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3 years ago

What is 3/5 divided by -1/5

Mathematics

2 answers:

love history [14]3 years ago

7 0

-0.12 i think............

Aleks04 [339]3 years ago

4 0

Answer:

-0.12

Step-by-step explanation:

(3/5) / (-1/5) = -0.12

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Which second degree polynomial function f(x) has a lead coefficient of 3 and roots 4 and 1?

9966 [12]

For this case we have that the following function complies with the given conditions:

$f (x) = 3x ^ 2 - 15x + 12$

To prove it, let's find the roots of the polynomial:

$3x ^ 2 - 15x + 12 = 0$

By doing common factor 3 we have:

$3 (x ^ 2 - 5x + 4) = 0$

Factoring the second degree polynomial we have:

$3 (x-1) (x-4) = 0$

Then, the solutions are:

Solution 1:

$x-1 = 0\\x = 1$

Solution 2:

$x-4 = 0\\x = 4$

Answer:

A second degree polynomial function f (x) that has a lead coefficient of 3 and roots 4 and 1 is:

$f (x) = 3x ^ 2 - 15x + 12$

5 0

3 years ago

Read 2 more answers

A rectangle is made up of 3 squares, and the perimeter of the whole figure is 88cm. Find the area of the rectangle.

tatuchka [14]

11*33

The area is 363cm squared, and the dimensions are 11 x 33

5 0

3 years ago

What is the answer? (Picture below)

laila [671]

Answer:

3 3/5

Step-by-step explanation:

multiply

5 0

3 years ago

Read 2 more answers

Solve and explain please

Ann [662]

Answer:

j= -9, -2

Step-by-step explanation:

(j+9)(j+2)

j=-9, -2

3 0

3 years ago

Read 2 more answers

Victor earns a gross annual income of $64,570 and is buying a home for $125,340. He is making a 15% down payment and financing t

Oliga [24]

Part A:

Given that Victor is buying a home for $125,340 and that he is making a 15% down payment.

The amount of down payment is given by 15% of $125,340 = 0.15 x $125,340 = $18,801.

Therefore, the amount of mortgage he needs to borrow is given by $125,340 - $18,801 = $106,539

Part B

Given that he earns a gross annual income of $64,570 and that the loan of $106,539 will be spread for 20 years at 3.75% interest.

$106,539 / 20 = $5,326.95

Roughly he will be paying about $5,000 every year which is way below his annual gross income.

Therefore, he can afford the mortgage.

Part C

The monthly mortgage payment can be calculated using the present value of annuity formula given by

 $PV=P\left( \frac{1-\left(1+\left( \frac{r}{t} \right)\right)^{-nt}}{ \frac{r}{t} } \right)$

where: PV is the current value of the loan, P is the periodic (monthly) payment, r is the annual interest rate, t is the number of payment in one year and n is the number of years.

Here, PV = $106,539; r = 3.75% = 0.0375; t is 12 payments in one year (since payment is to be made monthly); n = 20 years.

Thus, we have:

$106,539=P\left( \frac{1-\left(1+\left( \frac{0.0375}{12} \right)\right)^{-20\times12}}{ \frac{0.0375}{12} } \right) \\ \\ =P\left( \frac{1-\left(1+0.003125\right)^{-240}}{0.003125} \right)=P\left( \frac{1-\left(1.003125\right)^{-240}}{0.003125} \right) \\ \\ =P\left( \frac{1-0.472919}{0.003125} \right)=P\left( \frac{0.527081}{0.003125} \right)=168.666P \\ \\ \Rightarrow P= \frac{106,539}{168.666} =631.66$

Therefore, the monthly mortgage payment is $631.66

Part D

Since he will make a monthly payment of $631.66 for 20 years, thus he will make a total of $631.66 x 12 x 20 = $151,598.40

Therefore, his total payment for the house will be $151,598.40

Part E

Since he will make a total payment of $151,598.40 for a mortgage loan of $106,539.

Therefore, the amount of interest he will pay is given by $151,598.40 - $106,539 = $45,059.40

7 0

3 years ago