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klasskru [66]
3 years ago
13

Rx + sx/t = 1 solve for x

Mathematics
2 answers:
MAXImum [283]3 years ago
4 0
(rx + sx) / t = 1....multiply both sides by t
rx + sx = t...factor the left side
x(r + s) = t ...divide both sides by (r + s)
x = t / (r + s) <===

abx - cdx = 15m...factor left side
x(ab - cd) = 15m...divide both sides by (ab - cd)
x = (15m) / (ab - cd) <====

Lubov Fominskaja [6]3 years ago
3 0
Thanks for your question!

First thing we have to do here is take t to the other side by multiplication:

rx + sx = t

Now, group together, x as the GCF:

x(r+s) = t

Now, divide

x = t/(r+s)

Hope this helps!
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Given the equation:
Alisiya [41]

Answer:

x = 1 and x = \frac{-4}{5}

Step-by-step explanation:

In this equation, a=5, b=-1, c=-4.

Plug these into the quadratic formula:

x = \frac{1+\sqrt{-1^{2}-(-4)(5)(-4) } }{2(5)}   and x = \frac{1-\sqrt{-1^{2}-(-4)(5)(-4) } }{2(5)}

Now, simplify the equations:

x = \frac{1+\sqrt{81} }{10} = \frac{1+9}{10} = \frac{10}{10} = 1

and

x = \frac{1-\sqrt{81} }{10} = \frac{1-9}{10} = \frac{-8}{10} = \frac{-4}{5}

5 0
3 years ago
The projected rate of increase in enrollment at a new branch of the UT-system is estimated by E ′ (t) = 12000(t + 9)−3/2 where E
nexus9112 [7]

Answer:

The projected enrollment is \lim_{t \to \infty} E(t)=10,000

Step-by-step explanation:

Consider the provided projected rate.

E'(t) = 12000(t + 9)^{\frac{-3}{2}}

Integrate the above function.

E(t) =\int 12000(t + 9)^{\frac{-3}{2}}dt

E(t) =-\frac{24000}{\left(t+9\right)^{\frac{1}{2}}}+c

The initial enrollment is 2000, that means at t=0 the value of E(t)=2000.

2000=-\frac{24000}{\left(0+9\right)^{\frac{1}{2}}}+c

2000=-\frac{24000}{3}+c

2000=-8000+c

c=10,000

Therefore, E(t) =-\frac{24000}{\left(t+9\right)^{\frac{1}{2}}}+10,000

Now we need to find \lim_{t \to \infty} E(t)

\lim_{t \to \infty} E(t)=-\frac{24000}{\left(t+9\right)^{\frac{1}{2}}}+10,000

\lim_{t \to \infty} E(t)=10,000

Hence, the projected enrollment is \lim_{t \to \infty} E(t)=10,000

8 0
2 years ago
Psl help simplify this
Luba_88 [7]

Answer:

See the image below:)

Step-by-step explanation:

6 0
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Elena L [17]
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3 years ago
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garri49 [273]

Answer:

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Step-by-step explanation:

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3 years ago
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