How many triples of integer (a,b,c) are there such that \(a.b.\sqrt{c}=6\)
Answer:........................ triples
How many triples of integer (a,b,c) are there such that \(a.b.\sqrt{c}=6\)
Làm thế nào nhiều gấp ba số nguyên (a, b, c) là có như vậy mà a.b.c√ = 6
1 How many triples of integers (a,b,c) are there such that
?
2
2) Vì ABC và RTS là 2 tam giác đồng dạng nên:
\(\frac{AB}{RT}=\frac{BC}{TS}\Leftrightarrow\left(\frac{8}{4}\right)=\frac{x}{5}\Rightarrow x=10\)
toan quoc te nha
Question 1:
There are two parallel lines in the figure. What is the value of x?
Answer: x =
Question 2:
ABC and RTS are similar triangles.
The value of x is
Question 3:
If x<0 and 5x+8+|3x|=0 then x=
Question 4:
I am a multiple of 70 between 400 and 600. My tens digit is odd. Who am I?
Answer:
Question 5:
How many triples of integers (a,b,c) are there such that
?
Answer: triples.
Question 6:
Each of the 37 students in the grade 8 at a school has one dog or one cat or both a dog and a cat. Twenty students have a dog and 24 students have a cat.
How many students have both a dog and a cat?
Answer: students.
Question 7:
The sum of 2 positive integer numbers is greater than their product if the smaller number is
Question 8:
How many different real numbers satisfy the following equation?
Answer:
Question 9:
The area of trapezoid ABCD is 180 .The altitude is 8 cm,AD is 10 cm,and BC is 17 cm.
What is AB,in centimeters?
Answer: cm.
Question 10:
There are 115 cars in a village of 26 families. Each family has either 4 or 5 cars.
How many families have 4 cars?
Answer: families.
Let a, b,c be three positive integers with a<=b<=c such that (1+1/a)(1+1/b)(1+1/c) = 3. There are .....such triples
Đặt a, b, c là ba số nguyên dương với a < = b < = c sao cho ( 1 + 1 / ) ( 1 + 1 / b ) ( 1 + 1 / c ) = 3. Có...... bộ ba như vậy
Câu 6:
4.8l of oil weigh 3.648kg. How many liters of oil are there if they weigh 4.864kg?
Answer: There are liters
(Write your answer as a decimal in the simplest form)
Câu 7:
Inspecting products of a factory, we find that there are 97 qualified products out of every 100 products on average. What percent of the total products is qualified products?
Answer: %
Câu 8:
A rectangular field has a width of 24.5m and its area equals the area of a square with the sides of 35m. Find the perimeter of that rectangular field.
Answer: m
Câu 9:
The area of a triangle ABC is , take the point M on BC such that BM=MC and the point N on AC such that AN=NC. Find the area of the triangle AMN.
Answer:
Câu 10:
A store sold 902kg of rice which is 10.25% of the total amount of rice. How many kilograms of rice were there in that store at first?
Answer: There were kilograms
How many pairs of (m,n) are there such that m^2 +n^2 =50
Answer: pairs.
Có 8 cặp (1;7)(-1:-7)(7;1)(-7;-1)(5;5)(-5;5)(5;-5)(-5;-5)
Câu 9:
Three different positive integers and are such that .
What is the value of ?
Answer:
Câu 10:
Of the numbers 1,2,…,1000, how many numbers are divisible by neither 6 nor 9?
Answer:
ill in the blank with the suitable number
Question 1:
Find x such that x:6=13
Answer: x =
Question 2:
How many goldfish are there?
Answer: There are goldfish.
Question 3:
Convert: 6cm = mm
Question 4:
If x:5=32 then x =
Question 5:
There are six students in a drawing class. Each student draws a picture as same as the picture below. How many stars do they draw in all?
Answer: They draw stars in all.
Question 6:
The perimeter of the triangle below is cm
Question 7:
Jennifer has 4 chocolate boxes. There are 12 chocolate bars in each box. How many chocolate bars does she have?
Answer: She has chocolate bars.
Question 8:
Find y such that y:6=32:4
Answer: y =
Question 9:
A even 2 – digit number has a digit 4 in the tens place.It is greater than 46. What is it?
Answer: It is
Question 10:
The product of 40 and a number, m, is a 2- digit number that greater than 40. The value of m is
question 1: x=13x6=78
question 3:60 mm
question 4:x=32x5=160
question 7:16
Question 1 : x:6=13,x=13x6=78
Question 2 : ko có hình
Question 3 : 6cm=60mm
Question 4 :x:5=32,x=32x5=160
Question 5 : ko có hình
Question 6 : ko có hình
Question 7 : 12x4=48 chocolate bar
Question 8 : y:6=32:4,y:6=8,y=8x6=48
Question 9 : 48
There are 1.25kg in each pack of flour. How many kilograms of flour are there in 15 such packs?
Answer: ......kg