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S_A_V [24]
3 years ago
11

Solve the following system of equations using the

Mathematics
2 answers:
Alja [10]3 years ago
6 0

Answer:

The solutions are 3 and -5

Step-by-step explanation:

x+3=x^2+3x-12

x^2+2x-15

=(x-3)(x+5)

Alborosie3 years ago
3 0

y = x² + 3x - 12

y = x + 3

Substitute the second value of y into the first equation, and you'll have

x + 3 = x² + 3x - 12

Now solve

0 = x² + 2x - 15

0 = (x + 5)(x - 3)

x = - 5, x = 3

With -5, you'll get y = - 2

With 3, you'll get y = 6

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A 15 pound bag of candy cost $9.99. How much does 1 pound of candy cost? How do you know? Make sure to show all work and answer
Law Incorporation [45]

All you would do is divide 9.99/15 to get how much one pound costs.

The answer would be around 66 or 67 cents.

9.99/15=.666

5 0
3 years ago
Read 2 more answers
Brett and Max are diving. Brett is 34 feet below the surface and Max is 25 feet below the surface. How many feet above Brett isM
saveliy_v [14]

Answer:

Max is 9 ft above Brett

Step-by-step explanation:

Brett is 34 feet below the surface  = -34

Max is 25 feet below the surface = -25

Subtract the heights

-25 - -34

-25 +34

9

Max is 9 ft above Brett

6 0
3 years ago
Read 2 more answers
10 less than the product of 4 and z
Bumek [7]

Answer:

4z-10

Step-by-step explanation:

Hope this helped idek if its an option but so srry if its wrong.

7 0
2 years ago
Read 2 more answers
Answer the question in the picture?
MariettaO [177]

Answer:

last option; P = 2(8) + 2(12)

Step-by-step explanation:

perimeter is the sum of all sides

in a rectangle, opposite side are equal to you can double the sides that are equal and then add them together

4 0
2 years ago
Help me pleaseeeeeeeeeeeeeeeee
hjlf

Answer:

The Order of operations is PEMDAS: Parentheces, Exponents, Multiplcation, Division, Addition, Subtraction

Step-by-step explanation:

9+3*2-(6+3^2) \\(6+3^2= 12\\3*2= 6\\9+6=15\\\\15-12= 3

Option A is not correct because it equals 9.

Option B is not correct because it equals -66

Option C is CORRECT because it equals 3 that is your ANSWER

Option D is not correct because it equals 0

PLZ PLZ PLZZZZ MARK BRAINLIEST I WORKED VERY HARD ON THIS

3 0
3 years ago
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