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max2010maxim [7]
2 years ago
14

Which of the following (x,y) pairs is the solution to the system of equations –3x + y = –8 and x + 2y = 12 ?

Mathematics
2 answers:
slavikrds [6]2 years ago
6 0

Answer:

Step-by-step explanation:

The solution to a system of linear equations is the ordered pair (or pairs) that satisfies all ... Solve the following system of equations by substitution. ... For example, consider the system of equations below: 3x + 2y = 6 x − y = 8 ... 12x + 18y = 39

exis [7]2 years ago
3 0

Answer:

The answer is (4,4)

Step-by-step explanation:

I had this same problem and got it right so can you give me 5 stars:)

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Use the table to identify values of p and g that can be used to factor X2 - x - 12
In-s [12.5K]

Answer:

D. 3 and -4

Step-by-step explanation:

Given the expression, x² - x - 12, let's factorise to find the value of p and q using the table, for which we would have the expression simplified as (x + p)(x + q)

From the table, let's find the values of p and q that would give us -12 when multiplied together, and would also give us -1 when summed together.

Thus, from the table given, the row containing the values of p(3) and q(-4) gives us = -1 (p+q) . p = 3, q = -4 would be our values to use to factor x² - x - 12, as multiplying both will also give us "-12".

Thus, x² - x - 12 would be factorised or simplified as (x + 3)(x - 4)

Therefore, the answer is: D. 3 and -4

5 0
3 years ago
At the end of the summer, a store marks down all the outdoor furniture 20%. A family bought 4 chairs that originally cost $102.
crimeas [40]

Answer:

$81.60

Step-by-step explanation:

A 20% markdown means that the chairs were sold at 80% of the original cost.

Original cost = $102

markdown = 20%

Cost after markdown = original cost* (1-markdown)

Cost after markdown = 102 *(1 - 0.20)

= 102*0.80

= 81.6

Therefore, the 4 chairs were sold at a total cost of $81.60

5 0
3 years ago
Divide 36xy-39y over 3y
Tcecarenko [31]
\dfrac{ 36xy-39y}{3} 

Factor \ out \ the \ common \ term \ 3y 

\dfrac{3y(12x-13)}{3} 

y(12x-13)

 
    Cancel \ 3
3 0
3 years ago
Read 2 more answers
What is 2 x 2 someone please help
MrRissso [65]
The answer to 2 x 2 is 4
8 0
2 years ago
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what is the maximum volume of water a hamster bath can hold with a depth of 1 2/3, a length of 2 1/3 inches, and a width of 2 in
8_murik_8 [283]
The volume is 70/9 or 7 7/9.
=========================================
\frac{5}{3}  \times  \frac{7}{3}  \times  \frac{2}{1}  =  \frac{70}{9}
\frac{70}{9}  = 7 \frac{7}{9}
l \times w \times h = v
4 0
3 years ago
Read 2 more answers
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