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Alborosie
3 years ago
8

Identify the determinants for the given linear system: 5x + 2y = 14 −3x − 5y = 3

Mathematics
1 answer:
sergeinik [125]3 years ago
8 0

Answer:

Step-by-step explanation:

|A|= 5, 2, -3, -5

|Ax|= 14, 2, 3, -5,

|Ay|= 5, 14, -3, 3

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1. Jemima wants to make chocolate chip walnut brownles. Chocolate chips come in a 12oz bag that costs $3. Walnuts
fomenos

Answer:

4 bags of chocolate chips and 1 bag of walnuts.

Step-by-step explanation:

Find how many ounces are in 3 pounds:

16 oz = 1 lb

16 oz × 3 = 3 lbs

48 oz = 3 lbs

Variable x = number of chocolate chips

Variable y = number of walnuts

4x + 1y = 15

Keep in mind it must equal up to 48 oz and be $15 or under.

4 bags × 12 oz = 48 oz

1 bag × 4 oz = 4 oz

48 oz + 4 oz = 52 oz > 48 oz

4 bags × $3 = $12

1 bag × $2 = $2

$12 + $2 = $14 < $15

Both requirements have been met.

7 0
2 years ago
Is the ordered pair (-2, 1) a solution to the equation - 3x + y = 5? <br>No <br>Yes​
Otrada [13]

Answer:

No

Step-by-step explanation:

Plug (-2,1) into -3x+y=5. This will make it -3(-2)+(1)=5. This is equal to 6+1=5. 7=5. 7 is not equal to 5. Therefore, (-2,1) is not a solution to the equation -3x+y=5.

If this helps please mark as brainliest

6 0
3 years ago
The solution to 7x = 42 is x = ___.<br><br> A.4<br> B.5<br> C.6<br> D.7
Sidana [21]
C.6

7x = 42 => x = 42/7 = 6
3 0
3 years ago
Read 2 more answers
What is the answer to this question?
dimulka [17.4K]
It decreased $7 in the last 2 days
8 0
2 years ago
Pls help this is due today :)
Sedaia [141]

Answer:

Left 7 down 6 Then count two spaces left right up and down and draw a circle

Step-by-step explanation:

Your answer is going to be in the bottom left corner, you count 7 vertical lines to the left, then from there you count 6 horizontal lines down. Since the Radius is 2 the diameter is 4. Good luck, if this wasn't helpful enough you can get a graphing calculator for yourself.

5 0
3 years ago
Read 2 more answers
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