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svlad2 [7]
2 years ago
8

3a

\frac{3a + a {}^{2} }{a} " alt=" \frac{3a + a {}^{2} }{a} " align="absmiddle" class="latex-formula">
Simplify. ​
Mathematics
2 answers:
aniked [119]2 years ago
8 0

Step-by-step explanation:

\frac{3a +  {a}^{2} }{a}  \\  =  \frac{3a}{a}  +  \frac{ {a}^{2} }{a}  \\  = 3 + a \\ thank \: you

egoroff_w [7]2 years ago
6 0

Answer:

(3+a)

Step-by-step explanation:

3a + a^2

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

a

Factor out an a in the numerator

a(3+a)

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

a

Cancel like terms

(3+a)

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If f(x)=5x+a and f-1(10)=-1, find a
zhenek [66]

Answer:

15

Step-by-step explanation:

Given the function

f(x)=5x+a

and f^{-1} (10)=-1(f^{-1} \text{is the inverse function of f})

let f(x)=y

Substitute in f(x)

y=5x+a\\y-a=5x\\x=\frac{y-a}{5}

From the definition inverse function

if f(x)=y    ⇒   f^{-1} (y)=x

Substitute this in the above expression

f^{-1} (y)=\frac{y-a}{5}

Substitute y=10

⇒

f^{-1} (10)=\frac{10-a}{5}\\-1=\frac{10-a}{5}\\-5=10-a\\a=10+5\\a=15

Therefore a=15

4 0
2 years ago
Alan's go-kart travels 1750 feet per minute, and Barry's go-kart travels 21 miles perhour. Who's go-kart is faster? (There are 5
Igoryamba
I believe its Alan, because I multiplied 5,280x21 and got 15,840 and then I divided that by 60, and got 258. 258≤1750... so Alan is you're answer
6 0
3 years ago
Read 2 more answers
I dont get it so can someone explain
tigry1 [53]

Step-by-step explanation:

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8 0
1 year ago
What is m in the simultaneous equation <br> M -n=1<br><br> M+n=3
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2 years ago
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What is the answer too -6/7 x 3/8
IrinaK [193]

Answer:

-9/28

Step-by-step explanation:

<u>Step 1:  Solve</u>

-6/7 * 3/8

-18/56

-18/2 / 56/2

<em>-9/28</em>

<em />

Answer:  -9/28

6 0
3 years ago
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