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3 years ago

Describe and correct the error in finding the area of a sector with a radius of 6 centimeters and a central angle of 40

Mathematics

1 answer:

Jet001 [13]3 years ago

8 0

Answer:

12.56

Step-by-step explanation:

Remark

Since we don't have anything other than the question, all I can do is answer the question. You are left with the task of figuring out the error.

Formula

Area = (central angle divided by 360 ) * pi r^2

Solution

Area = (40 /360) * 3.14 * 6^2

Area = 1/9 * 3.14 * 36

Area = 4 * 3.14

Area = 12.56

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The cost of kg of apples is $262.50. find the cost of 25 kg of apples

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Answer:

Step-by-step explanation:

cost of 25 kg =262.50x25

=6562.5

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2 years ago

Which is the equation for the line that has a slope of 12 and passes through the point (3, 20)?

Anna007 [38]

Answer:

the first one

Step-by-step explanation:

y-y1=m(x-x1)

y-20=12(x-3)

$y-20+20=12\left(x-3\right)+20$

simplify:

$y=12x-16$

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3 years ago

As a diver descends into sea water, the pressure increases by 1 atmosphere every 33 feet. The inequality below can be used to de

max2010maxim [7]

After 4 atmospheres the diver descends -132 feet because -33*4=-132

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3 years ago

Which expression is equivalent to |8|+|-7|

maks197457 [2]

Answer:

8 + 7.

Step-by-step explanation: It is absolute value.

3 0

2 years ago

Antonio uses a calculator to find 38 minus StartFraction 44 minus 16 over 4 EndFraction and gets a result of –10. Which statemen

frozen [14]

Answer:

The second statement is Correct.

Step-by-step explanation:

Consider the provided information.

It is given that Antonio uses a calculator to find $38-\frac{44-16}{4}$ and gets a result of –10.

$38-\frac{44-16}{4}=38-\frac{28}{4}$

$=38-7$

$=31$

So, the first statement is incorrect.

2nd statement: Antonio found the answer for $38-44-\frac{16}{4}$

$38-44-\frac{16}{4}=-6-4$

$38-44-\frac{16}{4}=-10$

The second statement is Correct.

Third statement: Antonio found the answer for $\frac{38-44-16}{4}$

$\frac{38-44-16}{4}=-5.5$

So, the third statement is incorrect.

Fourth statement: Antonio found the answer for $38+\frac{44-16}{4}$

$38+\frac{44-16}{4}=38+7$

$38+\frac{44-16}{4}=45$

So, the fourth statement is incorrect.

Hence, the second statement is Correct.

5 0

3 years ago

Read 2 more answers