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marissa [1.9K]
3 years ago
15

Four-fifths of a number decreased by eight is four. Find the number.

Mathematics
2 answers:
Norma-Jean [14]3 years ago
8 0
4/5x-8 = 4
4/5x = 12
X = 15
enyata [817]3 years ago
8 0

Answer:

5 tdosbfe

Step-by-step explanation:

kxx d id rwla d

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Which is greater: 75% of 56 or 114.8 divided by 2.8? Explain how you know.
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Answer:

<em>114.8</em>

Step-by-step explanation:

When you divide 75% and 2.8 you get 0.2678

When you divide 56 and 2.8 you get 20

When you divide 114.8 and 2.8 you get 41

So the greatest number divided by 2.8 is <em>114.8</em>

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A popular radio station wants to record the ages of their listener. The results are shown in the table. Which type of graph woul
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Please answer with explanation if nonsense answers I will report so please answer properly​
alexgriva [62]

Answer:

  • x = 2

Step-by-step explanation:

<u>We know that</u>

  • The diagonals of a rectangle are of equal length
  • The diagonals bisect each other

<u>Considering the above we have:</u>

  • EG = HF = 2JF = 2JH

<u>Substitute the given values and solve for x:</u>

  • 24x - 8 = 2*(8x + 4)
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  • 24x - 16x = 8 + 8
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2 years ago
Suppose that the equation V = 5x2 60x + 8000 represents the value of
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8 0
3 years ago
Hey what's the answer ?<br><img src="https://tex.z-dn.net/?f=%28%20%7By%7D%5E%7B2%7D%20%20%2B%20%20%5Cfrac%7B5%7D%7B7%7D%20%29%2
3241004551 [841]

Answer: y^4 + \frac{-73}{35}y^2- 2

Step-by-step explanation:

Use FOIL:

y^4 + \frac{-14}{5}y^2 + \frac{5}{7}y^2 + \frac{-70}{35}

Make  \frac{-14}{5}y^2 and \frac{5}{7}y^2 have the same numerator:

\frac{-14*7}{5*7}y^2 =\frac{-98}{35}y^2

\frac{5*5}{7*5} y^2=\frac{25}{35} y^2

Then add like terms and simplify:

y^4 + \frac{-98}{35}y^2 + \frac{25}{35} y^2 + \frac{-70}{35}

y^4 + \frac{-73}{35}y^2- 2

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3 years ago
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