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irakobra [83]
3 years ago
7

Find the perimeter of the quadrant whose radius is 28cm​

Mathematics
2 answers:
fiasKO [112]3 years ago
6 0

Answer:

\huge\boxed{Perimeter = 99.98\ cm}

Step-by-step explanation:

Quadrant is one - fourth of a circle

Perimeter of quadrant = \frac{2\pi r }{4} + 2r

Where r = 28 cm

=> P = \frac{2(3.14)(28)}{4} + 2(28)

=> P = (3.14)(14) + 56

=> P = 43.98 + 56

=> P = 99.98 cm

Alenkasestr [34]3 years ago
5 0

Answer:

\huge \boxed{\mathrm{99.98 \ cm}}

Step-by-step explanation:

A quadrant is quarter of a circle.

The perimeter of a quarter of a circle is \frac{2\pi r}{4} +2r.

The radius r is 28 cm.

\frac{2\pi (28)}{4} +2(28)= 99.982297...

The perimeter of the quadrant with radius 28 cm is approximately 99.98 cm.

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I don’t get this one but the question was something about finding the equation.
Alina [70]

9514 1404 393

Answer:

  y = -(x -3)^2 +2

Step-by-step explanation:

The vertex form of the equation for a parabola is ...

  y = a(x -h)^2 +k

where the vertex is (h, k) and the value 'a' is a vertical scale factor.

The value of 'a' can be found by looking at the y-value of points ±1 either side of the vertex relative to the vertex. Here, the vertex y-value is +2 at x=3, and either side goes down 1 unit (to y=1) for 1 unit to the right or left. So, a = -1.

Using the values we've read from the graph for the vertex (h, k) = (3, 2) and the scale factor a = -1, we can write the equation as ...

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4 0
3 years ago
Oakley charged $795 to his credit card last month. What is the first minimum payment he must make? (2 points)$25.00
DaniilM [7]

Answer:

$31.80

Step-by-step explanation:

<u><em>The complete question is</em></u>

Use the details of Oakley's new credit card to answer the question that follows. APR 11.9% compounded monthly Grace Period 28 days Minimum Payment 4% of the remaining balance or $25, whichever is higher Oakley charged $795 to his credit card last month. What is the first minimum payment he must make?

step 1

Find out the 4% of the balance of $795

0.04(795)=\$31.80

so

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This amount is higher than $25,

therefore

The first minimum payment he must make is $31.80

4 0
2 years ago
A company orders 25 boxed lunches from a deli for $185. If each boxed lunch costs the same amount, what is the unit cost of each
guapka [62]

Answer:

7.40

Step-by-step explanation:

Divide 185 by 25 to get unit rate

7 0
3 years ago
I NEED HELP PLEASEEEE
Georgia [21]

Answer:

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Step-by-step explanation:

Count the units in between the points

5 0
3 years ago
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How would you figure this question out?
Ksivusya [100]
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3 years ago
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