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oee [108]
3 years ago
7

How many solutions does the system below have?

Mathematics
1 answer:
lapo4ka [179]3 years ago
4 0
Answer: 1 solution

An augmented matrix for the system is
[2,6,12;1,1,2] where we will call the first two columns A and the third b. A is linearly independent since it is row equivalent to the identity matrix, which tells us that for any b there will be a unique solution (x,y).
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Who is correct jo or alex
REY [17]

Neither Alex nor Jo are correct, because surface area is a 2-dimensional quantity, so it would be given in just square units, not linear nor cubic.

So the answer is D

8 0
3 years ago
Is this correct? Thanks.
ohaa [14]

Answer:

yes it is

Step-by-step explanation:

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5 0
3 years ago
Show how to solve 6/15=2/?
Bas_tet [7]
<u></u>There are two way sof doing this question: 
 <em><u>1st solution  is : </u></em>
<em> </em><u><em>6/15 = 2/</em></u><u /><em><u>5</u>
</em>because 6/15 is divisible by 3 and it is done by this form : 
     3 X 2 = 6
       and
    3 X 5 = 15
<em><u>2nd solution is:
</u></em><u></u>6/15 = 2/?
here we suppose that the missing value is <em>x:
</em> 6/15 = 2/x
 
 you shift the denominators and then  multiply them by the their numerators:
 6 * x = 15 * 2
      6x = 30
 now you divide 6 on both sides:
<em> </em>6x/6 = 30/6
      <em><u>x = 5</u></em><em>
</em>
6 0
3 years ago
Read 2 more answers
Given that PHT is a right triangle and HY is an altitude, what is the missing justification in the proof that (ph)^2 +(HT)^2=(PT
aliya0001 [1]
Your answer will be c
4 0
3 years ago
50 pts for answer A line passes through the point (4, –6) and has a slope of mc011-1.j pg. Which is the equation of the line?
professor190 [17]

y = mx + b

m = -3/4

y = (-3/4)x + b

Use the given point (4,-6) to find b:

-6 = (-3/4)(4) + b

-6 = -3 + b

b = -3

Final equation:

y = (-3/4)x - 3

8 0
3 years ago
Read 2 more answers
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