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ivolga24 [154]
1 year ago
6

If the purchase price for a house is $309,900, what is the monthly payment if you put 20% down for a 30 year loan with a fixed r

ate of 6%? a. $729.98 b. $912.48 c. $1,486.41 d. $1,858.01 A. Not to sure, I'm not a math expert. I could be wrong.
Mathematics
1 answer:
Nookie1986 [14]1 year ago
5 0

Answer:

$1486.41.

Step-by-step explanation:

Purchase price = $309,900

Down payment percent = 20 %

Remaining amount Percentage  = 100-20 = 80%

Mortgage amount = 309900 \times 0.80

                              =247920

Formula of monthly payment : P =\frac{\frac{rM}{1 -(1 +\frac{r}{n})^-{nt}}}{n}

where P = the payment,

r = the annual rate =6% = 0.06

M = the mortgage amount = $247920

t = the number of years=30

n = the number of payments per year= 12

Substitute the values.

P =\frac{\frac{0.06 \times 247920}{1 -(1 +\frac{0.06}{12})^-{12\times 30}}}{12}

P=1486.40566196

Hence the monthly payment is $1486.41.

Thus Option C is correct.

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A rectangular pool 18 meters by 12 meters is surrounded by a walkway of width x
vesna_86 [32]

Answer:

x=3 meters

Step-by-step explanation:

step 1

Find the area of the rectangular pool

A=LW

we have

L=18\ m\\W=12\ m

substitute

A=18(12)=216\ m^2

step 2

Find the area of rectangular pool including the area of the walkway

Let

x ----> the width of the walkway

we have

L=(18+2x)\ m\\W=(12+2x)\ m

substitute

A=(18+2x)(12+2x)

step 3

Find the area of the walkway

To find out the area of the walkway subtract the area of the pool from the area of rectangular pool including the area of the walkway

so

A=(18+2x)(12+2x)-216

step 4

Find the value of x if the area of the walkway equal the area of the pool

so

(18+2x)(12+2x)-216=216

Solve for x

(18+2x)(12+2x)=432\\216+36x+24x+4x^{2}=432\\4x^{2} +60x-216=0

Solve the quadratic equation by graphing

The solution is x=3 meters

see the attached figure

8 0
2 years ago
Match each set of prices with the correct percent of increase or decrease.
cricket20 [7]
<span>Take the
(original price - new price)/original price
then multiply by 100
If it is a positive number, it is a decrease.
If it is a negative number, it is an increase.

original price: $63.00
new price: $56.07
11% decrease

</span><span>original price: $12.25
new price: $13.23
</span><span>8% increase
</span>
<span>original price: $98.00
new price: $108.78
</span>11% increase

<span>original price: $37.50
new price: $34.50
8% decrease</span>
7 0
1 year ago
You design the wooden poster frame and paint the front surface a. write a polynomial that represents the area of the wood you pa
Brilliant_brown [7]
A= 12x^{2} +60x+48 - 320 or A= 12x^{2} +60x - 272
mutiply the sides together to get a value and subtract the inside area of the frame to find the area.
Frame
&#10; 12x^{2} +60x+48
Area inside
16*20 = 320

7 0
2 years ago
Which expression is equivalent to StartRoot 128 x Superscript 8 Baseline y cubed z Superscript 9 Baseline EndRoot? Assume y grea
Nataly [62]

Answer:

Option C.

Step-by-step explanation:

The given expression is  

\sqrt{128x^8y^3z^9}

It can be written as

\sqrt{(64\cdot 2)\cdot x^8\cdot y^{2+1}\cdot z^{8+1}}

=\sqrt{8^2\cdot 2\cdot (x^4)^2\cdot y^{2}\cdot y\cdot (z^{4})^2\cdot z}

=\sqrt{(8x^4yz^4)^2\cdot 2yz}

=8x^4yz^4\sqrt{2yz}

Therefore, the correct option is C.

6 0
1 year ago
4(3+1/4c-1/2d) apply the distributive property to create a equivalent expression
Romashka-Z-Leto [24]
Answer iiiiiiis -2d+c+12

5 0
2 years ago
Read 2 more answers
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