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docker41 [41]
3 years ago
9

Can someone please help me??

Mathematics
2 answers:
Artemon [7]3 years ago
8 0

Answer:

<em>A</em>= 153.94

Step-by-step explanation:

<em>A</em>= πr²

<em>A</em>= π(7)²

Svet_ta [14]3 years ago
4 0

Answer:

A= 153.86

A=49\pi

Step-by-step explanation:

You again....

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Enter the words as an expression.<br><br> Subtract 15 from 60, then divide by 9.
Andru [333]

Answer:

60-15/9

Step-by-step explanation:

Subtract (-) 15 from 60: 60-15

Divide (/) by 9: 60-15/9

7 0
3 years ago
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Answer:

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Step-by-step explanation:

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8 0
3 years ago
How many solutions does this equation have?
Leto [7]

Answer:

The given equation having only one solution i.e., "w = 3". A further explanation is provided below.

Step-by-step explanation:

The given equation is:

⇒ 9(w-9)-2=-7w+7(w-8)

By opening the brackets, we get

⇒ 9w-81-2=-7w+7w-56

⇒ 9w-83=-56

On adding "83" both sides, we get

⇒ 9w-83+83=-56+83

⇒                 9w=27

⇒                   w=\frac{27}{9}

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4 0
3 years ago
Jill just made a purchase online. The store that she bought from gave her the option to pay with a check, money order, or credit
svp [43]
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Find the equation of the line that contains the point (4, - 2) and is perpendicular to the line y = - 2x + 5. ​
Licemer1 [7]
<h3>Answer:</h3>

y=1/2x

<h3>Solution:</h3>
  • The slopes of perpendicular lines are opposite reciprocals of each other.
  • The simplest way to determine a number's reciprocal is to flip it over, like so:
  • -2 ~ - > -\displaystyle\frac{1}{2}
  • Now, change the sign:
  • \displaystyle\frac{1}{2}
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  • Now, convert to slope-intercept:
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Hope it helps.

Do comment if you have any query.

5 0
2 years ago
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