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const2013 [10]
3 years ago
5

Pls help,its for my sister

Mathematics
1 answer:
dimaraw [331]3 years ago
7 0
Everything about number one is because it's a half of circle so its area = 1/2 ¶r^2 and its perimeter = ¶r

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Stonehenge is one of the most famous historical sites in the world. It is believed to
julia-pushkina [17]

Answer: Radius is 15.9975 meters.

Step-by-step explanation:

The formula to find radius of circle is r=\sqrt{A/\pi } so plug in our known variables and solve...

r=\sqrt{804/\pi }

r=\sqrt{255.9211}

r=15.9975

8 0
3 years ago
The large rectangle shown here is 3cm by 5 cm. What is a direct way to determine the area of the rectangle in square centimeters
dlinn [17]

Answer:

Place the squares on the rectangle.

Step-by-step explanation:

Hello!

The area of the 1cm by 1cm square is 1 square cm.

We can solve for the area by placing multiple of those squares in the larger rectangle.

If we place it, we get 15 placed squares, with a total area of 15 square cm. This relies on the meaning of area, as we are simply measuring the number of square cm taken up by the object.

We would place 3 rows of 5 squares, representing a height of 3 cm (side length of 3 squares), and a length of 5 cm (side length go 4 squares).

This also proves the area formula A = L * W, as we multiple the side lengths to find the number of square units.

8 0
2 years ago
The value of the exponent in (22)−5<br><br>is​
lyudmila [28]

Answer:

Let's calculate:

22-5

• Remove minus in the exponent and invert the base:

= (1/22)5

• Expand the multiplication:

= (1/22) * (1/22) * (1/22) * (1/22) * (1/22)

• Find your result:

= 1/5153632 ≈ 0.000000194038

3 0
3 years ago
Vhich is a solution to the equation?<br> (x-2)(x + 5) = 18<br> x= -10<br> x==7<br> x=-4<br> x= -2
uranmaximum [27]

Answer:

see attachment (this needs to be at least 20 characters long)

4 0
1 year ago
You have a bag of chocolate candy . ten of them are red,7 are brown,12 are green, and 9 are blue . what is the probability that
Lerok [7]
I believe the answer to your question is 10/37.
The total of candies inside the bag was initially 38. Since a blue candy has already been picked and cannot be picked and cannot be replaced then the total number of candy remaining in the bag is 37. So the probability of choosing a red candy is now 10/37
4 0
3 years ago
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