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Find the remainder of 7 divided by 41 Urgent, online and other answers
77÷41=1…… thirty-six
777÷41=18…… thirty-nine
7777÷41=189…… twenty-eight
77777÷41=1897
Therefore, 5 7S can be divided by 41
2013÷5=402…… three
So, the remainder is 39 (the first five in a group can be divided by 41, and the remaining 777 is 39)
1………… 1 (1996 ones), divided by 271, the remainder is_______
271 is a prime number. We may use Fermat's theorem
Use the program to help you find out the answer first. I'll think about the process first
If the front view and side view of a space geometry are equilateral triangles, and the top view is a circle with radius 3 and its center, then the volume of the geometry is ()
A. 3πB. 3πC. 33D. 93π
From the three view geometry is a cone, the bottom radius of the cone is 3, the generatrix length of the cone is 6, the height of the cone is 62 − 32 = 33, and the volume of the cone is 13 × π × 32 × 33 = 93 π
If we translate the parabola y = 2x & # 178; - MX + n upward by 2 length units, and then to the left by 3 length units, we can get the following result
If the parabola is y = 2x & # 178; - 4x + 1, then M = n=
Y = 2x & # 178; - 4x + 1 = 2 (x-1) & # 178; - 1 according to the intention of the topic right translation 3 length units, and then down translation 2 units, get the original parabola right translation 3 length units, parabola is: y = 2 (x-1-3) & # 178; - 1 = 2 (x-4) & # 178; - 1 down translation 2 units, parabola is: y + 2 = 2 (x-4) & # 178; - 1 = 2 (x-4) & # 178; - 1
Ordinary household coal: how many kilograms is a cubic meter of coal? Is there a specific formula?
The specific gravity of coal is also called the density of coal. It is the ratio of the weight of a certain volume of coal excluding pores to the weight of water at the same temperature and volume. The unit weight of coal is also called the weight or false specific gravity of coal, It is the ratio of the weight of a certain volume of coal including pores to the weight of water at the same temperature and volume. The unit weight of coal is an important index for calculating coal seam reserves. The unit weight of lignite is generally 1.05-1.2, that of bituminous coal is 1.1.4, and that of anthracite varies widely, It can be divided into 1.35 ~ 1.8. The composition of coal rock, degree of coalification, and the composition and content of minerals in coal are the main factors affecting the specific gravity and bulk density. Under the condition of the same mineral content, the specific gravity of coal increases with the deepening of the degree of coalification
Domestic anthracite is about 1.35-1.8 tons per cubic meter, i.e. 1350-1800 kg
It is known that the polynomial x2-kx + 1 is a complete square expression, then the analytic expression of the inverse scale function y = k-1x is ()
A. Y = 1xb. Y = - 3xc. Y = 1x or y = - 3XD. Y = 2x or y = - 2x
∵ the polynomial x2-kx + 1 is a complete square expression, k = ± 2. Substituting k = ± 2 into the analytic expression of the inverse scale function y = k-1x, we can get y = 1x or y = - 3x, so we choose C
The function corresponding to the parabola whose vertex (- 5,0), opening direction and shape are the same as the image of function y = 2x2?
The parabola whose vertex is (5,0) and whose opening direction and shape are the same as the image of function y = - 2x2 is ()
A．y=-2（x-5）2 B．y=-2（x+5）2 C．y=2（x+5）2 D．y=-2x2-5
Examination point: quadratic function image and geometric transformation
Special topic: geometric transformation
Analysis: according to the properties of quadratic function
According to the meaning of the question, y = - 2 (X-5) 2
So choose a
Comments: This paper examines the image of quadratic function and geometric transformation: since the shape of the parabola after translation is not changed, so a is not changed, so two methods can be used to find the analytical formula of the parabola after translation: one is to find out the coordinates of any two points on the original parabola after translation, and use the method of undetermined coefficient to find out the analytical formula; the other is to only consider the vertex coordinates after translation
If there are two solid balls a and B, the mass of ball a is four times that of ball B, and the volume of ball a is two times that of ball B, then the density of ball a is two solid balls a and B
m(a)=4m(b)
v(a)=2v(b)
According to the formula: density = mass / volume
ρ(a):ρ(b)=[m(a)/v(b)]:[m(b)/v(b)]
=2／1
=2
So the density of ball a is twice that of ball B
Calculation of 34 × 101-34 with simple method
34×101-34
=34×(101-1)
=34×100
=3400
Through the focus of the parabola y ^ 2 = 2px (P > 0), we can make the line segment of the parabola perpendicular to the axis of symmetry intersecting at two points a and B, which is called the () of the parabola, and the coordinates of two points a () and B () can be obtained, so that the absolute value of path AB is equal to ()
[path]
A(p/2,p)、B(p/2,－p)
|AB|=2p
RELATED INFORMATIONS
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