Làm hộ mk bài 3 nha
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2 tháng 9 2021
Bài 2:
\(\sin65^0=\cos25^0\)
\(\cos70^0=\sin20^0\)
\(\tan80^0=\cot10^0\)
\(\cot68^0=\tan22^0\)
VB
làm hộ tớ bài 2,3,4 nha mai mk học rùi là nhanh hộ mk nha
1
làm hộ mk bài 4 nha mk cần gấp
DT
Đỗ Thanh Hải
CTVVIP
28 tháng 9 2021
3 has eaten
4 haven't seen
5 have been driving
6 has lost
7 has written
8 has been writing
9 has found
10 has spent
TM
5
DT
Đỗ Thanh Hải
CTVVIP
11 tháng 4 2021
8 He asked the asreonaul how long he had been living on the International ....
9 The students wanted to know when human would go to Venus
10 I asked Sally and Andy where they were going that summer holidays
VIII
1 Tin said he had been here three months before
2 He wanted to know when the next train left
3 She asked me If I were meeting Judy at four o'clock that day
4 Jane told me She had already seen that exhibition
5 My mother asked me who I had meet at the party the week before
6 Miki said that that were having dinner then, so she could only talk for a few minute
7 I asked Peter is I might use his phone
8 The Prime Minister announced that public sending would be increased the year after
9 Peter said that his father drunk a cup of coffee every morning before going to work
10 I asked the old woman how long she had lived there
làm hộ mk bài 3 nha
5 tháng 9 2016
what time the film start?
where he meet me?
who you invite to her birthday party?
who come to my party tomorrow evening?
when the party start?
when we go to the movies?
do you call her again??
Theo bài ra ta có :
\(x:y:z=5:\left(-3\right):8\)
\(\frac{x}{5}=\frac{y}{-3}=\frac{z}{8}\)
\(\Rightarrow\frac{3x}{15}=\frac{5y}{-15}=\frac{2z}{16}\)
\(\Rightarrow\frac{3x-5y-2x}{15-\left(-15\right)-16}=\frac{42}{14}\)
\(\Rightarrow x=3.5=15\)
\(\Rightarrow y=-3.3=-9\)
\(\Rightarrow z=8.3=24\)
mấy cái còn lại tương tự thôi nha bạn :))
Bạn làm giùm mình nốt nha, please!!!