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Over [174]
3 years ago
8

Estimate the radius of the object

Mathematics
1 answer:
Anvisha [2.4K]3 years ago
7 0

Answer:

r = 1.41 mm

Step-by-step explanation:

Given that,

The circumference of the flower, C = 8.9 mm

We need to find its radius. We know that,

Circumference, C=2\pi r

Where

r is the radius of the object

r=\dfrac{C}{2\pi}\\\\r=\dfrac{8.9}{2\pi}\\\\r=1.41\ mm

So, the radius of the object is equal to 1.41 mm.

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Asap help plz i need this
VladimirAG [237]

Answer: scale\ factor=2.5

Step-by-step explanation:

First, it is important to know that the scale factor is defined as a ratio of two corresponding side lengths of similar figures.

 Similar figures are defined as those figures in which the ratio of their corresponfing  side lengths are equal and their corresponding angles are congruent (which means that they have the same measure).

In this case, you know that the rectangles given in the picture are similar.

Therefore, you can find the scale factor that was applied to the first rectangle to get the resulting image, dividing the lenghts of their corresponding sides.

Then, this is:

scale\ factor=\frac{7.5}{3}\\\\scale\ factor=2.5

4 0
4 years ago
You are standing 45 meters from the base of the Empire State Building. You estimate that the angle of elevation to the top of th
romanna [79]

Answer:

[45tan(82°)+123] meters

A is correct

Step-by-step explanation:

You are standing 45 meters from the base of the Empire State Building.

You estimate that the angle of elevation to the top of the 86th floor(the observatory) is 82°.

If the total height of the building is another 123 meters above the 86th floor.

OB = 45 m , ∠O= 82°

In Δ OBA, ∠B = 90°

\tan82^\circ=\dfrac{AB}{OB}

\tan82^\circ=\dfrac{AB}{45}

AB=45\tan82^\circ

Top of the building, T at 123 m from A

Total height of building = BA + AT

                                =45\tan82^\circ+123\text{ meters}

Hence, The height of building from ground is [45tan82°+123] meters

8 0
3 years ago
Select all that are true
sertanlavr [38]
A=-1, b=2 I hope this helped. Please please please if you like my answer mark Brainly:)
3 0
2 years ago
What is 196 as a product of its prime factors?
Mumz [18]

Answer:

The prime factorization of 196 is 196 = 2 × 2 × 7 × 7 and can be represented as 196 = 2 2 × 7 2 using exponents.

7 0
3 years ago
Find the quotient. (3.683 × 104) (7.51 × 1012) What is the solution in scientific notation?
olasank [31]

Answer:

B

Step-by-step explanation:

\frac{3.683 \times 10^4}{7.51 \times 10^{12}} \\=\frac{36.83 \times 10^3}{7.51 \times 10^{12}} \\=\frac{36.83}{7.51} \times 10^{3-12}\\ \approx 4.9041 \times 10^{-9}

6 0
3 years ago
Read 2 more answers
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