3 years ago

A tree is 28 years old. Estimate its diameter

Mathematics

2 answers:

Neporo4naja [7]3 years ago

8 0

I would guess 2.8 to 3 feet wide :)

Ghella [55]3 years ago

7 0

I would say 2.9 to 3 feet in diameter

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What is the absolute value of | r - 8| = 5?

fomenos

Answer:

r = 13, 3

Step-by-step explanation:

| r - 8| = 5

All solutions for r by breaking the absolute value into the positive and negative components

r = 13, 3

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3 years ago

In February, Alec had 1,562 visitors to his website. In March, he had 1,310 visitors to his website. What is the percentage decr

tigry1 [53]

Answer:

16.1% is the percentage decrease.

Step-by-step explanation:

We are given the following in the question:

Visitors in February = 1,562

Visitors in march = 1,310

We have to find the percentage decrease of the number of visitors to Alec's website from February to March.

Percentage decrease =

$=\dfrac{\text{Change}}{\text{Original}}\times 100\%\\\\=\dfrac{1562-1310}{1562}\times 100\%\\\\=\dfrac{252}{1562}\times 100\% = 16.1\%$

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3 years ago

3 times 80,000,00 equal what

RoseWind [281]

Answer:

240000000

Step-by-step explanation:

3*80000000

=240000000

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3 years ago

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Find the area of the shaded regions. Give your answer as a completely simplified exact value in terms of π (no approximations).

olga_2 [115]

Answer:

$7\pi cm^2$

Step-by-step explanation:

The area of a circle is given by $A=\pi r^2$

For circle B, the radius is 3 cm, it has an area of $\pi *3^2=9\pi cm^2$

Circle D also has a radius of 1 cm. Its area is $\pi *1^2=\pi cm^2$

Circle P also has a radius of 1 cm and area $\pi*1^2=\pi cm^2$

The area of the shaded region is then $9\pi -\pi-\pi=7\pi cm^2$

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Hunter-Best [27]

The answer is B (Sorry for the bad handwriting.)

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3 years ago