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tino4ka555 [31]
3 years ago
12

Can you answer this pls 3 + 2 + 52 × 6 − 3

Mathematics
2 answers:
CaHeK987 [17]3 years ago
8 0

Answer:

314

Step-by-step explanation:

I used a calculator.....hope it helped:))))))))))

Norma-Jean [14]3 years ago
7 0

Answer:

its

.............

Step-by-step explanation:

314.

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225.2 ALL as tenths.
eimsori [14]
What are u trying to explain?
that u want me to put all the numbers as tenths 

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4 years ago
Use addition to solve the linear system of equations.
lesya692 [45]
Here, Equations are: x - y = 6
y = x - 4
x - y = 4

Here, we can see L.H.S of both equations are equal but R.H.S is unequal so the system has no solution at all.

In short, Your Answer would be "No Solution"

Hope this helps!

3 0
3 years ago
Read 2 more answers
Which logarithmic graph can be used to approximate the value of y in the equation 4^y=8
WINSTONCH [101]
\bf \textit{exponential form of a logarithm}\\\\
log_{{  a}}{{  b}}=y \implies {{  a}}^y={{  b}}\qquad\qquad 
%  exponential notation 2nd form
{{  a}}^y={{  b}}\implies log_{{  a}}{{  b}}=y 
\\\\
-------------------------------\\\\

\bf 4^y=8\implies log_4(8)=y\qquad 
\begin{cases}
4=2^2\\
8=2^3
\end{cases}\implies (2^2)^y=2^3
\\\\\\
2^{2y}=2^3\impliedby \textit{since the bases are the same, so are the exponents}
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2y=3\implies y=\cfrac{3}{2}\implies y=1\frac{1}{2}\quad thus\quad 
\begin{cases}
x=8\\
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so.. check your graphs
7 0
4 years ago
Solve the equation using square roots. 7x2 + 6 = 13
butalik [34]

Answer:

x = ±1

Step-by-step explanation:

=> 7x² = 13-6

=> 7x² = 7

<em>Dividing both sides by 7</em>

=> x² = 1

<em>Taking sqrt on both sides</em>

=> x = ±1

4 0
3 years ago
Read 2 more answers
A small town has 2000 inhabitants. At 8 AM, 160 people have heard a rumor. By noon half the town has heard it. At what time will
QveST [7]

Answer:

3:36 PM

Step-by-step explanation:

Let fraction (y) of the people that heard the rumor , the differential equation that is satisfied by the by y is,

                            \frac{dy}{dt} = ky(1-y)

Solving the differential equation,

                          y(t) = \frac{y_{o}}{[y_{o} + (1 + y_{o})e^{-kt}]}

The total number of inhabitants of the town = 2000

The number of people that  heard the rumor = 160

At 8 AM, let t = 0,

               y(0) = \frac{160}{2000}

                       = 0.08

By noon, half of the town as heard the rumor.

Then,    

                y(4) = \frac{1}{2}

Therefore,

              \frac{1}{2} = \frac{0.08}{[0.08 + (1 - 0.08)e^{-4k}]}

              \frac{0.08}{[0.08 + 0.92e^{-4k}]} = \frac{1}{2}

              0.08 + 0.92e^{-4k} = 0.16  

              0.92e^{-4k} = 0.16 - 0.08

              0.92e^{-4k} = 0.08

              e^{-4k} = \frac {0.08}{0.92}

              k = - \frac{1}{4} In(\frac {0.08}{0.92})

              k ≈ 0.06106

Calculating time, t when y(t) = 90%

        ⇒ y(t) = 0.9

              \frac{0.08}{[0.08 + 0.92e^{-0.06106t}]} =0.9

              0.08 + 0.92e^{-0.06106t} = \frac {0.9}{0.08}

              0.08 + 0.92e^{-0.06106t} = 0.089

              0.92e^{-0.06106t} = 0.089 - 0.08

              0.92e^{-0.06106t} = 0.0089

              t = - \frac{1}{0.06106}In (\frac{0.0089}{0.92})

              t = 7.59 hours

              ⇒ 7 hours 36 minutes

From 8 A.M. plus 7 hours 36 minutes = 3:36 PM

At 3:36 PM will 90% of the population have heard the rumor

             

             

             

7 0
3 years ago
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