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Определите стоимость израсходованной энергии при пользовании телевизором в течение 1, 5 ч. Потребляемая мощность телевизора 220 Вт, а стоимость 1 кВт · ч равна 2,5
Ответы 1
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P - мощность ( 220 В )t - время ( 1,5 ч )
= 330 Вт*ч = 0,33 кВт*ч 0,33 * 2,5 = 0,825
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Автор:
jasper29 - 6 лет назад
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SUBJECT : Simple Past and Past Continuous
A) Fill in the blanks with a correct form of PAST CONTINUOUS:
1. Alice hurt herself while she ……………………………………………. (skate).
2. I met my neighbor while I ………………………………………. (walk) home from work.
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………………………………………………………………………………………………
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………………………………………………………………………………………………
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………………………………………………………………………………………………
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………………………………………………………………………………………………
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………………………………………………………………………………………………
D) Fill in the blanks with a correct form, the PAST SIMPLE or the PAST CONTINUOUS: 1. He ………………………………….. (talk) with Mary, when Mrs. Smith came in. 2. They ………………………………… (study) two hours last night. 3. Jane …………………………………. (sleep) when the telephone rang. 4. As I …………………………………. (walk) to the lab, I met my friend. 5. We ………………………………….. (watch) TV last night. 6. The customer ………………………… (pay) his cheque when he dropped his credit card. 7. The barber …………………………………. (cut) my hair yesterday. 8. She ………………………………. (dance) when she hurt her ankle. 9. It …………………………………. (rain) hard when I got up. 10. It …………………………………. (rain) hard last night.
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И снова я со своими пятидесятью баллами XD
Помогите пожалуйста, не понимаю и все. Только конкретные числа, хотя бы что-то, молю)
Тот мой вопрос был в разделе алгебры)-
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