`-2^x=16`
`↔(-2)^x=(-2)^4`
`↔x=4`
Vậy `x=4`
Đáp án:
`x=4`
Giải thích các bước giải:
`(-2)^x=16`
`<=> (-2)^x=(-2)^4`
`<=> x=4`
vì sao phần lớn các nc châu phi có ngành kinh tế công nghiệp chậm phát triển
Read the text carefully then choose the correct answers Vietnamese food culture varies by regions from the north to the south. In Northern Vietnam, food is characterized by light and balanced. Northern Vietnam is seen to be the cradle of Vietnamese cuisine with many notable dishes like Pho, Bun Rieu, Bun Thang, Bun Cha, BanhCuon, etc. Then, food culture in Northern Vietnam became popular in Central and Southern Vietnam with suitable flavors in each regions. The regional cuisine of Central Vietnam is famous for its spicy food. Hue cuisine is typical Central Vietnam’s food culture. Food in the region is often used with chili peppers and shrimp sauces, namely, Bun Bo Hue, BanhKhoai, BanhBeo, etc. In Southern Vietnam, the warm weather and fertile soil create an ideal condition for planting a variety of fruit, vegetables and livestock. Thus, food in the region is often added with garlic, shallots and fresh herbs. Particularly, Southerners are favored of sugar; they add sugar in almost dishes. Some signature dishes from Southern Vietnam include BanhKhot and Bun Mam. 1. It is considered that Vietnamese cuisine __________. A. originated from the North B. became more and more popular. C. always combines taste and colour D. can be found only in Northern Vietnam 2. What are the features of Northern Vietnamese food? A. It’s delicious and healthy. B. It’s sweet and sour. C. It’s light and balanced. D.It’s a bit fatty and salty. 3. Hue cuisine is notable for its __________. A. colorful food B. spicy taste C. bitter taste D. light flavor 4. In Southern Vietnam, __________. A. the warm weather makes it hard to plant fruit and vegetables B. fresh herbs are always used in cooking C. people love sweet food D.sugar is often added to dishes 5. Which of the followings is NOT true? A. Food in Vietnam changes region to region. B. Southerners do not like northern food due to its light flavor. C. Chill peppers and shrimp sauces are among the frequently used ingredients. D. Bun Bo Hue is a typical dish of the Central Vietnam cuisine.
Read the passage and choose the correct answers. Charlie Chaplin was an English actor, director, producer, and composer. He is known as the most creative person of the silent-film era. Charlie Chaplin’s portrayal of the tramp won the hearts of people all over the world. Chaplin was born in London on the 16th of April, 1889. He spent his childhood in poverty and hardship. In 1910 he began to perform pantomime in the United States. He first appeared on screen in 1914. He created his world-famous character, the Tramp, and he played this classic role in more than 70 films during his career. He also composed background music for most of his films. In 1972 Chaplin received an Honorary Academy Award for “the incalculable effect he has had in making motion pictures the art form of this century”. Chaplin died on the 25th of December, 1977, at his home in Switzerland. 1. In 1970 he began to perform pantomime in……………….. A. The US B. London C. Switzerland 2. When did he start appearing in films? A. In 1910 B. In 1914 C. In 1972 3. In about how many films did he play the Tramp? A. Seventy B. Seventeen C. Twenty-five 4. Charlie Chaplin is very famous for…………….. A. his stage performance B. his background C. his character “the Tramp” 5. Which of the following is NOT true? A. Charlie Chaplin was an English artist. B. He played classical music. C. He received an award in 1972.
trình đặc điểm chung của ngành động vật nguyên sinh, ruột khoang thân mềm chân khớp và lớp sâu bọ
Tình hình kinh tế nước Mĩ sau chiến tranh thế giới thứ hai? Giúp mk vs
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hãy kể truyện cổ tích tấm cám bằng một kết thúc khác , khác với kết thúc gốc
Xin chào,hôm nay lại mang đến cho m.n bài dễ đây.nhanh tay để lấy tim+ctlhn+5* nhé🤩(nhớ giải thích vì sao chọn câu đó nữa nha)
Giúp mình với, vẽ hình với ạ. Mình cảm ơn
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