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qaws [65]
3 years ago
10

What’s a constant Proportionality

Mathematics
1 answer:
irina1246 [14]3 years ago
7 0
In mathematics, two variables areproportional if there is always aconstant ratio between them. Theconstant is called the coefficient ofproportionality or proportionality constant. ... x and y are directlyproportional if the ratio yx is constant.

In other words, the constant of proportionality is also the slope, **m**, rate of change, etc.
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Please help and explain these two problesm <br><br>-2a + 4 (a - b ) + 5b<br><br>x + 3 + 5 (x - 3)
Alenkinab [10]
Just use the distributing property and combine like terms. There isn’t a definite answer since it is an expression.

4 0
2 years ago
Davian is traveling at a constant speed of 85 kilometres per hour. If he is half way through his 510 kilometre trip, how much lo
inna [77]
E.5 hours
All you have to do is subtract 85 from 510 till you have 0
7 0
3 years ago
Read 2 more answers
HELP PLS NEED THIS IN 5 MIN
swat32

Answer:

0.25

Step-by-step explanation:

1. Add up all of the students.

20+20+25+7+13+5+3+2+5=100

2. Make a ratio of that number and the number of all the students in Music/Drama

MUSIC/DRAMA: 7+13+5=25

\frac{25}{100}

3. Simplify

\frac{25}{100} = \frac{5}{20} =\frac{1}{4} = 0.25

8 0
3 years ago
Suppose p" must approximate p with relative error at most 10-3 . Find the largest interval in which p* must lie for each value o
goblinko [34]

Answer:

[p-|p|*10^{-3} \, , \, p+|p|* 10^-3]

Step-by-step explanation

The relative error is the absolute error divided by the absolute value of p. for an approximation p*, the relative error is

r = |p*-p|/|p|

we want r to be at most 10⁻³, thus

|p*-p|/|p| ≤ 10⁻³

|p*-p| ≤ |p|* 10⁻³

therefore, p*-p should lie in the interval [ - |p| * 10⁻³ , |p| * 10⁻³ ], and as a consecuence, p* should be in the interval  [p - |p| * 10⁻³ , p + |p| * 10⁻³ ]

8 0
3 years ago
Solve for q 2/3=-1/3q
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Q in (-oo:+oo)

2/3 = (1/3)*q // - (1/3)*q
                                                                  
2/3-((1/3)*q) = 0                                             
                                                                       ddddddddd
                                                                       d              d      
                                                                       d              d
(-1/3)*q+2/3 = 0                                              d              d
                                                                       d              d
2/3-1/3*q = 0 // - 2/3                                       d              d
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-1/3*q = -2/3 // : -1/3                                       d              d
                                                                       d              d
q = -2/3/(-1/3)                                    ddddddd               dddddddd     
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q = 2                                            dd                                                 dd
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q = 2                                              dddddddddd          dddddddddddd
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3 years ago
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