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2 years ago

What is the area of the trapezoid shown below?

Mathematics

1 answer:

andrew-mc [135]2 years ago

5 0

Ok so the triangle part is 10 but I don’t know what the rectangle part is but the formula for a rectangle is A=base x high

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Expanding logarithmic Expression In Exercise,Use the properties of logarithms to rewrite the expression as a sum,difference,or m

wel

Answer:

$\frac{1}{2}ln(2x)-\frac{1}{2}ln(x^2-1)$

Step-by-step explanation:

In 2x/(x^2 - 1)1/2

$ln(\frac{2x}{x^2-1} )^\frac{1}{2}$

Apply the property of natural log

ln x^m = m ln(x) move the exponent before ln

$ln(\frac{2x}{x^2-1} )^\frac{1}{2}$

$\frac{1}{2}ln(\frac{2x}{x^2-1})$

ln(m/n)= ln m - ln n

$\frac{1}{2}(ln(2x)-ln(x^2-1))$

multiply 1/2 inside the terms

$\frac{1}{2}ln(2x)-\frac{1}{2}ln(x^2-1)$

6 0

2 years ago

The volume of a cube is 1.8 m3. Find the length of its edge to the nearest tenth of a

Firdavs [7]

The length of an edge is the cubic root of the volume.

Cubic root 1.8 = 1.2 meters

5 0

2 years ago

Brewsky's is a chain of micro-breweries. Managers are interested in the costs of the stores and believe that the costs can be ex

Fynjy0 [20]

Answer:

The answer is "88.9%"

Step-by-step explanation:

The Variance percentage indicates through the REgression equation but, the R-Square, it becoming the determination coefficient. 88.871% of the variance could be explained according to the above results.

3 0

2 years ago

Please help im really confused

Dimas [21]

Answer:

A=235 cm 2

Step-by-step explanation:

A1=L x W

A1=9 x 20 180 + 55=235

A1=180cm 2

A2= L x W

A2=11 x 5

A2=55 cm2

7 0

3 years ago

Read 2 more answers

Jocelynn paid $3.01 for an item which cost $34.80 before sales tax is applied. If the sales tax remains the same, how much money

dalvyx [7]

Start by finding out the tax percentage which is 3.01 divided by 34.80 which gives us 9% when rounded up. 100*1.09 will give us the answer; The answer is $109. For a precise answer with a precise tax percentage, it would be $108.65.

7 0

2 years ago