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HACTEHA [7]
3 years ago
8

Given that radius of a circle is 14 cm, find its circumference and area​

Mathematics
2 answers:
Molodets [167]3 years ago
8 0

Answer:

Step-by-step explanation:

r = 14 cm

Circumference  = 2πr = 2*22 *14/7  = 2 * 22 * 2 = 88 cm

Area =πr² = 22 * 14 *14 /7 = 22 * 14 *2 = 616 sq.cm

agasfer [191]3 years ago
3 0

Let r denote radius.

To find circumference we use

C=2\pi r=28\pi\approx\boxed{87.92\mathrm{cm}}

To find area we use

A=\pi r^2=196\pi\approx\boxed{615.44\mathrm{cm^2}}

Hope this helps.

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HELP PLSSS I NEED THIS ASAP
Kamila [148]

Multiplying the linear expressions, the correct sequence is given as follows:

  • 5x(-3 -7x)
  • (5x)(-3) + (5x)(-7x)
  • -15x - 35x²

<h3>How are linear expressions multiplied?</h3>

They are multiplied applying the distributive property, in which all the terms are multiplied and the like terms are combined.

Hence:

5x(-3 -7x)

(5x)(-3) + (5x)(-7x)

-15x - 35x²

Hence the last option is correct.

More can be learned about the multiplication of linear expressions at brainly.com/question/14758247

#SPJ1

8 0
1 year ago
Area of a rectangle with a width of 36cm and a perimeter of 80cm
grandymaker [24]

The area would be 144cm^2.

In order to find the area, we need to know the length of the rectangle. We can find that using the perimeter formula.

2l + 2w = P

2l + 2(36) = 80

2l + 72 = 80

2l = 8

l = 4

So now that we know the length is 4, we can find the area using that formula.

A = lw

A = (4)(36)

A = 144

7 0
3 years ago
Solve for X. Show all work
natta225 [31]

Answer:

About 11.77 centimeters

Step-by-step explanation:

By law of sines:

\dfrac{50}{\sin 62}=\dfrac{x}{\sin 12} \\\\\\x=\dfrac{50}{\sin 62}\cdot \sin 12\approx 11.77cm

Hope this helps!

8 0
3 years ago
________ is a method used to express extremely large or small numbers in a more practical method. Please watch your spelling.
Aleksandr [31]

We would call it scientific notation

:)

7 0
2 years ago
Read 2 more answers
A taxi charges 2.50 plus .50 fee for each mile. If the ride costs 7.50 how many miles did he travel
NeX [460]

Answer:<em> 10 miles</em>

Step-by-step explanation:

<em>Mile 1: 3.00</em>

<em>Mile 2: 3.50</em>

<em>Mile 3: 4.00</em>

<em>Mile 4: 4.50</em>

<em>Mile 5: 5.00</em>

<em>Mile 6: 5.50</em>

<em>Mile 7: 6.00</em>

<em>Mile 8: 6.50</em>

<em>Mile 9: 7.00</em>

<em>Mile 10: 7.50</em>

7 0
2 years ago
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