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eduard
3 years ago
9

The scale is evenly balanced. Explain how to find the weight (w) of one turtle. 

Mathematics
1 answer:
Tomtit [17]3 years ago
6 0

Answer: 8 units

Step-by-step explanation:

Set this up as an equation with a variable for turtles. Count up the other side of the scale (without turtles). Add up the three 1s and the 4 to get 7. Then add up all four 7s. This will get you with an equation 3t+4=28.

To solve this, first subtract 4 from both sides to get 3t=24. Now divide both sides by 3. 24/3=8. Each turtle weighs 8 units.

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A red balloon is 40 feet above the ground and rising at 2 feet per second. At the same time, a blue balloon is 60 feet above the
VikaD [51]

Answer:

40+2s=60-3s

Step-by-step explanation:

The red balloon starts 40 feet off the ground and rises 2 feet per second. This means the height of the red ballon is 40+2s.

The blue balloon starts 60 feet off the ground at starts falling 3 feet per second. This means the height of the blue balloon is 60-3s.

Because we want to find out when the balloons will be the same height, we set them equal to each other.

40+2s=60-3s

4 0
3 years ago
Ronnie is scheduling a chess tournament in which each player plays every other player once. He created a table and found that ea
aalyn [17]
1) According to the table represented above, the number of games that can be played when 7 players are in the tournament is definitely 21 games. As you can see, in the last row there are 4 players to 5,which means that we have 4 new games. The same happens if we go from 3 players to 4, and finelly we have 3.
<span>
2) And what about the </span>recursive rule for the original sequence, the approrpiate one is <span>an = an-1 + n - 1, so the answer is lying in the second option from the scale.
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<span>I am sure it's clear now!

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3 0
3 years ago
What percent of 80 is 10
True [87]

I believe that the answer is 12.5%

Reason 100% of 80= 80,

So if 80=100%,

then that means 10=x%

Fore it means that, x=(\frac{10}{80} )*100%=12.5%

5 0
3 years ago
Read 2 more answers
Which fraction is equivalent to <img src="https://tex.z-dn.net/?f=%5Cfrac%7B21%7D%7B28%7D" id="TexFormula1" title="\frac{21}{28}
BaLLatris [955]

\dfrac{21}{28}=\dfrac{21:7}{28:7}=\dfrac{3}{4}\to\boxed{C}

5 0
3 years ago
leslie bought 4 boxes of thin mint girl scout cookies each box contains 32 cookies leslie decides to share the cookies equally a
Semenov [28]
Answer:
16 cookies

Explanation:
If each box has 32 cookies then, 4•32=128
Then if Leslie divides them equally into 8 platters, 128/8 will equal 16.
4 0
3 years ago
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