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shyshy6184
01.07.2020 •
Mathematics
How many solutions are there to the equation below?
5x + 48 + 7x = 12 (x + 4)
A. 1
B. Infinitely many
C. 0
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Ответ:
B. Infinitely Many
Step-by-step explanation:
Step 1: Distribute
5x + 48 + 7x = 12x + 48
Step 2: Combine like terms
12x + 148 = 12x + 48
If the 2 lines are the same, which they are, they are the same lines. That means there are an infinite amount of solutions. If they had the same slope but different y-intercepts, there would be no solutions because the lines are parallel. Any other pair of equations would have 1 solution.
Ответ:
Step-by-step explanation:
This is how you would proceed:
Centered at D, draw an arc of 7m (3.5cm) within the garden (rectangle).
Centered at B, draw an arc of 4m (2cm) within the garden.
There will be two intersection points, one is outside the garden (that you will not see), and the other is within the garden, which is where the tree should be planted.
See illustration attached.