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musicfrk2207
11.07.2019 •
Mathematics
1(-2) think: 1×2=2. a negative and a positve integer have a negative product.
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Ответ:
yes a negative times a positive integer have a negative product
Ответ:
450 feet at ground level
Step-by-step explanation:
The width of the bridge at ground level will be where the function intercepts the x-axis also known as the roots or zeros of the function. They are found using the zero product property to set each factor equal to 0.
This means (x-225) = 0 and (x + 225) = 0. So x = -225, 225.
This means the width is the absolute value of |-225| + 225 since distance cannot be negative. This makes it 450 feet.