Answer:
10
Step-by-step explanation:
hope this helps
Factor
=(2x - 3)(2x + 5)
roots (zero)
2x - 3 = 0
2x = 3
x = 3/2
x = 1.5
2x + 5 = 0
2x = -5
x = -5/2
x = -2.5
Photomath i use it for my math all the time it gives you the option for how you wanna solve it and shows you how to solve it
Answer:
3
Step-by-step explanation:
The answer is 3 because 3 pounds would equal $23.31.
$46.69 (what she had left) plus $23.31 (the 3 pounds she bought) = $70.
Answer: Not proportional
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Explanation:
Let's assume the two fractions are equal.
If so, then,

The last equation is false, so the first equation is false.
Therefore, the two ratios are <u>not</u> proportional.
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Another approach:
Calculate the decimal value of each fraction

The two ratios result in different decimal values, so the two ratios are not equal, aka not proportional.