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adelina 88 [10]
2 years ago
8

The sum of a number squared and five

Mathematics
1 answer:
Pie2 years ago
5 0

Answer:

(x+5^3 is the answer of this question

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The coffee Lily likes is composed of 97.3% water and 2.7% cocoa. The coffee John likes is composed of 96% water and 4% cocoa. Ho
mestny [16]

30 ounces of the coffee John likes consists of

  • 0.96\cdot30=28.8 ounces of water
  • 0.04\cdot30=1.2 ounces of cocoa

To this mixture we're adding x ounces of water, so that the new mix has a total volume of 30+x ounces and matches the composition of the coffee Lily likes. This means it would consist of

  • 0.973\cdot(30+x)=28.8+x ounces of water
  • 0.027\cdot(30+x)=1.2 ounces of cocoa (same amount of cocoa as before because pure water is being added)

Solve for x:

0.973(30+x)=28.8+x\implies29.12+0.973x=28.8+x

\implies0.39=0.027x

\implies x\approx14.4

###

Just to confirm: the new mixture consists of

  • 28.8+14.4=43.2 ounces of water
  • 1.2+0=1.2 ounces of cocoa

giving a total volume of 43.2+1.2=44.4 ounces of coffee, and \dfrac{43.2}{44.4}\approx0.973, as required.

4 0
3 years ago
What's 8.23+10.9 simplified?
Serggg [28]
It is going to be 18.32
7 0
3 years ago
Will mark Brainlest help plsssss​
r-ruslan [8.4K]

Answer:

45 is answer I guess cuz my teacher taught me just like that

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Answer:

The first picture is 72 ft²

Step-by-step explanation:

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Would you classify the number 200 as a perfect square, a perfect cube, both, or neither? Explain. ​
Volgvan

Answer:

neither

Step-by-step explanation:

√200 =10√2 so its not perfect square

(3)√200≈5.8480 not a perfect cube

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3 years ago
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