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Scilla [17]
3 years ago
12

For the following system, subtract the second equation from the first equation.

Mathematics
1 answer:
schepotkina [342]3 years ago
5 0
Here we multiply the 2nd eqation with -1 and then add both
and answer is
-6y=12
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I really need help with this!!
Otrada [13]

Answer:

Step-by-step explanation:

10 contain both chocolate and caramel

There are 18 candies.

3 don't contain either chocolate or caramel

12 contain chocolate.

There are 18 - 12 - 3 that are not accounted for. So we have 3 that are not mentioned. Those 3 must contain just caramel.

So it should be filled out like this

contain caramel      Do not contain Caramel

         10                          2

          3                           3

4 0
4 years ago
Solve the equation graphically: √ x = - x.
Nikolay [14]
Sqrt[x] = -x   
x= x ^ 2  
x - x^2 = 0
-x(x-1)=0
x(x-1)=0
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sqrt 1 isn not equal to 0

x= 0

6 0
4 years ago
How do you work out the prince of a gallon of gas dropped from the summer high price of $3.50 to the winter low price of $2.87.
seraphim [82]

Answer:

4.50%

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Need help I will offer brainalist + 10 points for correct answer (:
topjm [15]

Answer:

B

Step-by-step explanation:

It is complementary because adding DEQ and REQ together adds up to 90 degrees

4 0
3 years ago
Read 2 more answers
Please Evaluate 27 times ( 1/3) to the 3 power. A). 1 B). 3 C). 9 D). 27
topjm [15]

Answer:

you want to follow PEMDAS so you would multiply 27 by 1/3 to get 81.003, which you would round to 81, then you would multiply 8 to the third power and you would get 512.

Step-by-step explanation:

27(1/3)^3

81^3

512

7 0
3 years ago
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