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Fifth grade volume two off form calculation (score)
What is the difference between speed and speed?
Velocity is a vector, has size and direction, generally refers to the instantaneous velocity
Speed is scalar, only size, speed value is speed size
How to calculate the side area of a hexagonal prism? (formula)
Straight section: a polygonal (hexagonal) shape formed by the intersection of a plane perpendicular to the edge and each side. Each side of a polygon is the intersection of the section and each side
Fifth grade volume two mathematics score off form addition and subtraction calculation problem
2/3-2/5+2/4=5/7+7/5+7/2-5/2=6/8-6/5+2/5=5/8-6/4-2/7+7/5=2/8+5/9-3/5=8/7-3/2+3/4=9/5-2/1+3/5=6/7-5/2+7/5=8/5-8/3+6/5=9/2+5/4+9/8-5/4=6/7-2/8+3/7=/37+2/8-9/1=2/1+3/2-4/3=5/7-2/7+3/8=2/5-3/4-3/2+2/9=8/7+...
What is the relationship between heartbeat and pulse frequency? What factors are related to the speed of heartbeat
Please be sure to answer this question before Friday
The frequency of heart beat and pulse is the same. The pulse of traditional Chinese medicine is on the wrist, so we can't stick our ears to other people's chest!
How fast is your heart beating
With the exercise, whether the mood is nervous, whether excited, whether fear and other factors
In short, in addition to exercise, some emotional factors can determine the heart rate
Yes, I have heart disease
Volume formula of hexagonal prism area formula of regular hexagon
The area of the regular hexagon s = 6 × the area of the regular triangle = (3 √ 3 / 2) a & # 178;, a is the side length of the regular hexagon
The prism volume v = sh, s is the bottom area, h is the height
Can you help me find the problem of off form calculation in Volume 2 of grade 5? (there are: fractions, decimals and integers) urgent!
Fractions, decimals and integers are separate! The columns are as follows: 123 + 975-1000 2.13 + 7.44 × 1.16 ／ 1 + 3 ／ 2-2 ／ 1
Fraction: 3 / 4 + 1 / 2-3 / 4 = decimal: 8.5 △ 2.5 × 0.4 = integer: 26-13 + 17 = 1-3 / 4 + 1 / 4 = 7.5-0.38 + 1.62 = 15 + 13
How to use the time formula to calculate the distance
How to use speed? Time and distance are the same
Speed = time / distance
Letter: v = s / T & nbsp;
Distance = speed × time;
Time = distance / speed
These should have been learned before the second year of junior high school!
I really want to go to bed, goodbye! You should grasp, study physics well, good luck!
When from the Internet, see to help you!
Speed is expressed by V, time is expressed by T, and distance is expressed by S. then, v = s / T for speed, t = s / V for time, and S = V x T for distance
If the side rectangle is regarded as the bottom of a triangular prism, is the volume calculation formula v = 1 / 2sh (s is the area of the rectangle, h is the distance from the other edge to the rectangle)
That's the answer
You can add a triangular prism with s as the base, and it will become a quadrangular prism with the volume of SH, so the volume of the original triangular prism is 1 / 2sh
Who can help me find the problem of off form calculation in Volume 2 of grade 5? (there are: fractions, decimals and integers) urgent!
/7 × 49/9 - 4/3 8/9 × 15/36 + 1/27 12× 5/6 – 2/9 ×3 8× 5/4 + 1/4 6÷ 3/8 – 3/8 ÷6 4/7 × 5/9 + 3/7 × 5/9 5/2 -（ 3/2 + 4/5 ） 7/8 ...
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- 20. Given that P is a point in the plane of △ ABC, and PA + Pb + PC = 0, PA · Pb = Pb · PC = PC · PA = - 1, what is the area of △ ABC? There are vector symbols on the letters and zeros above ① From PA + Pb + PC = 0, we can prove that P is the center of gravity, but can we further find that △ ABC is an equilateral triangle? Why? ② From PA · Pb = Pb · PC = PC · PA = - 1, can we prove that P is perpendicular, and can we find that △ ABC is an equilateral triangle by combining with (1)? Also, the area is available on the Internet According to the meaning of the question, the triangle is an equilateral triangle, point P is the center of the triangle, and the distance from P to the three is √ 2. The solution is s = (3 √ 2) / 2 How to find it? How to get it? It seems that the title does not mention data. Is it found by PA · Pb = Pb · PC = PC · PA = - 1 and the triangle is an equilateral triangle? How to find it?