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Brut [27]
3 years ago
14

Is 3.73773777 rational or irrational ?

Mathematics
1 answer:
NemiM [27]3 years ago
4 0

3.73773777 is irrational

ps. if I'm wrong, sorry

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Andre has a summer job selling magazine subscriptions. He earns $25 per week plus $3 for every subscription he sells. Andre hope
Lelechka [254]

Answer:

C = 25 + 3n

Step-by-step explanation:

Andre has a summer job selling magazine subscriptions.

We are told that:

Andy earns $25 per week plus $3 for every subscription he sells.

Let us represent

C = Total amount of money he makes this week

n = the number of magazine subscriptions Andre sells this week.

Hence, Our Algebraic expression =

C = $25 + $3 × n

C = 25 + 3n

5 0
3 years ago
A florist is arranging flowers in vases there are 4 red flowers and 5 white flowers in every vase the florist wants to make one
asambeis [7]

Answer:

D - 72

Step-by-step explanation:

32 divided by 4 is 8.

So 8 times 5 is 40.

32 plus 40 equals 72.

7 0
3 years ago
3a-7=-4b+1 what is b
Inessa [10]
3a-7=-4b+1
3a-8=4b
(3a/4)-2=b
3 0
3 years ago
Consider the vector function given below.
horrorfan [7]
The tangent vector is by definition the derivative of r(t) with respect to t: 

<span>T' = dr/dt = <6t, tsin(t), tcos(t)> </span>

<span>The unit vector T = T'/|T'| = <6t, tsin(t), tcos(t)>/sqrt(36t^2 + t^tsin(t)^2 +t^2cos(t^2)) </span>

<span>T = <6t, tsin(t), tcos(t)>/(t*sqrt(37)) = <6, sin(t), cos(t)>/sqrt(37) </span>

<span>Now the normal unit vector N is perpendicular to r/|r| and T. It is the second derivative of r/|r| with repsect to time </span>

<span>N' = d^2r/dt^2 = <6, sin(t) + tcos(t), cos(t) - tsin(t)> </span>


<span>N= N'/|N'| = <6, sin(t) + tcos(t), cos(t) - tsin(t)>/sqrt(36 + sin^2t +2tsin(t)cos(t)+t^2cos^2t + cos^2(t) -2tcos(t) sin(t) +t^2sin^2t) </span>

<span>N = <6, sin(t) + tcos(t), cos(t) - tsin(t)>/sqrt(37 +t^2)</span>
4 0
3 years ago
What is an equation of the line that passes through the points ( 4,8) and (1,-1)?
Nonamiya [84]

Answer: y=3x-4

Step-by-step explanation: Use the slope formula and slope-intercept form y=mx+b to find the equation.

Hope this helps you out! ☺

3 0
3 years ago
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