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Scilla [17]
3 years ago
13

14% of 81% is what number

Mathematics
2 answers:
olga_2 [115]3 years ago
7 0
What do you mean about that
Anestetic [448]3 years ago
4 0
The answer is 11.34 for this question
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WORDED QUADRATIC EQUATION!!! PLS HELP <br><br> MOSTLY NUMBER 5 PLS
pav-90 [236]

Answer:

7,11

Step-by-step explanation:

The width is x. x+4= the length. The area is side times side, so it’s

x × (x+4) = 77

We can simplify this to:

x × x + x × 4 = 77

x^2 + 4x = 77

x^2 + 4x - 77 = 0 This is a quadratic equation. So we can solve using the quadratic formula:

x = \frac{-4\pm\sqrt{4^2-4\cdot1\cdot-77}}{2\cdot1} ->

\frac{-4\pm18}{2}

\frac{14}{2} \implies7

That’s the positive solution and that’s x, the width. So the width is 7 and the length is 7+4=11

3 0
2 years ago
Use complete sentences to explain why |x| + 2 &gt; |x|. <br> Someone please help me
IgorC [24]
The left side will always have 2 more than the right so it will akways be true
8 0
3 years ago
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$d/20 hrs $180 for 12 hrs (answer is $300)<br><br><br> true or false help meh
Lisa [10]

Answer:

false

Step-by-step explanation:

4 0
3 years ago
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23.6-2×3÷2 what is the answer to this question
lys-0071 [83]

Answer:

20. 3

Step-by-step explanation:

23.6 - 2 × 3 ÷ 2 = 23.6 - 3

                         = 20.3

8 0
3 years ago
Tell weather the lines for each pair of equations are parallel,perpendicular,or neither
Diano4ka-milaya [45]

ydhhdkxgidhd dhdidbdogdishzysgddhxhskzgy72+3-_7_+_8'

6 0
3 years ago
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