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vladimir1956 [14]
4 years ago
7

Complete each statement 50% of 90 is

Mathematics
1 answer:
oksano4ka [1.4K]4 years ago
7 0

Answer:

45

Step-by-step explanation:

if you do:

0.50*90 it will equal 45

45+45= 90

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How can you use formulas you already know to find the area and perimeter of a composite figure? The six lane track shown in the
evablogger [386]

The area of the composite figure = 10,874.1 sq. m.

The perimeter of the composite figure = 406.9 m

<h3>What is the Area and Perimeter of a Rectangle and Circle?</h3>

Perimeter of a rectangle = 2(length + width)

Area of a rectangle = length × width

Perimeter of a circle = 2πr

Area of a circle = πr²

<h3>What is Area of the composite figure?</h3>

The figure is made up of two semicircles (1 full circle) and a rectangle.

Area of the composite figure = area of circle + area of rectangle

= πr² + length × width

r = 36.5 + 1.2 = 37.7 m

length = 85.0 m

width = 2(36.5) + 2(1.2) = 75.4 m

Substitute

Area of the composite figure = π(37.7)² + 85.0 × 75.4 = 10,874.1 sq. m.

<h3>What is Perimeter of the Composite Figure?</h3>

Perimeter of the composite figure = perimeter of circle + 2(length of the rectangle)

= 2πr + 2(L)

Plug in the values

= 2π(37.7) + 2(85.0)

Perimeter of the composite figure = 406.9 m

Learn more about composite figures on:

brainly.com/question/391747

6 0
2 years ago
Detroit Windsor tunnel is an underwater highway that connects the cities in Detroit Michigan in Windsor Ontario. How many times
Bond [772]

Answer:

5 times

Step-by-step explanation:

The complete question in the attached figure

we know that

The deep of the bottom of the ship is -15 ft

The deep of the roadway is -75 ft

To find out how many times deeper is  the roadway than the bottom of the ship, divide the deep of the roadway by the deep of the bottom of the ship

-75/-15=5\ times

4 0
4 years ago
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What fraction is 25 minutes of 3 hours?
Sonbull [250]

Answer:

\frac{5}{36}

Step-by-step explanation:

3 hours is equivalent to 180 minutes (found by multiplying the number of hours, 3, by the number of minutes in an hour, 60).

Therefore, the fraction of 3 hours that 25 minutes represents is \frac{25}{180}, which can further be simplified to \frac{5}{36}.

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4 years ago
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If a data value in a normal distribution has a negative z-score, which of the following must be true?
Tamiku [17]
<span>The data value must be less than the mean.</span>
4 0
4 years ago
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The circumference of the Earth is approximately 25,000 miles. Find the diameter of the Earth.
maksim [4K]
Circumference = PI * diameter
diameter = circumference / PI
diameter = 25,000 / PI
diameter = <span> <span> <span> 7,958 miles

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