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kicyunya [14]
3 years ago
12

Can someone please help me with this question it has been confusing me.

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
3 0

Answer:

............................

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What is the length of side x? If necessary, round your answer to two decimal places. 19 12
Valentin [98]

Answer:

D. 14.73

Step-by-step explanation:

According to Pythagoras,

19^2 = 12^2 + x^2

x^2 = 19^2 - 12^2

x^2 = 361 - 144

x^2 = 217

x = \sqrt{217}

x = 14.73

5 0
3 years ago
After taking a 70 point test, a student guesses that he got 65 points correct. Later he finds out he got 67 points
Nataliya [291]

Answer:

Percent error = 4.29%

Step-by-step explanation:

Percent error can be defined as a measure of the extent to which an experimental value differs from the theoretical value.

Mathematically, it is given by this expression;

Percent \; error = \frac {experimental \;value - theoretical \; value}{ theoretical \;value} *100

Given the following data;

Experimental value = 67

Theoretical value = 70

Substituting into the equation, we have;

Percent \; error = \frac {67 - 70 }{ 70} *100

Percent \; error = \frac {3}{70} *100

Percent \; error =  0.04286 *100

Percent error = 4.29%

4 0
2 years ago
State the solution of the system of linear equation using its grap<br> 6.<br> SOLUTION: (<br> -2
IRINA_888 [86]

Answer:

Solution is (2, -1)

Step-by-step explanation:

The lines cross  at the point where x = 2 and y = -1.

3 0
3 years ago
Which of the following could be a measurement on a scale drawing that has a scale of 2:5?
klemol [59]

Answer:

9

Step-by-step explanation:

3 0
3 years ago
You draw 1 card at random from a well-shuffled deck of 52 cards, put it back, reshuffle, and draw another card at random. The ev
wolverine [178]
This answer would be true. I believe. It would be that because they are completely separate. 
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3 years ago
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