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2 years ago

Can somebody help me find the area ?

Mathematics

1 answer:

aleksandrvk [35]2 years ago

3 0

area of rectangle= length × width

= 19×33

= 627 sq units

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Find the error & find the correct answer 2In(x)=In(3x)-[In(9)-2In(3)] In(x^2)=In(3x)-[In(9)-In(9)] In(x^2)=In(3x)-0 In(x^2)=

Art [367]

Answer:

Error: $lnx^2=ln 3x$ not $ln\frac{3x}{0}$

Solution:x=0 and 3

Step-by-step explanation:

We have to find the error and correct answer

Given: $2ln x=ln(3x)-[ln9-2ln(3)]$

$lnx^2=ln(3x)-[ln9-ln3^2]$

Using the formula

$alog b=logb^a$

$lnx^2=ln(3x)-[ln9-ln9]$

$lnx^2=ln(3x)-0$

$lnx^2=ln(3x)$

$x^2=3x$

$x^2-3x=0$

$x(x-3)=0$

Therefore, x=0 and x=3

But last step in the given solution

$lnx^2=ln\frac{3x}{0}=\infty$

It is wrong this property is used when

$log m-log n$ then

$log\frac{m}{n}$

Hence, the student wrote $lnx^2=ln\frac{3x}{0}$ instead of $lnx^2=ln3x$ and solution is given by

x=0 and x=3

4 0

3 years ago

I need help please someone

marta [7]

Answer:

Step-by-step explanation:

Earths resources are not distributed evenly, take other resources such as gold for example, you can't find gold everywhere, only in certain places.

4 0

3 years ago

What is the solution to this equation? 2x + 3 = x − 4

Dovator [93]

Answer:

-7

Step-by-step explanation:

2x+3=x-4

Let's start by subtracting 3 from both sides

2x=x-7

Now, subtract x from both sides

x=-7

Let's plug it in to make sure!

2(-7) +3= (-7)-4

-11=-11

8 0

3 years ago

Read 2 more answers

What is the surface area? 10 ft 8 ft 10 ft 12 ft 10 ft

amid [387]

Answer:

12×8/2=48

10×10=100

2(48)+3(100)

96+300= 396ft²

5 0

2 years ago

How many buttons did Anne sew? Rate: 8 buttons per minute Time: 7 minutes

olganol [36]

Answer:

42 buttons

Step-by-step explanation:

8 x 7 = 42

42 buttons

Hope that helped have a nice day

Can I have brainliest btw?

8 0

3 years ago

Read 2 more answers