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erastovalidia [21]
3 years ago
13

When can you use mathematics in real life situations

Mathematics
2 answers:
Ivahew [28]3 years ago
8 0
You need it in real life situation by having to keep track how much money you take in and out your bank account
Reptile [31]3 years ago
4 0

Answer:

Step-by-step explanation:

Equations are commonly used in scienctific discoveries to calculate power, work, distance, and time. It is also common to use the circumference and area equations to help with construction and design. Overall, math is a very important part of our lives, and it is also important to learn about it.

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how much would $150 invested at 8% interest compounded anually be worth after 13 years? A(t)=P(1+r/n)^
PIT_PIT [208]
\bf ~~~~~~ \textit{Compound Interest Earned Amount}
\\\\
A=P\left(1+\frac{r}{n}\right)^{nt}
\quad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{original amount deposited}\to &\$150\\
r=rate\to 8\%\to \frac{8}{100}\to &0.08\\
n=
\begin{array}{llll}
\textit{times it compounds per year}\\
\textit{annually, thus once}
\end{array}\to &1\\
t=years\to &13
\end{cases}
\\\\\\
A=150\left(1+\frac{0.08}{1}\right)^{1\cdot 13}\implies A=150(1.08)^{13}\implies A\approx 407.9435589
3 0
3 years ago
3x+2=198<br>Solve it as Soon as possible!​
Elena-2011 [213]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

Let's solve for x ~

  • 3x + 2 = 198

  • 3x  = 198 - 2

  • 3x = 196

  • \boxed{ \boxed{x =  \dfrac{196}{3} } \:  \: or \:  \: \boxed{ x = 65.33}}

3 0
2 years ago
Read 2 more answers
Laylah as already spent 3 minutes on the phone,and she expects to spend 1 more minute with every phone call she routes.If she ro
GuDViN [60]

Answer:

Step-by-step explanation:

Let x represent the number of phone call that she routes.

Laylah has already spent 3 minutes on the phone and she expects to spend 1 more minute with every phone call she routes. This means that if she routes x phone calls, the total number of time that Layla would have spent on the phone is

3 + x

If she routes 23 phone calls, the total time that Layla would have spent on the phone in total is

3 + 23 = 26 minutes

7 0
3 years ago
What do lawyers wear to court?
ollegr [7]
Jackets & ties with leather shoes etc.
5 0
3 years ago
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Which function has an inverse function a) f(x)=|x-4|+1 (b) f(x)=25x^2+70x+49 (c) x^4 (d) x+3÷7
stich3 [128]

Answer:

f(x)=\dfrac{x+3}{7} is f^{-1}(x)=7x-3

Step-by-step explanation:

Property of inverse function:

The function should be bijective function ( one-to-one and onto)

Option A) f(x)=|x-4|+1

It is absolute function. Not one-to-one function.

Domain: All real (-∞,∞)

Range: [1,∞)

False ( Inverse not possible )

Option B) f(x)=25x^2+70x+49

It is quadratic function. Not one-to-one function.

Domain: All real (-∞,∞)

Range: [0,∞)

False ( Inverse not possible )

Option C) f(x)=x^4

It is polynomial function with even degree. Not one-to-one function.

Domain: All real (-∞,∞)

Range: [0,∞)

False ( Inverse not possible )

Option D) f(x)=\dfrac{x+3}{7}

It is linear function. one-to-one and onto

Domain: All real (-∞,∞)

Range: All real (-∞,∞)

True ( Inverse possible )

Inverse of f(x)=\dfrac{x+3}{7} is f^{-1}(x)=7x-3

Hence, The function inverse function f(x)=\dfrac{x+3}{7} is f^{-1}(x)=7x-3

5 0
3 years ago
Read 2 more answers
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