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Karolina [17]
3 years ago
11

Write a matrix to represent the following system. 9x + 5y = 6 9x - 6y = 8

Mathematics
1 answer:
ratelena [41]3 years ago
6 0

Answer:

\left[\begin{array}{ccc}9&5&6\\9&-6&8\end{array}\right] \\

Step-by-step explanation:

I think that's right but it's been a minute since I took linear algebra.

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The graph of x^2/4-y^2/4=1 is an example of which type of conic section?
Step2247 [10]

Answer:

Hyperbola

Step-by-step explanation:

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7 0
3 years ago
Please find measure of angle s. PLEASE HELP FAST!!
Studentka2010 [4]

Answer:

27

Step-by-step explanation:

15x-31 = 9x+11

6x-31 = 11

6x = 42

x = 7

15x -31 + 9x + 11 + s = 180

15(7) -31 + 9(7) + 11  + s = 180

105 - 31 + 63 + 11 + s = 180

153 + s = 180

s = 27

8 0
3 years ago
Which phrases can be used to represent the inequality 6.5 x + 1.5 less-than-or-equal-to 21? Select two options. The product of 6
Montano1993 [528]

Answer:

The option with “at most” and “no more than”

Step-by-step explanation:

These two phrases mean “greater than or equal to”

5 0
3 years ago
The diameter of a circle is 2 centimeters. What is the circle's circumference?
leonid [27]
C=6.28cm
because C=2pi•r
so in this case C=2•3.14•1
which is C=2•3.14
and that leads to C=6.28cm

hope this helped
4 0
3 years ago
Gordon types 1800 words in 25 minutes. word per minute
Gennadij [26K]

Answer:

72

Step-by-step explanation:

words per minutes= 1800÷25=72

4 0
3 years ago
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