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butalik [34]
3 years ago
5

Gordon types 3,300 words in 50 minutes. Find the unit rate.

Mathematics
1 answer:
Doss [256]3 years ago
5 0

Answer:

Step-by-step explanation:

All you need o divide 3,300 by 50

  3300

÷     50

--------------

66

so ever minute he would most likely type 66 words

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Which expression is equivalent?
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Step-by-step explanation:

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Simplify (38 + 9 - s) + 6(4s – 32)<br>26s + 18<br>26s + 63<br>26s<br>26s - 45​
Gala2k [10]

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I don't know where those answers are coming from, but I got:

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Use integration by parts to derive the following formula from the table of integrals.
emmasim [6.3K]

Answer:

I= (x^n)*(e^ax) /a - n/a ∫ (e^ax) *x^(n-1) dx +C (for a≠0)

Step-by-step explanation:

for

I= ∫x^n . e^ax dx

then using integration by parts we can define u and dv such that

I= ∫(x^n) . (e^ax dx) = ∫u . dv

where

u= x^n → du = n*x^(n-1) dx

dv= e^ax  dx→ v = ∫e^ax dx = (e^ax) /a ( for a≠0 .when a=0 , v=∫1 dx= x)

then we know that

I= ∫u . dv = u*v - ∫v . du + C

( since d(u*v) = u*dv + v*du → u*dv = d(u*v) - v*du → ∫u*dv = ∫(d(u*v) - v*du) =

(u*v) - ∫v*du + C )

therefore

I= ∫u . dv = u*v - ∫v . du + C = (x^n)*(e^ax) /a - ∫ (e^ax) /a * n*x^(n-1) dx +C = = (x^n)*(e^ax) /a - n/a ∫ (e^ax) *x^(n-1) dx +C

I= (x^n)*(e^ax) /a - n/a ∫ (e^ax) *x^(n-1) dx +C (for a≠0)

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3 years ago
Can someone please help me out :))
ki77a [65]

Answer:

sin(T)

cos(C)

Step-by-step explanation:

sine goes up or down for angles in the circle.

cosine goes left or right for angles in the circle.

consider a circle with is center at T, and it goes through C (so, the radius is 25 = TC).

then 7 = sin(T)×25

24 = cos(T)×25

so, sin(T) = 7/25

then, sin(T) = cos(90-T)

and the angle at C = 90-T.

therefore, cos(C)=sin(T)=7/25

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and that would lead here always to a 7/24 or 24/7 ratio.

so, no tan function is right.

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3 years ago
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