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Dmitry_Shevchenko [17]
3 years ago
13

The lid for a circular plastic food container has a diameter of 9 cm.

Mathematics
1 answer:
Levart [38]3 years ago
5 0
If the diameter is 9 cm the radius is 4.5 cm (half the diameter).  The area of a circle is given by the formula:  4πr^2, where π is the constant ratio of circumference to diameter (3.14159...).

3.14 cm x 4.5 cm = 14.13 cm^2.  Remember, the units must be squared to represent area.  14.13 is extended to the nearest hundredth.
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2 years ago
Read 2 more answers
PLEASE HELP ME
iVinArrow [24]

Answer:

2.4 and 177.6

Step-by-step explanation:

Let Angle 1 be x

This means Angle 2 is x+175.2

Since supplementary angles add up to 180 we can write the following equation:

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2x+175.2=180

Subtract 175.2 from both sides

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Divide 2 by both sides

x=2.4

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6 0
2 years ago
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The measure of the two angles in a triangle are shown in the diagram Which equation can be used to find the value of x?
Gnesinka [82]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
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The number 0.35 is one thousandth of what number?
Anni [7]

Answer:

0.35 is one thousandth of 350

Step-by-step explanation:

Let

x ----> the number

we know that

The number multiplied by one thousandth must be equal to 0.35

so

The linear equation that represent this situation is

(\frac{1}{1,000})x=0.35

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Multiply both sides by 1,000

1,000(\frac{1}{1,000})x=1,000(0.35)\\\\x=350

therefore

0.35 is one thousandth of 350

6 0
2 years ago
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