Glass Free Sample website:http://www.topconstructionglass.com/ website2:http://www.engineeringglass.com/
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Укажите наибольшее целое число, являющееся её решением.
1)Решите системы неравенст.
а)х<или=3. б)3х+12>4х-1. в)2х-9>6х+1
х>2. 7-2х<или=10-3х. -х/2<2.
2)найди целые решения системы неравенств:
4)при каких значениях переменной имеет смысл выражение:
5)при каких значениях а оба уравнения х в квадрате=а-7 и х в квадрате=3-2а. Не имеют корней?