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Svetllana [295]
3 years ago
9

T²= 4π² (M+m) ÷ ug

Mathematics
1 answer:
inessss [21]3 years ago
6 0

Starting with ...

T^2=\dfrac{4\pi^2(M+m)}{ug}

1) Multiply by the inverse of the coefficient multiplying the sum with M, then subtract m.

\dfrac{T^2ug}{4\pi^2}=M+m\\\\M=\dfrac{T^2ug}{4\pi^2}-m

2) Multiply by g/T²

g=\dfrac{4\pi^2(M+m)}{T^2u}

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Of the 1640 students in rolled at school 50% come to school by bus 35% come by car and the rest of the students walk to school h
Eva8 [605]

Answer:

256

Step-by-step explanation:The total amount os students is 1640 which is equivalent to 100% so we get 50% of 1640 which is equall to 820 students after that we also find 35% of 1640 which is equall to 564 students. After that we sum them up which we get 1384 students and subtract it from 1640 and get 256 students.


8 0
4 years ago
Help it's due in 2 mins
AfilCa [17]

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3 years ago
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castortr0y [4]

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Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Given GHI G (4,-3), H (-4,2), and I (2,4), find the perpendicular bisector of HI in standard form.
Olin [163]

Answer:

3x+y=0

Step-by-step explanation:

step 1

Find the slope of segment HI

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

we have

H (-4,2), and I (2,4)

substitute the given points

m=\frac{4-2}{2+4}

m=\frac{2}{6}

simplify

m=\frac{1}{3}

step 2

Find the slope of the perpendicular line to segment HI

we know that

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of their slopes is equal to -1)

m_1*m_2=-1

we have

m_1=\frac{1}{3}

so

m_2=-3

step 3

Find the midpoint segment HI

we know that

The formula to calculate the midpoint between two points is equal to

M(\frac{x1+x2}{2},\frac{y1+y2}{2})  

we have

H (-4,2), and I (2,4)

substitute

M(\frac{-4+2}{2},\frac{2+4}{2})

M(-1,3)  

step 4

we know that

The perpendicular bisector of HI is a line perpendicular to HI that passes though the midpoint of HI

Find the equation of the perpendicular bisector of HI in point slope form

y-y1=m(x-x1)

we have

m=-3

M(-1,3)  

substitute

y-3=-3(x+1)

step 5

Convert to slope intercept form

y=mx+b

Isolate the variable y

y-3=-3x-3

y=-3x-3+3

y=-3x

step 6

Convert to standard form

Ax+By=C

where

A is a positive integer

B and C are integers

y=-3x

Adds 3x both sides

3x+y=0

see the attached figure to better understand the problem

3 0
4 years ago
Find the slope of the graph
Artemon [7]
The slope of this graph would be -1/3 because it goes down 1 unit and over 3 units
5 0
3 years ago
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