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Ainat [17]
3 years ago
11

What is the best estimate for the area of circle A, in square units? Use the approximation “pie”≈3.14.

Mathematics
2 answers:
amm18123 years ago
7 0

Answer:

153.86 un²

Step-by-step explanation:

Area circle = πr²

Radius is the distance of the center to the edge(perimeter)

Radius = 7

Area circle = 3.14(7)²

Area circle = 3.14 * 49 = 153.86

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

8_murik_8 [283]3 years ago
5 0
<h2>Solving for the Area of a Circle</h2><h3>Answer:</h3>

The area of the Circle A is approximately 153.86

<h3>Step-by-step explanation:</h3>

The area of a circle, A_{\circ}, is calculated by A_{\circ} = \pi r^2. We can see that the distance between point A to any point on the circle is 7. This means that 7 is the radius of the circle.

Solving for A_{\circ}:

A_{\circ} = \pi r^2 \\ A_{\circ} \approx 3.14(7)^2 \\ A_{\circ} \approx 3.14(49) \\ A_{\circ} \approx 153.86

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if a 14 foot tree casts a 8 foot long shadow. how tall is a tree that casts a 4 foot long shadow?
kvasek [131]

7-foot

EXPLANAT

Given:

14 foot tree

8foot shadow

4foot shadow

Let h be the height of a tee that casts a 4 foot long shadow.

Using proportion;

14 foot = 8 ft shadow

h = 4 ft shadow

Cross - multiply

8h = 56

Divide both-side by 8

h = 7 foot.

Hence, the tree is 7-foot.

4 0
1 year ago
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Degger [83]

Answer:

63 cause there equal

Step-by-step explanation:

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3 years ago
What is the slope of the line that passes through the points (-4, 6) and (2, 4)?
Tpy6a [65]
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6 0
3 years ago
Read 2 more answers
Work out the value of R. Give your answer in standard form to an appropriate degree of accuracy.
Mumz [18]

Answer:

R = 8,228,571.43 (Approx)

Step-by-step explanation:

Given:

R = x²/y

x = 4.8 x 10⁵

y = 2.8 x 10⁴

Find:

Value of R

Computation:

R = x²/y

R = (4.8 x 10⁵)²/ (2.8 x 10⁴)

R = 23.04 x 10¹⁰ / (2.8 x 10⁴)

R = 8.22857.. x 10⁶

R = 8,228,571.43 (Approx)

4 0
3 years ago
Write the equation of a line in the slope-intercept form that has a slope of 4 and contains the point (4, 12).
vekshin1

Answer:

y=4x-4

Step-by-step explanation:

Hi there!

we are given that a line has a slope of 4 and it contains the point (4, 12)

We want to write the equation of this line in slope-intercept form

Slope-intercept form is given as y=mx+b, where m is the slope and b is the y intercept

As we are already given the slope, we can immediately substitute it into the formula.

Replace m with 4 in y=mx+b:

y=4x+b

Now we need to find b

As the equation passes through the point (4, 12), we can use it to help solve for b

Substitute 4 as x and 12 as y:

12 = 4(4) + b

Multiply

12 = 16 + b

Subtract 16 from both sides

-4 = b

Substitute -4 as b

y = 4x - 4

Hope this helps!


Topic: Finding the equation of the line

See more on this topic here: brainly.com/question/27539102

7 0
2 years ago
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