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Zinaida [17]
3 years ago
14

Can someone please help me with this?

Mathematics
1 answer:
GrogVix [38]3 years ago
4 0
The circumference of a circle with radius r is 2\pi r. If the length of the radius is tripled, then the circumference becomes 2\pi(3r)=3\cdot2\pi r, which is just 3 times the original circle's circumference.
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THE SEVEN APPLEWOMEN
Sliva [168]

Answer:

  zero

Step-by-step explanation:

If the same sum is received for the sale of 20 apples at price p as is received for the sale of 140 apples at price p, then we must have ...

  20p = 140p

  120p = 0 . . . . . . subtract 20p

  p = 0 . . . . . . . . . divide by 120

The price was zero.

7 0
3 years ago
Read 2 more answers
What is 2x+3y=30 &amp; x+y=14<br> In elimination
puteri [66]

Answer:

x= 12 and y= 2

Step-by-step explanation:

First you would line up the equations so the x's and y's are on top of each other. Then you would multiply x+y=14 by 3 to give you 3x+3y=42. After that you subtract 2x-3y=30 and 3x+3y=42 to give you an answer of x=12. After that, you plug in x with 12 in the equation x+y=14. You subtract 12 from both sides to get an answer of 2. So ur solution is (12,2)

   

4 0
3 years ago
Item 8 Solve for x. Use the quadratic formula. 2x2−5x−9=0 Enter the solutions, in simplified radical form, in the boxes.
Lubov Fominskaja [6]

Answer:

5+√97/4

Also 5-√97/4

Step-by-step explanation:

The Quadratic formula is x=-b+-√b^2-4ac/2a

This means that we should plug the values for A B AND C into the formula

We can work out that

<u><em>A = 2</em></u>

<u><em>B=-5</em></u>

<u><em>C=-9</em></u>

Once we have put these into the formula we get

5+√97/4 (all over 4) aka 3.71

Also 5-√97/4 (all over 4) aka -1.21

7 0
3 years ago
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Leanne multiplied 8x4.3 and got 32.24
Ket [755]
The correct answer is 34.4
3 0
3 years ago
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Find the measures of the missing angles <br><br><br><br> Help pleaseee
kondaur [170]

Answer:

Nwm miałem to dawno powodzenia

6 0
3 years ago
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