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adell [148]
3 years ago
8

Write and solve an equation. (Escribe y resuelve una ecuación) 4.) X х +20 80​

Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
5 0
19638 + 28375373 = 2962873682837358
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Can somebody help me on 23 and 24, it’s geometry
alexdok [17]

Answer:

  23.  x = 4; DE = 44

  24.  x = 25; DS = 28

Step-by-step explanation:

23. Point S is the midpoint of DE, so ...

  DS = SE

  3x +10 = 6x -2

  12 = 3x . . . . . . . . . add 2-3x

  4 = x . . . . . . . . . . . divide by 3

Then DS has length ...

  DS = 3x +10 = 12 +10 = 22

and DE is twice that length, so ...

  DE = 44

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24. DS is half the length of DE, so is ...

  DS = DE/2 = 56/2

  DS = 28

Then x can be found from ...

  DS = x +3

  28 -3 = x = 25 . . . . . substitute value for DS

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<em>Comment on problem 24</em>

Sometimes it is easier to work parts of a problem out of sequence. Here, finding DS first makes finding x easier.

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3 years ago
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As an estimation we are told 5 miles is 8 km.<br> Convert 32 km to miles.
Gala2k [10]

Answer:

19.8839

Step-by-step explanation:

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Jerry plans to keep up this saving pattern until he can no longer afford it.At that time, he
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<h3><em>Answer: </em></h3><h3><em> I think the first answer is S(t) = 2^t - 1 .</em> </h3>

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2 years ago
Can someone answer this pls??
babymother [125]
<h3><u>Explanation</u></h3>
  • Given the expressions and values.

\frac{2ab +  {a}^{2}  {b}^{2}  - a}{ab}  \\  \begin{cases} a  =  - 1 \\ b = 1 \end{cases}

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\frac{2( - 1)(1) +  {( - 1)}^{2}  {(1)}^{2}  - ( - 1)}{( - 1)(1)}

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\frac{2( - 1) + 1(1) + 1}{ - 1}  \\  \frac{ - 2 + 1 + 1}{ - 1}  \\  \frac{ - 2 + 2}{ - 1}  \\  \frac{0}{ - 1}  \Longrightarrow 0

<h3><u>Answer</u></h3>

<u>\large \boxed{0}</u>

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3 years ago
Round to the nearest tenth if neccessary<br> 69.904 divided by 34
Cloud [144]

Answer:

2.056

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