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sweet [91]
3 years ago
11

Add parentheses to make this equation true 7 + 8 - 2 x 3 = 25

Mathematics
1 answer:
tatuchka [14]3 years ago
3 0
7+(8-2)•3 I hope this helps!
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The height of a sunflower plant varies directly with its age. Once it has sprouted from the ground, when a sunflower is 2 week o
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Answer:

66.5

Step-by-step explanation:

38/2 = 19

114/6 = 19

19 x 3.5 = 66.5

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Joan poured 7/8 liter of water into a bottle. It filled 5/6 of the bottle.How many liters of water will completely fill the bott
stepan [7]
Let's set up some equations.

We know that 7/8 of a liter fills up our bottle 5/6 of the way. Thus 7/8=5/6 * b.

Now, let's divide both sides by 5/6 to get b = 21/20. However, none of the answer choices provided are correct. Let's look at each one to determine why it's not correct.

A. This answer is false because 35/48 < 7/8. If 7/8 of a liter doesn't completely fill up the bottle, there is no way that a value less than 7/8 can fill up the bottle - it's impossible.

B. Same case as answer A, but 11/38 instead of 35/48.

C. Same case as answer A, but 11/20 instead of 35/48.

D. This answer however is more than 35/48, so is it correct? No. 113/35 is just over 3. Since 7/8 of a liter almost fills the bottle but does not quite completely fill it, there is no way that adding 2 more liters can fill up the bottle just the tiny 1/6 of the way. That is disproportional and is thus wrong.
6 0
3 years ago
Hannah went to dinner with 3 friends. They split the entire bill and each person paid $5 for tip. Hannah paid $18. What was the
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Answer:

39?

Step-by-step explanation:

i subtracted from what she paid for by 5 //her tip was subtracted// then I times that by three for all the friend together, That gave me 39. Do you want me to re-add the tip or was that helpful?

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4 years ago
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Can someone help me with this it is for geometry
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It should be a plus sign not equal sign

1/2(9x+12+8x-6) = 2x+30


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4 years ago
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