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Maksim231197 [3]
3 years ago
10

X2+2x +2 is equivalent to.

Mathematics
2 answers:
kompoz [17]3 years ago
5 0

Answer:

=1

Step-by-step explanation:

charle [14.2K]3 years ago
4 0
////// The answer is: 4x+2
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Identify a possible first step using the elimination method to solve the system and then find the solution to the system.
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A running tap dispenses 0.16 gallons of water every second. How many pints of water is dispensed after 25 seconds. Show your wor
Lana71 [14]
Answer:   32 pints 

Explanation:  

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6 0
3 years ago
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IA...
kompoz [17]

² = QR² - QT²

= 13² - 5²

= 169 - 25

= 144

TR = √144

TR = 12 cm

Menentukan panjang PR

PR = 2 × TR

= 2 × 12 cm

PR = 24 cm

8 0
2 years ago
Write your answer without using negative exponents (u^4)^-7
umka21 [38]

Answer:

<h2>\frac{1}{ {u}^{28} }</h2>

solution,

{(u}^{4} \: )^{ - 7}  \\   =  {(u)}^{4 \times ( - 7)}  \\  =  {(u)}^{ - 28}  \\  =  \frac{1}{ {u}^{28} }

Hope this helps...

Good luck on your assignment..

7 0
3 years ago
The scores on a statistics test had a mean of 81 and a standard deviation of 9. One student was absent on the test day, and his
Rama09 [41]

Using the definitions of the mean and of the standard deviation of a data-set, we have that:

  • The mean would increase.
  • The standard deviation would remain constant.

<h3>What are the mean and the standard deviation of a data-set?</h3>

  • The mean of a data-set is given by the <u>sum of all values in the data-set, divided by the number of values</u>.
  • The standard deviation of a data-set is given by the <u>square root of the sum of the differences squared between each observation and the mean, divided by the number of values</u>.

When the measure of 84 is added to the data-set, we have that:

  • A measure greater than the mean is added, hence the mean would increase.
  • The difference squared between 84 and the mean of 81 is of 9, which is the same as the standard deviation, which would remain constant.

More can be learned about the mean and the standard deviation of a data-set at brainly.com/question/26941429

#SPJ1

8 0
1 year ago
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