Simplify this expression | -25| x (84/21) +(-3) x (-6)

Mathematics

1 answer:

ladessa [460]3 years ago

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Mr. Velez borrowed $16,800 for 54 months at simple interest to pay for a new swimming pool. If Mr. Velez paid the bank a total o

Alex73 [517]

Answer:the simple interest rate of the loan is 13.3%

Step-by-step explanation:

The formula for determining simple interest is expressed as

I = PRT/100

Where

I represents interest paid on the loan.

P represents the principal or amount taken as loan

R represents interest rate

T represents the duration of the loan in years.

From the information given,

P = $16,800

R = ?

T = 54 months = 54/12 = 4.5 years

I = 26854.80 - 16800 = $10054.8

Therefore

10054.8 = (16800 × R × 4.5)/100

10054.8 = 756R

R = 10054/756

R = 13.3%

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3 years ago

Consider the line y=10 x -1 and the point P=(2,0). (a) Write the formula for a function d(x) that describes the distance between

LuckyWell [14K]

Answer:

the formula for a function d(x) that describes the distance is $d(x)=\sqrt{101x^{2}-24x+5}$

Step-by-step explanation:

We are going to define final point $P_{f}=(2,0)$ , and initial point $P_{i}=(x,y)=(x,10x-1)$ , then we can use $d=\sqrt{(x_{f}-x_{i})^{2}+(y_{f}-y_{i})^{2}}$ , so we obtain $d(x)=\sqrt{(2-x)^{2}+(0-(10x-1))^{2}}$ , by developing it $d(x)=\sqrt{(2-x)^{2}+(0-(10x-1))^{2}}\\d(x)=\sqrt{4-4x+x^{2}+(1-10x)^{2}}\\d(x)=\sqrt{4-4x+x^{2}+1-20x+100x^{2}}\\d(x)=\sqrt{101x^{2}-24x+5}\\$