The price of a ring was increased by 9% to £1800. What was the price before the increase? Give your answer to the nearest penny.
2 answers:
Answer:
see steps
Step-by-step explanation:
New price was increase from 100% to 109% at £1800.
By proportionality,
old price / 100% = 1800 / 109%
Cross multiply to get
old price = $1800 * 100% / 109% = £1651.38
I do not know just need answers really hard questions
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I believe the measure of angle XZY is 90.5°
2w + 8 = 13
Subtract 8 from both sides.
2w = 5
Divide both sides by 2.
w = 5/2
Answer:
three
Step-by-step explanation:
1) solving for roots
2) Quadratic formula
3) By completing square
63 degrees because 180-117 is 63.
290 * 7 = 1400 + 630 = 2,030
2030 - 7 = 2,023
