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3 years ago

In Exercise, expand the logarithmic expression. ln(x + 1)2

Mathematics

1 answer:

rewona [7]3 years ago

4 0

Answer:

In(x^2+2x+1)

Step-by-step explanation:

In(x+1)^2 = In(x+1)(x+1) = In(x^2+x+x+1) = In(x^2+2x+1)

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The radius of a cylindrical water tank is 5.5 ft, and its height is 8 ft. What is the volume of the tank?

Gnesinka [82]

Answer: See below

Step-by-step explanation:

The formula for volume is V= πr^2h

Plug in the values

5.5 ft / 2 = 2.75 ft

and h = height which is 8ft

So, V= (3.14)(2.75ft)^2(8ft) = answer!

Hope this helps! :)

8 0

2 years ago

Line EF has an equation of a line y = −2x + 7. Which of the following could be an equation for a line that is perpendicular to l

yarga [219]

Answer:

$y=\frac{1}{2} x-3$

Step-by-step explanation:

Step 1

Find the slope of the line EF

we have

$y=-2x+7$

The slope of the line EF is equal to

$m=-2$

Step 2

Find the slope of the line perpendicular to the line EF

we know that

If two lines are perpendicular, then the product of its slopes is equal to minus one

$m1*m2=-1$

we have

$m1=-2$ -----> slope of the line EF

Find the value of m2

substitute

$(-2)*m2=-1$

$m2=1/2$

therefore

the equation $y=\frac{1}{2} x-3$ could be an equation for a line that is perpendicular to line EF

6 0

3 years ago

Read 2 more answers

What is the area of the figure?<br> Enter your answer in the box.

lukranit [14]

I think the answer would be 112. I did this by solving the square first which would be 10×10 and then moving on to the triangle which would be 4×6÷2 hope this helps

6 0

3 years ago

Read 2 more answers

A telephone pole were fixed 50m apart.how many poles were there in 26km??

Alex17521 [72]

Answer:

There are 430 poles in a distance of 26km

3 0

3 years ago

Please help me!!!!! please<br><br> explaining your answer = brainliest

jasenka [17]

Answer:

42.39 sq.cm

Step-by-step explanation:

Ф = 135°

r = 6 cm

Area of the sector = $\frac{theta}{360}*\pi *r^{2}\\$

$= \frac{135}{360}* 3.14 *6 * 6\\\\= \frac{135}{10}*3.14\\\\= 27 * 1.57\\\\=42.39$

6 0

3 years ago

Read 2 more answers