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ololo11 [35]
3 years ago
5

Please Help! Solve for X

Mathematics
2 answers:
Juli2301 [7.4K]3 years ago
3 0

Answer:

x=2

I really don't know but I really tried

I really hope that this helps!

Vladimir79 [104]3 years ago
3 0
<h3>Given :</h3>

  • ax + by = lx - d

<h3>To Find :</h3>

  • Value of x = ?

<h3>Solution :</h3>

\tt \dashrightarrow ax + by = lx - d

\tt \dashrightarrow ax + by - lx + d= 0

\tt \dashrightarrow ax - lx + by + d= 0

\tt \dashrightarrow ax - lx = - by - d

By taking x common from (ax - lx), we get :

\tt \dashrightarrow x(a - l) = - by - d

\tt \dashrightarrow x = \dfrac{- by - d}{a-l}

Hence, values of \tt x = \dfrac{- by - d}{a-l}

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Is this correct please give correct answer but no links
natima [27]

Answer:

I give answers I think their correct but as humans we make mistakes so there may be errors

4 0
2 years ago
Mr. Ratchett, an elderly American, was found murdered in his train compartment on the Orient Express at 7 AM. When his body was
nasty-shy [4]

Answer: Mr. Ratchett died approximately at 2AM.

Step-by-step explanation: <u>Newton's</u> <u>Law</u> <u>of</u> <u>Cooling</u> shows the cooling rate between a body and the environment, by stating that the rate is proportional to the difference in temperatures between them.

Mathematically, it is represented as:

\frac{dQ}{dt}=\alpha.A.(T_{s}-T)

This differential equation solved, gives the solution:

T(t)=T_{s}+(T_{0}-T_{s})e^{-kt}

where

T_{s} is temperature of the environment

T_{0} is the initial temperature of the body

k is a parameter dependent of heat transfer coefficient, heat capacity and area of the body

t is time required to change the temperature

For the murder on the Orient Express, first determine parameter k.

In 1 hour, Mr. Ratchett's body decrease 1°:

27=22+(28-22)e^{-1k}

5=6e^{-k}

e^{-k}=\frac{5}{6}

ln(e^{-k})=ln(0.834)

k = 0.1823

Using the parameter, find estimate time:

28=22+(37-22)e^{-0.1823t}

6=15e^{-0.1823t}

ln(e^{-0.1823t})=ln(0.4)

0.1823t = 0.9163

t=\frac{0.9163}{0.1823}

t ≈ 5 hours

The body was found at 7AM. So, it took approximately 5 hours to cool down to 28° at that time. Therefore, Mr. Ratchett died at 2AM.

5 0
3 years ago
1 + 2 + 3 + 4 + 5 + . . . is an example of a finite series. True False
enot [183]
True is my answer hope I helped u
6 0
3 years ago
Read 2 more answers
Can you help me please
Korvikt [17]

1.06 pounds of almonds

i could not explain because i dont know but hey how u been

7 0
3 years ago
What is the simplified form of the following expression? 5 StartRoot 8 EndRoot minus StartRoot 18 EndRoot minus 2 StartRoot 2 En
qaws [65]

The simplified form of the given expression is 5\sqrt{2}.

Given expression,

5\sqrt{8} - \sqrt{18}  - 2 \sqrt{2}.

We have to simplify the above expression.

So, 5\sqrt{8} - \sqrt{18}  - 2 \sqrt{2}\\

First solve for the square root,

5\sqrt{2\times2\times2}  -\sqrt{3\times3\times2} -2\sqrt{2} \\\\10\sqrt{2} -3\sqrt{2}-2\sqrt{2}  \\

7\sqrt{2} -2\sqrt{2}

5\sqrt{2}

Hence the simplified form of the given expression is 5\sqrt{2}.

For more details follow the link:

brainly.com/question/2719671

4 0
2 years ago
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