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Alchen [17]
3 years ago
7

X(4x-3)=0 A. {-3/4, 0} B. {3/4,0} C.{3/4}

Mathematics
1 answer:
svet-max [94.6K]3 years ago
7 0

Answer:

B. {3/4,0}

Step-by-step explanation:

x(4x - 3) = 0 \\ x = 0 \:  \: or \:  \: 4x - 3 = 0 \\ x = 0 \:  \: or \:  \: x =  \frac{3}{4}  \\ x =   \bigg\{ \frac{3}{4},  \:  \: 0  \bigg\}

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Please please help if you can it would mean a lot. Thank you!!
zheka24 [161]
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Comparing Ratios:

1. 1.7 m = 170 cm
20:170 = 2:17

2. 160:8 = 20:1

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2 years ago
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2 years ago
an item that cost $50 is marked 20% off. Sales tax for the item is 8%. What is the final price including tax? Solve the problem
kramer

Answer:

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Step-by-step explanation:

The price with tax is 100% + 8% = 1.08 times the price before tax. The discount multplies that price by 100% -20% = 0.80. The discount multiplier is the same whether the discount is applied before or after the tax.

The combined effect of the two multipliers is ...

... 1.08 × 0.80 = 0.864

so the discounted price with tax added is 0.864 × $50 = $43.20

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Perhaps you're supposed to figure the tax (8% of $50 = $4), add the tax ($50 +4 = $54), then subtract the discount (20% of $54 = $10.80) to get

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6 0
3 years ago
Aaron deposits $8,000 into an account that earns 3% interest, compounded Annually. How much money will he have after 4 years
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The equation used for this problem is

F = P(1+i)ⁿ
where
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Thus, after 4 years, Aaron will have $9,004.07.
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