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steposvetlana [31]
3 years ago
10

*please be serious*

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
8 0

Answer:

x intercept is 8

y intercept is 4

Step-by-step explanation:

x-intercept -> format is (x, 0)

We know that y=0, so we can substitute that in and solve for x to find the x-intercept. x-2y = x - 2(0) = x = 8. Therefore, the x-intercept is 8.

y-intercept -> format is (0, y)

We know that x=0, so we can substitute that in and solve for y to find the y-intercept. x-2y = 0 - 2y = 2y = 8 -> y =4. Therefore, the y-intercept is 4.

I hope this helps! :)

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$18, P = $200, r = ?, t = 1.5 years. Find the annual interest rate.
faust18 [17]

                                                  Question 1)

Given

Interest I = $18

Principle P = $200

t = 1.5 years

To determine

Interest rate r = ?

Using the formula

P = Irt

r=\frac{I}{Pt}

susbtituting I = 18, t = 1.5 and P = 200

r=\frac{18}{\left(200\times 1.5\right)}

r = 0.06

or

r = 6%       ∵ 0.06 × 100 = 6%

Therefore, we conclude that the interest rate required to  accumulate simple interest of $18.00  from a principal of $200 over 1.5 years is 6% per year.

                                                    Question 2)

Given

Interest I = $60

Principle P = $750

Interest rate = 4% = 0.04

To determine

Time period t = ?

Using the formula to calculate the time period

P = Irt

t\:=\:\frac{P}{Ir}

t=\frac{60}{\left(750\times 0.04\right)}

t = 2 years

Therefore, the time required to  accumulate simple interest of $ 60.00

from a principal of $ 750 at an interest rate of 4% per year  is 2 years.

7 0
3 years ago
Check all the answers that are more precise than a weight of 200 grams.
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8 0
2 years ago
Ted has a credit card that uses the average daily balance method. For the first 9 days of one of his billing cycles, his balance
slega [8]
Your question doesn't say what are the options, but we can make some reasoning.

The average daily balance method is based, obviously, on the <span>average daily balance, which is the average balance for every day of the billing cycle. Therefore, in order to calculate the average daily balance, you need to sum the balance of every day and then divide it by the days of the billing cycle.
In your case:
ADB = (9</span>×2030 + 21×1450) / 30 = 1624 $

Now, in order to calculate the interest, you should first calculate the daily rate, since APR is usually defined yearly, and therefore:
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Finally, the expression to calculate the interest could be:
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or else:
<span>interest = ADB × APR ÷ 365 × days in the billing cycle

In your case:
interest = 1624 </span>× 0.23 ÷ 365 × 30
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4 0
3 years ago
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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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