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MN
22 tháng 5 2021
Từ hình vẽ ta thấy :
\(x< -1\)
\(\Leftrightarrow x+4< 4+\left(-1\right)\)
\(\Leftrightarrow x+4< 3\)
\(\Rightarrow C\)
28 tháng 12 2021
2. It is thought that he stole the money.
He is thought to have stolen the money.
3. It is said that she is going to study abroad.
She is said to be going to study abroad.
4. It is thought that the house was broken into last night.
The house was thought to be broken into last night.
29 tháng 7 2023
a: BC=căn 6^2+8^2=10cm
AM=BC/2=5cm
b:
ΔAEH vuông tại A có AI là trung tuyến
nên IH=IA
=>góc IHA=góc IAH
góc IAH+góc MAB
=góc MBA+góc IHA=90 độ
=>góc IAM=90 độ
=>AI vuông góc AM
D
5
YN
23 tháng 2 2020
Hình tự vẽ
+) Xét \(\Delta\)DEF vuông tại D
\(\Rightarrow EF^2=ED^2+DF^2\) ( đl Py-ta-go)
\(\Rightarrow DE^2=EF^2-DF^2\)
\(\Rightarrow DE^2=10^2-6^2\)
\(\Rightarrow DE^2=100-36=64\)
\(\Rightarrow DE=\sqrt{64}=8\) (cm) ( do DE > 0 )
Vậy DE = 8 ( cm)
1, to me for not having rung me to say she would not come.
2, him of having stolen his gold watch.
3, having taken my bicycle.
4, you on drawing up some excellent plans.
5, me for having invited her to my birthday party.
6, that we go to Paris for the weekend.
7, to me for not coming to visit me the last summer.
8, me of being selfish.
9, we take the jumper back to the stop.
Cảm ơn ạ