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navik [9.2K]
3 years ago
7

Find me the answer please ​

Mathematics
2 answers:
Lilit [14]3 years ago
5 0

Answer:

The measure of angle CAB is 38 degrees

Step-by-step explanation:

Let me know if you need the explanation.

joja [24]3 years ago
3 0

Answer:

CAB= 38

Step-by-step explanation:

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Hey lads could you please check out my channel on you.tube please leave a like and subscribe it would help a lot much love stay
Sergio039 [100]

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yes if u give points lol

Step-by-step explanation:

5 0
2 years ago
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Value of 3a – 5b when a = –4 and b = 2 .
natulia [17]

Answer:

- 22

Step-by-step explanation:

3(-4) - 5(2)

-12 - 10

- 22

8 0
2 years ago
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Change from Standard Form into<br> Slope-Intercept Form<br> 6.<br> 2x - 3y = 12<br> Help please
lidiya [134]

Answer:

y = 2/3x - 4

Step-by-step explanation:

2x - 3y = 12

-3y = -2x + 12

y = 2/3x - 4

4 0
2 years ago
5. How much should Chantal budget per month to make sure she has enough
solmaris [256]

Answer:

$525.13

Step-by-step explanation:

cost per month = total expenses /  months in a year

total expenses = fixed cost + variable cost

$2,125.10 + $4,176.43 = $6,301.53

cost per month = $6,301.53/ 12 = $525.13

4 0
2 years ago
Solve the system by using a matrix equation
Sergeu [11.5K]

Answer:

Option A is correct (17,11).

Step-by-step explanation:

6x - 9y = 3

3x - 4y =7

it can be represented in matrix form as\left[\begin{array}{cc}6&-9\\3&4\end{array}\right] \left[\begin{array}{c}x\\y\end{array}\right] = \left[\begin{array}{c}3\\7\end{array}\right]

A= \left[\begin{array}{cc}6&-9\\3&4\end{array}\right]

X= \left[\begin{array}{c}x\\y\end{array}\right]

B= \left[\begin{array}{c}3\\7\end{array}\right]

i.e, AX=B

or X= A⁻¹ B

A⁻¹ = 1/|A| * Adj A

determinant of A = |A|= (6*-4) - (-9*3)

                                    = (-24)-(-27)

                                    = (-24) + 27 = 3

so, |A| = 3

Adj A=  \left[\begin{array}{cc}-4&9\\-3&6\end{array}\right]

A⁻¹ =  \left[\begin{array}{cc}-4&9\\-3&6\end{array}\right]/3

A⁻¹ =  \left[\begin{array}{cc}-4/3&3\\-1&2\end{array}\right]

X= A⁻¹ B

X=  \left[\begin{array}{cc}-4/3&3\\-1&2\end{array}\right] *\left[\begin{array}{c}3\\7\end{array}\right]

X= \left[\begin{array}{c}(-4/3*3) + (3*7)\\(-1*3) + (2*7)\end{array}\right]

X= \left[\begin{array}{c}-4+21\\-3+14\end{array}\right]

X= \left[\begin{array}{c}17\\11\end{array}\right]

x= 17, y= 11

solution set= (17,11).

6 0
3 years ago
Read 2 more answers
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