Ôn tập toán 8
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In triangle ABC, the measure of angle B is less than 1.5 times the measure of angle A and the measure of angle C is
less than 2.5 times the measure of angle A. What is the measure of angle A in degrees?
Answer: The measure of angle A is
Let . Find the value of
.
Answer:
Given the point C on the segment AB such that the ratio of AC to CB is 3:7. Find the length of BC if the length of AB is 30 cm.
Answer: The length of BC is ...... cm
Toán tiếng anh nha mấy bạn .
(Toán Tiếng Anh): The figure below is made of 2 squares of different sides (the length of sides are integer numbers).
Find the perimeter of the figure if its area is .
In a magic triangle, each of the six whole numbers 10; 11; 12; 13; 14; 15 is placed in one of the circles so that the sum, S, of the three numbers on each side of the triangle is the same. The largest possible value for S is
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Cần giúp gấp Toán Tiếng anh 8Question 9:Given . Find the values of and such that .Answer: The values of and are , respectively.(used ; between the numbers) Question 10:Find the values of and such that and .Answer: The values of and are , respectively.(used ; between the numbers)
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Cần giúp gấp Toán Tiếng anh 8Question 9:
Given=ax^2-bx$)
. Find the values of 
and 
such that -P(x+2)=2x+3$)
.
Answer: The values of and are , respectively.
(used " ; " between the numbers) Question 10:
Find the values of and such that
(x-b)$)
and 
.
Answer: The values of and are , respectively.
(used " ; " between the numbers)
Given
Answer: The values of
(used " ; " between the numbers) Question 10:
Find the values of
Answer: The values of
(used " ; " between the numbers)
Toán tiếng Anh : A survey showed that of 120 secondary school students: 52 of them have a dog, 31 of them have a cat and 19 of them have both.
How many of the 120 students have neither a dog nor a cat? Answer: {} students
a) (x2y2 – xy + 2y)(x – 2y); b) (x2 – xy + y2)(x + y).
Đọc tiếp
a) (x2y2 – xy + 2y)(x – 2y); b) (x2 – xy + y2)(x + y).
The _______ of the people in our community with the government is very necessary. ( cooperate )