Answer:
6 and 8 minutes
Step-by-step explanation:
The graph shows her speed as being the highest and the table backes it up. 40mph is her top speed
The result of adding the given equations is 2x+7y=4.
Step-by-step explanation:
Given equations are;
5x-9y=1 Eqn 1
-7x+2y=-5 Eqn 2
Adding Eqn 1 and 2

Arranging alike terms;

Dividing each term by -1

The result of adding the given equations is 2x+7y=4.
Keywords: addition, linear equations
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Answer:
Do the opposite operation
Step-by-step explanation:
If there is a coefficient like 3x, you have to divide the 3 on both sides. This is because 3x is equivalent to 3*x. The opposite of multiplication is division.
Answer:
If your asking us to just combine like terms it would be -3b^2-2b^2+1.4b+4c+c
but if your asking us to answer the question it would be -5b^2+1.4b+5c
Hope I helped :)