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3 years ago

7

Q: Jessica's bank is offering her a loan with a stated rate of 4.90% interest. If the interest is compounded every two months, w

hat will Jessica really pay for interest?
A: 5.00%

Please show me the steps to this answer.

1 answer:

cestrela7 [59]3 years ago

8 0

Answer:

5.00%

Step-by-step explanation:

You don't need explanation for this

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Using the illustration below, calculate the area of the circle.

Keith_Richards [23]

Find thy radius.

Thy radius is 7.25 (D / 2 = R)

Thy formula for area is A = (pi)r^2

Substitute and Solve

A = (pi)r^2
= (pi)(7.25)^2
= (pi)(52.5625)
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Therefore, the area is about 165.

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An arched drainage culvert can be modelled by the function:

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Substitute 136.5 for y.

$136.5=\frac{x(191-x)}{60}$

$8190=x(191-x)$

$8190=191x-x^{2}$

$x^{2} -191x+8190=0$

Compare this equation with $ax^{2} +bx+c=0$

a = 1, b = - 191, c = 8190

$x=\frac{-b+\sqrt{b^{2}-4ac } }{2}$ or

$x=\frac{-b-\sqrt{b^{2}-4ac } }{2}$

$x=\frac{191+\sqrt{191^{2}-4(1)(8190) } }{2}$ or

$x=\frac{191-\sqrt{191^{2}-4(1)(8190) } }{2}$

$x=\frac{191+\sqrt{36481-32760 } }{2}$ or

$x=\frac{191-\sqrt{36481-32760 } }{2}$

$x=\frac{191+\sqrt{3721 } }{2}$ or

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$x=\frac{191+61}{2}$ or

$x=\frac{191-61}{2}$

$x=\frac{252}{2}$ or

$x=\frac{130}{2}$

x = 126 or x = 65

Hence, the points on the curve are (65, 136.5) and (126, 136.5).

The width of the air space is the distance between these points.

Width = $\sqrt{(x_{2}- x_{1})^{2} +( y_{2}- y_{1}) ^{2}$

= $\sqrt{(126- 65)^{2} +(136.5-136.5) ^{2}$

= 126 - 65

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3 years ago

The mean height of the students in Marta's class is 60 in. There are 18 students in her class. Write and Solve and equation to f

Mashcka [7]

Solution: Let x be the height of a student in Marta's class.

The mean height of 18 students in Marta's class is 60 inches

We know that:

$Mean = \frac{\sum x_{i}}{n}$

$60 = \frac{\sum x_{i}}{18}$

$60 \times 18 = \sum x_{i}$

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3 years ago

What is the real value of x in the equation:<br> log^24-log23=log5x

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Answer:

The answer is 125. X= 125 solve it and you get x=125. Have a great day

Step-by-step explanation:

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9(10 + 3.99) =
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