Help !!!
In this figure, find the value of x ?
Answer: x =
(write your answer by decimal in simplest form)
Find the value of x such that | x2 + 3 + |x + 3|| = (3 - x)2.
Answer x = : .
(write your answer by decimal in simplest form)
+x>-3 => x2 +x+6 =9-6x+x2 => 7x=3 => x =3/7 (TM)
+x< -3 => |x2 -x| = 9 -6x +x2 => x2 -x =9-6x+x2 => 5x = 9 => x = 9/5 loại
=> x = 3/7
Find the value of x such that .\(\frac{x+3}{7}=\frac{2-x}{3}\)
Answer: .x=.....
(write your answer by decimal in simplest form)
=>3(x+3)=7.(2-x)
=>3x+9=14-2x
=>3x+2x=14-9
=>5x=5=>x=1
Find the value of x such that\(\frac{x^3}{3}=\frac{3^2}{2^3}\) .
Answer x=: .
(write your answer by decimal in simplest form)
Fill in the blank with the suitable number (Note: write decimal number with "the dot" between number part and fraction part. Example: 0.5)
Question 1:
Given .
Calculate: .
Question 2:
Given two triangles and .
If and then .
Question 3:
Suppose that is directly proportional to with the scaling factor is .
If and then k=.
Question 4:
In this figure, find the value of ?
Answer: .
(write your answer by decimal in simplest form)
Question 5:
Find the value of ?
Answer: .
(write your answer by decimal in simplest form)
Question 6:
Given two triangles and .
If and then the perimeter of is .
Question 7:
In this figure, .
Question 8:
The value of .
(write your answer by decimal in simplest form)
Question 9:
The perimeter of a triangle is and the sides of its are in a ratio of .
Then the sides's length of the triangle are .
(write your answer from least to greatest and used ";")
Question 10:
Fill the suitable number in the "?".
Answer: .
giúp mik vs nha please
Find the value of x such that: \(\frac{3\left(x+2\right)}{2x+3}=\frac{7}{8},\left(x\ne-\frac{3}{2}\right)\) . Answer: x = ...
( write your answer by decimal in simplest form )
Find the value of A + B + C = ..............?
Answer: a + b + c = .............. .
(write your answer by decimal in simplest form)
: Subtract 114 from 5 times the number A, the difference will be 51.8 more than 3 times the number A. Find the value of the number A. Answer: A= (Write your answer as a decimal in the simplest form
The absolute value of 7.23 is ...
(Write your answer by decimal in the simplest form)
Trả lời bằng cả tiếng Anh và tiếng Việt các bạn nhé !
Giá trị tuyệt đối của 7,23 là ...
(Viết câu trả lời của bạn bằng số thập phân ở dạng đơn giản)
trả lời(tiếng Việt)
Giá trị tuyệt đối của 7,23 là 7,23
(tiếng anh)
The absolute value of 7.23 is7,23
k mk nha bạn
Câu 9:
Subtract 114 from 5 times the number A, the difference will be 51.8 more than 3 times the number A. Find the value of the number A.
Answer: A=
(Write your answer as a decimal in the simplest form)
114 - 5 x A = A x 3 + 51,8
5 x A = A x 3 + 51,8 + 114
A x 2 = 51,8 + 114
A x 2 = 165,8
=> A = 165,8 : 2 = 82,9