Answer:
opposite sides of a parallelogram are equal
2x+15=x+15
2x-x=15-15
x=0
Answer:
300 kilometers per hour
Step-by-step explanation:
See the step-by-step solution in the picture attached below.
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Answer:
-6x^2+x+8
Step-by-step explanation:
9+-1=8
Given the quadratic function, to get the roots we factorize:
3x²-4x-7=0
3x²+3x-7x-7=0
3x(x+1)-7(x+1)=0
(3x-7)(x+1)=0
thus the roots are
x=-1 or x=3/7
thus the sum of the roots will be:
-1+3/7
=-4/7
The answer is 166cm
Explanation: 2LH+2LW+2WH