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3 years ago

If you know the diameter of a circle, which statement describes how to find the AREA?

Mathematics

2 answers:

pentagon [3]3 years ago

6 0

Answer:

Step-by-step explanation:

PI times radius squared

Agata [3.3K]3 years ago

4 0

Answer: d

Step-by-step explanation: The formula for area of a cicle is a=pi(r^2). I like to remember circumference and area by the sentence cherry pies are delicious, apple pies are too. (c[herry]=pi*d, a[pple]=pi(r^2)

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Need help like now plssss

77julia77 [94]

Answer:

$12.56m$

<h3>4th answer is correct</h3>

Step-by-step explanation:

$\frac{180}{360} \times 2\pi \: r$

$\frac{1}{2} \times 2 \times \pi \times r \\ = 12.56m$

5 0

3 years ago

Read 2 more answers

6.5+(-8.3)-(-1.6)+0.7-9.9

german

Answer:

-12.6

Step-by-step explanation:

OK so I might have done something wrong but just remember when you're adding a negative and and a positive number you're technically just subtracting

6 0

2 years ago

Will give brainliest if correct.

Anna35 [415]

Can you put a picture of the full question please!

8 0

2 years ago

Read 2 more answers

Julio bought tables and chairs for his restaurant. He bought 16 total items and spent $1800. Each table cost $150 and each chair

uysha [10]

Answer:

He bought 6 chairs and 10 tables.

Step-by-step explanation:

x+y = 16

he spent = $1800

1 chair = $50

y chairs = $50y

1 table = $150

x chairs = $150x

so, 150x+50y = 1800

we got two equations :

x+ y = 16

150x+50y = 1800

Using. substitution method,

x+y = 16

so, x = 16-y

Now

150x+50y =1800

or, 150(16-y) + 50y = 1800

or, 2400-150y+50y = 1800

or, 2400-1800 = 150y-50y

or, 600=100y

so, y = 6

now,

x+y = 16

or, x + 6 = 16

so, x = 10

4 0

2 years ago

Tell whether the sequence is arithmetic. If it is, identify the common difference. 4, 8, 16, 32, …

zaharov [31]

Answer:

it's geometric

8/4=2 16/8=2

d=2

5 0

2 years ago