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2 years ago

Anna is going to invest in an account paying an interest rate of 5.1% compounded

Mathematics

1 answer:

Ronch [10]2 years ago

3 0

Answer:

it’s 23000

Step-by-step explanation:

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A sector with a radius of 15 cm has a central angle measure of 8π/5 what is the area of the sector

Inessa05 [86]

Answer:

area of the sector = 360π cm²

Step-by-step explanation:

To calculate the area of the sector, we will follow the steps below;

First write down the formula for calculating the area of a sector.

If angle Ф is measured in degree, then

area of sector = Ф/360 × πr²

but if angle Ф is measured in radians, then

area of sector = 1/2 × r² × Ф

In this case the angle is measured in radiance, hence we will use the second formula

From the question given, radius = 15 cm and angle Ф = 8π/5

area of sector = 1/2 × r² × Ф

=1/2 × 15² × 8π/5

=1/2 ×225 × 8π/5

=360π cm²

area of the sector = 360π cm²

8 0

3 years ago

Which is a equation of the line containing (1,-3)and(7,15)?

-BARSIC- [3]

Slope = 18/6 = 3
Y-intercept = -6
Equation: y = 3x -6

6 0

3 years ago

Which is not an equation of the line going through (3,-6) and (1, 2)?

Olegator [25]

Answer:

○ $\displaystyle y - 1 = -4(x - 2)$

Step-by-step explanation:

When you plug these coordinates into this equation, they will be confirmed as <em>false</em>.

I am joyous to assist you anytime.

3 0

3 years ago

A family is thinking about buying a new house

Rom4ik [11]

Answer:

a.) 1908.30

b.) 96373.15

c.)302491.15

unrounded answers below

Step-by-step explanation:

The amount that is to be loaned out is 380000-110000=270000

The effective montly rate is .07/12=.005833333

a.)

$270000=x(\frac{1-(1+.005833333)^{-(25*12)}}{.005833333})=1908.303833$

b.)

use what is called the prospective method (the outstanding loan balance at time n is equal to the present value of the remaining payments)

$1908.303833(\frac{1-(1+.005833333)^{-(25*12-20*12)}}{.005833333})=96373.14775$

c.)

total paid= 1908.303833*12*25=572491.1499

amount of loan: 270000

Total interest paid:

572491.1499-270000=302491.1499

3 0

2 years ago

What is the value of y?

olga_2 [115]

Answer:

Step-by-step explanation:

8 0

2 years ago